Page 1 EurotestXD MI 3155 Instruction manual Version 1.12.14, Code no. 20 752 714...
Page 2 It is the user’s responsibility to ensure the integrity and security of the data carrier and to regularly backup and validate the integrity of backups of the data. METREL HAS NO OBLIGATION OR LIABILITY FOR ANY LOSS, ALTERATION, DESTRUCTION, DAMAGE, CORRUPTION OR RECOVERY OF USER DATA, REGARDLESS OF WHERE THE DATA IS STORED.
Page 3 Please note that LCD screenshots in this document may differ from the actual instrument screens in details due to firmware variations and modifications.  Metrel reserve the right to make technical modifications without notice as part of the further development of the product.
Page 4: Table Of Contents
MI 3155 EurotestXD Table of Contents Table of Contents General description ......................9 Warnings and notes ....................9 1.1.1 Safety warnings ....................... 9 1.1.2 Markings on the instrument ................... 10 1.1.3 Warnings related to safety of batteries ..............10 1.1.4 Warnings related to safety of measurement functions ........... 10 1.1.5 Notes related to measurement functions ...............
Page 5 MI 3155 EurotestXD Table of Contents 4.8.1 Workspaces and Exports ..................52 4.8.2 Workspace Manager main menu ................52 4.8.3 Operations with Workspaces ................. 53 4.8.4 Operations with Exports ..................53 4.8.5 Adding a new Workspace ..................54 4.8.6 Opening a Workspace ................... 54 4.8.7 Deleting a Workspace / Export ................
Page 6 MI 3155 EurotestXD Table of Contents Z loop m – High precision fault loop impedance and prospective fault current ..138 7.14 Z line – Line impedance and prospective short-circuit current ......... 141 7.15 Z line 4W – Line impedance and prospective short-circuit current ......144 7.16 Z line m...
Page 7 MI 3155 EurotestXD Table of Contents Upgrading the instrument .................... 221 Maintenance ........................222 11.1 Fuse replacement ....................222 11.2 Battery pack insertion / replacement ............... 223 11.3 Cleaning ........................224 11.4 Periodic calibration ....................224 11.5 Service ........................224 Technical specifications ....................
Page 8 Default list of Auto Sequences .............. 252  Appendix E Programming of Auto Sequences on Metrel ES Manager......253 Auto Sequence® Editor workspace ................. 253 Managing groups of Auto Sequences ..............254 Auto Sequence® Name, Description and Image editing .......... 257 Search within selected Auto Sequence®...
Page 9: General Description
MI 3155 EurotestXD General description 1 General description 1.1 Warnings and notes Read before use 1.1.1 Safety warnings In order to reach high level of operator safety while carrying out various measurements using the EurotestXD instrument, as well as to keep the test equipment undamaged, it is necessary to consider the following general warnings: ...
Page 10: Markings On The Instrument
MI 3155 EurotestXD General description  Hazardous voltages exist inside the instrument. Disconnect all test leads, remove the power supply cable and switch off the instrument before removing battery /fuse compartment cover.  Do not connect any voltage source on C1 inputs. It is intended only for connection of current clamps.
Page 11: Notes Related To Measurement Functions
MI 3155 EurotestXD General description 1.1.5 Notes related to measurement functions Insulation resistance (R iso, R iso – all)  The measuring range is decreased if using Tip commander A 1401.  If a voltage of higher than 30 V (AC or DC) is detected between test terminals, the measurement will not be performed.
Page 12 MI 3155 EurotestXD General description and protective conductor – this can cause misunderstanding, because PRCD reacts at half the tripping fault current. In order to prevent this, use parameter Sensitivity set to 'Ipe monitoring', where test current will be a half of selected nominal tripping current. ...
Page 13 METREL assumes no responsibility for any Auto Sequence® by any means. It is the user’s responsibility, to check adequacy for the purpose of use of the selected Auto Sequence®.
Page 14: Testing Potential On Pe Terminal
MI 3155 EurotestXD General description 1.2 Testing potential on PE terminal In certain instance faults on the installation's PE wire or any other accessible metal bonding parts can become exposed to live voltage. This is a very dangerous situation since the parts connected to the earthing system are considered to be free of potential.
Page 15: Battery And Charging Of Li-Ion Battery Pack
MI 3155 EurotestXD General description Auto Sequences®. Notes:  PE test terminal is active in the Voltage, Rpe, RCD tests, Z loop, Zs rcd, Z auto, Z line, ΔU, AUTO TT, AUTO TN, AUTO TN (rcd), AUTO IT measurements and Auto Sequences...
Page 16: Precharge
MI 3155 EurotestXD General description Battery and charging characteristic Typical Battery types 18650T22A2S2P 18650T22A2S4P (optional) Charging mode CC / CV Nominal voltage 7,2 V 4400 mAh (type: 18650T22A2S2P) Rated capacity 8800 mAh (type: 18650T22A2S4P) Max charging voltage 8,0 V Max charging current 2,2 A (type: 18650T22A2S2P) 3,0 A (type: 18650T22A2S4P) Max discharge current...
Page 17 MI 3155 EurotestXD General description battery. If the V threshold is not reached within 30 minutes of initiating precharge, the LOWV charger turns off and a FAULT is indicated. Figure 1.7: Battery fault indication Figure 1.8: Battery full indication (charging suspended, timer fault, battery (charging completed) absent) Note:...
Page 18: Li - Ion Battery Pack Guidelines
MI 3155 EurotestXD General description 1.3.2 Li – ion battery pack guidelines Li – ion rechargeable battery pack requires routine maintenance and care in their use and handling. Read and follow the guidelines in this Instruction manual to safely use Li – ion battery pack and achieve the maximum battery life cycles.
Page 19: Standards Applied
MI 3155 EurotestXD General description 1.4 Standards applied The EurotestXD instruments are manufactured and tested in accordance with the following regulations: Electromagnetic compatibility (EMC) BS EN 61326-1 Electrical equipment for measurement, control and laboratory use – EMC requirements – Part 1: General requirements BS EN 61326-2-2 Electrical equipment for measurement, control and laboratory use - EMC requirements –...
Page 20 MI 3155 EurotestXD General description BS IEC 62955 Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicles Li – ion battery pack BS EN 62133-2 Secondary cells and batteries containing alkaline or other non-acid electrolytes –...
Page 21: Instrument Set And Accessories
Li-ion battery pack, 7.2 V, 4400 mAh (Type: 18650T22A2S2P)  Power supply adapter 12 V, 3 A (Type: CGSW-1203000)  CD includes: PC software Metrel ES Manager Instruction manual “Guide for testing and verification of low voltage installations” handbook ...
Page 22: Instrument Description
MI 3155 EurotestXD Instrument description 3 Instrument description 3.1 Front panel Figure 3.1: Front panel 4,3“ COLOR TFT DISPLAY WITH TOUCH SCREEN SAVE key Stores actual measurement result(s) CURSOR keys Navigate in menus RUN key Start / stop selected measurement. Enter selected menu or option.
Page 23: Connector Panel
MI 3155 EurotestXD Instrument description 3.2 Connector panel Figure 3.2: Connector panel Test connector L/L1 pin – In 4-wire measurements used as a current probe C1. N/L2 pin – In 4-wire measurements used as a current probe C2. PE/L3 pin – In 4-wire measurements used as a voltage probe P2. S pin –...
Page 24: Back Side
MI 3155 EurotestXD Instrument description 3.3 Back side Figure 3.3: Back view Battery / fuse compartment cover Fixing screws for battery / fuse compartment cover Back panel information label Figure 3.4: Battery and fuse compartment Type: 18650T22A2S2P Li-ion battery pack Type: 18650T22A2S4P (optional) Fuse F1 M 315 mA / 250 V...
Page 25 MI 3155 EurotestXD Instrument description SD card slot Figure 3.5: Bottom view Neck belt openings Stand for desktop use Bottom information label Serial number label...
Page 26: Carrying The Instrument
MI 3155 EurotestXD Instrument description 3.4 Carrying the instrument With the neck-carrying belt supplied in standard set, various possibilities of carrying the instrument are available. Operator can choose appropriate one on basis of his operation, see the following examples: The instrument hangs around operator’s neck only –...
Page 27 MI 3155 EurotestXD Instrument description Figure 3.7: Alternative method Please perform a periodical check of the attachment.
Page 28: Instrument Operation
MI 3155 EurotestXD Instrument operation 4 Instrument operation The EurotestXD instrument can be manipulated via a keypad or touch screen. 4.1 General meaning of keys Cursor keys are used to:  select appropriate option. Run key is used to:  confirm selected option;...
Page 29: General Meaning Of Touch Gestures
MI 3155 EurotestXD Instrument operation 4.2 General meaning of touch gestures Tap (briefly touch surface with fingertip) is used to:  select appropriate option;  confirm selected option;  start and stop measurements. Swipe (press, move, lift) up / down is used to: ...
Page 30: Virtual Keyboard
MI 3155 EurotestXD Instrument operation 4.3 Virtual keyboard Figure 4.1: Virtual keyboard Toggle case between lowercase and uppercase. Active only when alphabetic characters keyboard layout selected. Backspace Clears last character or all characters if selected. (If held for 2 s, all characters are selected). Enter confirms new text.
Page 31: Display And Sound
MI 3155 EurotestXD Instrument operation 4.4 Display and sound 4.4.1 Terminal voltage monitor The terminal voltage monitor displays on-line the voltages on the test terminals and information about active test terminals in the a.c. installation measuring mode. Online voltages are displayed together with test terminal indication. All three test terminals are used for selected measurement.
Page 32: Battery Indication
MI 3155 EurotestXD Instrument operation 4.4.2 Battery indication The battery indication indicates the charge condition of battery and connection of external power supply adapter. Battery capacity indication. Battery is in good condition. Battery is full. Low battery. Battery is too weak to guarantee correct result. Replace or recharge the battery cells. Empty battery or no battery.
Page 33 MI 3155 EurotestXD Instrument operation Use A 1199 Specific earth resistance adapter for this test. Use MI 3143 Euro Z 440 V, MI 3144 Euro Z 800 V or A 1143 Euro Z 290 A adapter for this test. Use A 1172 or A 1173 Illumination sensor for this test. A 1507 3-Phase Active Switch not connected to the instrument.
Page 34: Result Indication
MI 3155 EurotestXD Instrument operation High resistance to earth of potential test probes. Results may be impaired. High resistance to earth of potential and current test probes. Results may be impaired. Too small current for declared accuracy. Results may be impaired. Check in Current Clamp Settings if sensitivity of current clamp can be increased.
Page 35 MI 3155 EurotestXD Instrument operation Measurement result is inside pre-set limits (PASS). Measurement result is out of pre-set limits (FAIL). Measurement result without PASS / FAIL indication. Measurement not performed.
Page 36: Instruments Main Menu
MI 3155 EurotestXD Instrument operation 4.5 Instruments main menu From the Main menu different main operation menus can be selected. Figure 4.2: Main menu Options Single Tests Menu with single tests, see chapter 6 Single tests. Auto Sequences Menu with customized test sequences, see chapter 8 Auto Sequences®.
Page 37: General Settings
MI 3155 EurotestXD Instrument operation 4.6 General Settings In the General settings menu general parameters and settings of the instrument can be viewed or set. Figure 4.3: General settings menu Options Language Instrument language selection. Power Save Brightness of LCD, enabling/disabling Bluetooth communication. Date /Time Instruments Date and time.
Page 38: Language
MI 3155 EurotestXD Instrument operation Bluetooth initialization Reset Bluetooth settings. Initial Settings Factory settings. About Instrument info. 4.6.1 Language In this menu the language of the instrument can be set. Figure 4.4: Language menu 4.6.2 Power Save In this menu different options for decreasing power consumption can be set. Figure 4.5: Power save menu Brightness Setting level of LCD brightness level.
Page 39: Date And Time
MI 3155 EurotestXD Instrument operation 4.6.3 Date and time In this menu date and time of the instrument can be set. Figure 4.6: Setting date and time Note: If the batteries are removed, the set date and time will be lost. ...
Page 40 MI 3155 EurotestXD Instrument operation Figure 4.7: Sign in menu Options User signing in The user should be selected first. The last used user is displayed in the first row. Sign in with selected user name. Enter the password and confirm. The user password consists of an up to 4-digit number.
Page 41 MI 3155 EurotestXD Instrument operation 4.6.6.2 Changing user password, signing out Figure 4.8: User profile menu Options Signs out the set user. Enters procedure for changing the user’s password. The user can change its password. The actual password must be entered first followed by the new password.
Page 42 MI 3155 EurotestXD Instrument operation The account manager password must be entered and confirmed first. The default password is ADMIN. Field for setting if signing in is required to work with the instrument. Field for setting if signing is required once or at each power on of the instrument.
Page 43 MI 3155 EurotestXD Instrument operation In the Add New window, the name and initial password of the new user account are to be set. ‘Add’ confirms the new user data. Changes password of the selected user account. Deletes all user accounts. Deletes the selected user account.
Page 44: Profiles
MI 3155 EurotestXD Instrument operation Blackbox password is changed. 4.6.7 Profiles Refer to chapter 4.7 Instrument profiles for more information. 4.6.8 Settings In this menu different general parameters can be set. Figure 4.11: Settings menu Available selection Description Touch screen [ON, OFF] Enables / disables operation with touch screen.
Page 45 MI 3155 EurotestXD Instrument operation Available selection Description [EN 61008 / EN 61009, RCD Standard Used standards for RCD tests. Refer to the IEC 60364-4-41 TN/IT, end of this chapter for more information. IEC 60364-4-41 TT, BS 7671, AS/NZS 3017, VDE 0664, VDE 0100-410 TN/IT, VDE 0100-410 TT]...
Page 46: Rcd Standard
Contact voltage limit. 50 V] 4.6.8.1 Adapters Settings menu provide selection and configuration of Metrel measuring adapters to perform supported tests and measurements. See Appendix F for details on available Metrel adapters and supported tests. Available selection Description Adapter type [none, selected adapter] Selection from list of available adapters.
Page 47 MI 3155 EurotestXD Instrument operation General RCDs > 1999 ms < 300 ms < 150 ms < 40 ms     (non-delayed) Selective RCDs > 1999 ms 130 ms < t < 500 ms 60 ms < t <...
Page 48 MI 3155 EurotestXD Instrument operation 4.6.8.3 EV RCD/RCM standards Supported standards: IEC 62752:2016 In-cable control and protection device for mode 2 charging of electric road vehicles (IC-CPD) IEC 62955:2018 Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicles 6 mA 60 mA...
Page 49: Devices
MI 3155 EurotestXD Instrument operation 4.6.9 Devices In this menu operation with external devices is configured. Figure 4.12: Device settings menu Reading devices Type Sets appropriate reading device (QR or barcode scanner, RFID reader, via aMESM application). Port Sets communication port of selected reading device. Bluetooth device Goes to menu for pairing with selected Bluetooth device.
Page 50: About
MI 3155 EurotestXD Instrument operation Figure 4.14: Initial settings menu Warning! Following customized settings will be lost when setting the instruments to initial settings:  measurement limits and parameters,  global parameters, system settings, and Devices in General settings menu, ...
Page 51: Instrument Profiles
MI 3155 EurotestXD Instrument operation 4.7 Instrument profiles In this menu the instrument profile can be selected from the available ones. Figure 4.16: Instrument profiles menu The instrument uses different specific system and measuring settings in regard to the scope of work or country it is used.
Page 52: Workspace Manager
Workspaces are stored on SD card on directory WORKSPACES, while Exports are stored on directory EXPORTS. Export files can be read by METREL applications that run on other devices. Exports are suitable for making backups of important works. To work on the instrument an Export should be imported first from the list of Exports and converted to a Workspace.
Page 53: Operations With Workspaces
MI 3155 EurotestXD Instrument operation 4.8.3 Operations with Workspaces Only one Workspace can be opened in the instrument at the same time. The Workspace selected in the Workspace Manager will be opened in the Memory Organizer. Figure 4.18: Workspaces menu Options Marks the opened Workspace in Memory Organizer.
Page 54: Adding A New Workspace
MI 3155 EurotestXD Instrument operation 4.8.5 Adding a new Workspace Procedure  New Workspaces can be added from the Workspace Manager screen.  Enters option for adding a new Workspace. Keypad for entering name of a new Workspace is displayed after selecting New. ...
Page 55: Deleting A Workspace / Export
MI 3155 EurotestXD Instrument operation The opened Workspace is marked with a blue dot. The previously opened Workspace will close automatically. 4.8.7 Deleting a Workspace / Export Procedure  Workspace / Export to be deleted should be selected from the list of Workspaces / Exports.
Page 56: Exporting A Workspace
MI 3155 EurotestXD Instrument operation  Enters option Import. Before the import of the selected Export file the user is asked for confirmation.  The imported Export file is added to the list of Workspaces. Note: If a Workspace with the same name already exists the name of the imported Workspace will be changed (name_001, name_002, name_003, …).
Page 57 MI 3155 EurotestXD Instrument operation...
Page 58: Auto Sequence® Groups
MI 3155 EurotestXD Instrument operation 4.9 Auto Sequence® groups The Auto Sequences® in MI 3155 EurotestXD can be organized by using lists. In a list a group of similar Auto Sequences® is stored. The Auto Sequence® groups menu is intended to manage with different lists of Auto Sequences®...
Page 59 MI 3155 EurotestXD Instrument operation 4.9.1.1 Selecting a list of Auto Sequences Procedure  A list of Auto Sequences can be selected from the Auto Sequence groups menu.  Enters option for selecting active Auto Sequences list. Selected list of Auto Sequences is marked with a blue dot.
Page 60: Memory Organizer
MI 3155 EurotestXD Memory Organizer 5 Memory Organizer Memory Organizer is a tool for storing and working with test data. 5.1 Memory Organizer menu The data is organized in a tree structure with Structure objects and Measurements. EurotestXD instrument has a multi-level structure. The hierarchy of Structure objects in the tree is shown on Figure 5.1.
Page 61: Structure Objects
MI 3155 EurotestXD Memory Organizer empty single test without test results Overall statuses of Auto Sequence At least one single test in the Auto Sequence passed and no single test failed At least one single test in the Auto Sequence failed. At least one single test in the Auto Sequence...
Page 62 MI 3155 EurotestXD Memory Organizer 5.1.2.1 Measurement status indication under the Structure object Overall status of measurements under each structure element /sub-element can be seen without spreading tree menu. This feature is useful for quick evaluation of test status and as guidance for measurements.
Page 63: Selecting An Active Workspace In Memory Organizer
MI 3155 EurotestXD Memory Organizer 5.1.3 Selecting an active Workspace in Memory Organizer Memory Organizer and Workspace Manager are interconnected so an active Workspace can be selected also in the Memory Organizer menu. Procedure Press the active Workspace in Memory ...
Page 64: Adding Nodes In Memory Organizer
MI 3155 EurotestXD Memory Organizer 5.1.4 Adding Nodes in Memory Organizer Structural Elements (Nodes) are used to ease organization of data in the Memory Organizer. One Node is a must; others are optional and can be created or deleted freely. Procedure Press the active Workspace in Memory ...
Page 65: Operations In Tree Menu
MI 3155 EurotestXD Memory Organizer 5.1.5 Operations in Tree menu In the Memory organizer different actions can be taken with help of the control panel at the right side of the display. Possible actions depend on the selected element in the organizer. 5.1.5.1 Operations on measurements (finished or empty measurements) Figure 5.4: A measurement is selected in the Tree menu Options...
Page 66 MI 3155 EurotestXD Memory Organizer 5.1.5.2 Operations on Structure objects The structure object must be selected first. Figure 5.5: A structure object is selected in the Tree menu Options Starts a new measurement. Type of measurement (Single test or Auto Sequence) should be selected first. After proper type is selected, the instrument goes to Single Test or Auto Sequence...
Page 67 MI 3155 EurotestXD Memory Organizer opens keypad for entering a new comment. Deletes a Structure object. Selected Structure object and sub-elements can be deleted. User is asked for confirmation before the deleting. Refer to chapter 5.1.5.13 Delete a Structure object for more information. Renames a Structure object.
Page 68 MI 3155 EurotestXD Memory Organizer 5.1.5.3 View / Edit parameters and attachments of a Structure object The parameters and their content are displayed in this menu. To edit the selected parameter, tap on it or press the key to enter menu for editing parameters. Procedure ...
Page 69 MI 3155 EurotestXD Memory Organizer  Attachments The name of attachment can be seen. Operation with attachments is not supported in the instrument.  Select Comments in Control panel.  View or edit comments Complete comment (if exists) attached to the structure object can be seen on this screen.
Page 70 MI 3155 EurotestXD Memory Organizer  Custom list view.  Select focused value from Custom list.  Edit Custom list.  Custom list Edit options.  Add new value to the Custom list.  Edit selected Custom list value.  Delete selected Custom list value.
Page 71 MI 3155 EurotestXD Memory Organizer 5.1.5.5 Add a new Structure Object This menu is intended to add new structure objects in the tree menu. A new structure object can be selected and then added in the tree menu. Procedure  Default initial structure.
Page 72 MI 3155 EurotestXD Memory Organizer  Create new structure item.  New object added. 5.1.5.6 Add a new measurement In this menu new empty measurements can be set and then added in the structure tree. The type of measurement, measurement function and its parameters are first selected and then added under the selected Structure object.
Page 73 MI 3155 EurotestXD Memory Organizer To select another measurement tap on filed press the to open menu for selecting measurements.  Select parameter and modify it as described earlier. Refer to chapter 6.1.2 Setting parameters, limits and comments of single tests for more information.
Page 74 MI 3155 EurotestXD Memory Organizer 5.1.5.7 Clone a Structure object In this menu selected structure object can be copied (cloned) to same level in the structure tree. Cloned structure object has the same name as the original. Procedure  Select the structure object to be cloned. ...
Page 75 MI 3155 EurotestXD Memory Organizer 5.1.5.8 Clone a measurement By using this function, a selected empty or finished measurement can be copied (cloned) as an empty measurement to the same level in the structure tree. Parameters and limits of new measurement are the same as they are set in original measurement.
Page 76 MI 3155 EurotestXD Memory Organizer  Select location where structure element should be copied.  Select Paste in Control panel.  The Paste structure object menu is displayed. Before copying it can be set which sub- elements of the selected structure object will be copied too.
Page 77 MI 3155 EurotestXD Memory Organizer 5.1.5.11 Copy & Paste a measurement In this menu selected measurement can be copied as an empty measurement to any allowed location in the structure tree. Selected measurement can be copied multiple times to different locations in the structure tree.
Page 78 MI 3155 EurotestXD Memory Organizer 5.1.5.12 Cut & Paste a Structure object with sub-items In this menu selected Structure object with sub-items (sub-structures and measurements) can be cut and pasted (moved) to any allowed location in the structure tree. Procedure ...
Page 79 MI 3155 EurotestXD Memory Organizer 5.1.5.13 Delete a Structure object In this menu selected Structure object can be deleted. Procedure  Select the structure object to be deleted.  Select Delete in Control panel.  A confirmation window will appear. Selected structure object and its sub- elements are removed.
Page 80 MI 3155 EurotestXD Memory Organizer  A confirmation window will appear. Selected measurement is deleted. Returns to the tree menu without changes.  Structure without deleted measurement. 5.1.5.15 Rename a Structure object In this menu selected Structure object can be renamed. Procedure ...
Page 81 MI 3155 EurotestXD Memory Organizer 5.1.5.16 Recall and Retest selected measurement Procedure  Select the measurement to be recalled.  Select Recall results in Control panel.  Measurement is recalled.  Parameters and limits can be viewed but cannot be edited. ...
Page 82 MI 3155 EurotestXD Memory Organizer  Results / sub-results after re-run of recalled measurement.  Select Save results in Control panel. Retested measurement is saved under same structure object as original one. Refreshed memory structure with the new performed measurement.
Page 83: Searching In Memory Organizer
MI 3155 EurotestXD Memory Organizer 5.1.6 Searching in Memory Organizer In Memory organizer it is possible to search for different structure objects and parameters. Search function is available from the active workspace directory line as presented on Figure 5.7. Figure 5.7: Active workspace directory with expanded menu Procedure ...
Page 84 MI 3155 EurotestXD Memory Organizer  The search can be narrowed on base of statuses. If searching by status, instrument will display all structure objects that include one or more measurements with searched status.  The search can be narrowed on base of test dates / retest dates (from / to).
Page 85 MI 3155 EurotestXD Memory Organizer Attachments. Name and link of attachment is displayed. Views comment. The instrument displays comment attached to the selected Structure object. Renames the selected Structure object. Refer to chapter 5.1.5.15 Rename a Structure object for more information. Note: ...
Page 86: Single Tests
MI 3155 EurotestXD Single tests 6 Single tests Single tests can be selected in the main Single tests menu or in Memory organizer main menu and sub-menus. 6.1 Selection modes In Single test main menu four modes for selecting single tests are available. Options Area Group With help of area groups it is possible to limit...
Page 87 MI 3155 EurotestXD Single tests Cross selector This selection mode is the fastest for working with the keypad. Groups of single tests are organized in a row. For the selected group all single tests are displayed and easy accessible with up /down keys.
Page 88: Single Test (Measurement) Screens
MI 3155 EurotestXD Single tests 6.1.1 Single test (measurement) screens In the Single test (measurement) screens measuring results, sub-results, limits and parameters of the measurement are displayed. In addition, on-line statuses, warnings and other info are displayed. Figure 6.1: Single test screen organization, example of insulation resistance measurement Single test screen organization Header line:...
Page 89: Setting Parameters, Limits And Comments Of Single Tests
MI 3155 EurotestXD Single tests 6.1.2 Setting parameters, limits and comments of single tests Procedure  Select the test or measurement. The test can be entered from:  Single tests menu or  Memory organizer menu once the empty measurement was created in selected object structure.
Page 90: Single Test Start Screen
MI 3155 EurotestXD Single tests  Select parameter or limit value from the list. Note: Touchscreen or keyboard selection  methods can be used interchangeably; confirm keyboard selection with  Enter comment and confirm with  Accepts and set selected parameters, selected limit values and user comments and exits Single Test setting.
Page 91: Single Test Screen During Test
MI 3155 EurotestXD Single tests and comments of single tests for more information. Enters cross selector to select test or measurement. long on Expands column in control panel. 6.1.4 Single test screen during test Figure 6.3: Single test is running, example of insulation resistance continuous measurement Operations (when test is running): Stops the single test measurement.
Page 92: Single Test Result Screen
MI 3155 EurotestXD Single tests 6.1.5 Single test result screen Figure 6.4: Single test results screen, example of insulation resistance measurement results Options (after measurement is finished): Starts a new measurement. Starts a new continuous measurement (if long applicable on selected single test). long Saves the result.
Page 93: Editing Graphs (Harmonics)
MI 3155 EurotestXD Single tests the selected Structure object. Opens screen for changing parameters and limits. Refer to chapter 6.1.2 Setting parameters, limits and comments of single tests for more information. Adds comment to the measurement. The instrument opens keypad for entering a comment. Opens help screens.
Page 94: Single Test (Inspection) Screens
MI 3155 EurotestXD Single tests Exits from editing graphs. 6.1.7 Single test (inspection) screens Visual and Functional inspections can be treated as a special class of tests. Items to be visually or functionally checked are displayed. In addition on-line statuses and other information are displayed.
Page 95 MI 3155 EurotestXD Single tests Figure 6.7: Inspection start screen Options (inspection screen was opened in Memory organizer or from Single test main menu) Starts the inspection. Opens help screens. Refer to chapter 6.1.8 Help screens for more information. 6.1.7.2 Single test (Inspection) screen during test Figure 6.8: Inspection screen (during inspection) Options (during test) Selects item.
Page 96 MI 3155 EurotestXD Single tests A status can be applied Multiple taps toggles between statuses. Toggle between statuses. Goes to the result screen. Rules for automatic applying of statuses:  The parent item(s) can automatically get a status on base of statuses in child items. the fail status has highest priority.
Page 97 MI 3155 EurotestXD Single tests its status from ‘empty’ to ‘finished’. An already carried out inspection was selected in structure tree, viewed and then restarted: A new measurement will be saved under the selected Structure object.  Adds comment to the finished inspection. The instrument opens keypad for entering a comment.
Page 98: Help Screens
MI 3155 EurotestXD Single tests 6.1.7.4 Single test (inspection) memory screen Figure 6.10: Inspection memory screen Options Retest Enters screen with ‘empty’ measurement. Enters view mode. 6.1.8 Help screens Help screens contain diagrams for proper connection of the instrument. Figure 6.11: Examples of help screens Options Opens help screen.
Page 99: Recall Single Test Results Screen
MI 3155 EurotestXD Single tests Back to test / measurement menu. 6.1.9 Recall single test results screen Figure 6.12: Recalled results of selected measurement, example of insulation resistance recalled results Options Retest Enters starting screen for a new measurement. Refer to chapter 6.1.3 Single test start screen for more information.
Page 100: Tests And Measurements
MI 3155 EurotestXD Tests and measurements 7 Tests and measurements See chapter 6.1 Selection modes for instructions on keys and touch screen functionality. 7.1 Voltage, frequency and phase sequence Figure 7.1: Voltage measurement menu Measurement parameters System Voltage system [-, 1-phase,3-phase] Test Phase to be tested [-, L1, L2, L3] Limit type...
Page 101 MI 3155 EurotestXD Test and measurements In case of 1-phase voltage system and limit type set to voltage. In case of 1-phase voltage system and limit type se to %. In case of 3-phase voltage system and limit type set to voltage. In case of 3-phase voltage system and limit type set to %.
Page 102 MI 3155 EurotestXD Test and measurements Measurement procedure  Enter the Voltage function.  Set test parameters / limits.  Connect test cable to the instrument.  Connect test leads to object under test (see Figure 7.2 and Figure 7.3). ...
Page 103: R Iso - Insulation Resistance
MI 3155 EurotestXD Test and measurements Voltage between phases L1 and L3 Voltage between phases L2 and L3 Freq Frequency Field 3-phase rotation sequence For Pass test result, Field result must be equal to setting of Reference field parameter (1.2.3 or 3.2.1). 7.2 R iso –...
Page 104 MI 3155 EurotestXD Test and measurements ≤ 1 kV) Figure 7.7: Connections of 3-wire test lead and Tip commander (U Figure 7.8: Connection of 2.5 kV test lead (U =2.5 kV) Measurement procedure  Enter the R iso function.  Set test parameters / limits. ...
Page 105: Load Pretest
MI 3155 EurotestXD Test and measurements ≤ 1000 V and Different test cable must be used for testing with nominal test voltage U = 2500 V. Also, different test terminals are used. The standard 3-wire test lead, Plug test cable or Tip commander can be used for the insulation test with nominal test voltages ≤...
Page 106: R Iso All - Insulation Resistance
MI 3155 EurotestXD Test and measurements × ............not applicable Table 7.2: Insulation resistance measuring terminals and Load pretest dependency Figure 7.10: Load pretest warning message 7.3 R iso all – Insulation resistance Figure 7.11: R iso - all measurement menu Measurement parameters / limits Uiso Nominal test voltage [50 V, 100 V, 250 V, 500 V, 1000 V]...
Page 107 MI 3155 EurotestXD Test and measurements  Enter the R iso - all function.  Set test parameters / limits.  Disconnect tested installation from mains supply and discharge installation as required.  Connect test cable to the instrument.  Connect test leads to object under test (see Figure 7.12). The standard 3-wire test lead, Plug test cable or Tip commander can be used.
Page 108: The Dar And Pi Diagnostic
�� = ( 1 �� ) �� For additional information regarding PI and DAR diagnostic, please refer to Metrel’s handbook Modern insulation testing. Figure 7.14: Diagnostic test menu Measurement parameters / limits Uiso Nominal test voltage [500 V, 1000 V, 2500 V] Connection diagrams ≤...
Page 109 MI 3155 EurotestXD Test and measurements Figure 7.16: Connection of 2.5 kV test lead (U = 2.5 kV) Measurement procedure  Enter the Diagnostic test function.  Set test parameters / limits.  Disconnect tested installation from mains supply and discharge installation as required. ...
Page 110: Varistor Test
MI 3155 EurotestXD Test and measurements Polarization index 7.5 Varistor test Measuring principle A voltage ramp starts from 50 V and rises with a slope of 100 V/s (Range parameter set to 1000 V) or 350 V/s (Range parameter set to 2500 V). The measurement ends when the defined end voltage is reached or if the test current exceeds the value of 1 mA.
Page 111 MI 3155 EurotestXD Test and measurements Figure 7.20: Connection of 2.5 kV test lead ( Range: 2500 V) Measurement procedure  Enter the Varistor test function.  Set test parameters / limits.  Connect test cable to the instrument.  Connect test leads to object under test (see Figure 7.19 and Figure 7.20).
Page 112: R Low - Resistance Of Earth Connection And Equipotential Bonding
MI 3155 EurotestXD Test and measurements �� ≈ 1.15 × √2 Uac voltage may be directly compared with the voltage declared on tested protection device. 7.6 R low – Resistance of earth connection and equipotential bonding Figure 7.22: R low measurement menu Measurement parameters / limits Output [LPE, LN, r1, rn, r2, R1+R2, R2, R1+RN]...
Page 113 MI 3155 EurotestXD Test and measurements Connection diagram, Output: [r1, rn, r2, R1+R2, R2, R1+RN] R1+RN R1+R2 Figure 7.24: Testing r1, rn, r2, R1+RN and R1+R2 sections of the wiring in ring final circuits R1+R2...
Page 114 MI 3155 EurotestXD Test and measurements R1+RN Figure 7.25: Testing R2, R1+R2 and R1+RN sections of the wiring in radial final circuits Measurement procedure  Enter the R low function.  Set test parameters / limits.  Connect 3-wire test lead to the instrument. ...
Page 115: R Low 4W
MI 3155 EurotestXD Test and measurements 7.7 R low 4W Figure 7.27: R low 4W measurement menu Measurement parameters / limits Max. resistance [Off, Custom, 0.05 Ω … 20.0 Ω] Limit(R) Connection diagram Figure 7.28: Connection of 4-wire test lead plus optional extension leads Measurement procedure ...
Page 116: Continuity - Continuous Resistance Measurement With Low Current
MI 3155 EurotestXD Test and measurements Figure 7.29: Example of R low 4W result Measurement results / sub-results Resistance Result at positive test polarity Result at negative test polarity 7.8 Continuity – Continuous resistance measurement with low current Figure 7.30: Continuity resistance measurement menu Measurement parameters / limits Sound [On*, Off]...
Page 117: Compensation Of Test Leads Resistance
MI 3155 EurotestXD Test and measurements Figure 7.31: Tip commander and 3-wire test lead applications Measurement procedure  Enter the Continuity function.  Set test parameters / limits.  Connect test cable to the instrument.  Compensate the test leads resistance, if necessary, see section 7.8.1 Compensation of test leads resistance.
Page 118 MI 3155 EurotestXD Test and measurements Figure 7.33: Shorted test leads Compensation of test leads resistance procedure  Enter R low or Continuity function.  Connect test cable to the instrument and short all test leads together, see Figure 7.33. ...
Page 119: Ring Continuity (With A 2214 Or A 1214)
MI 3155 EurotestXD Test and measurements 7.9 Ring continuity (with A 2214 or A 1214) Figure 7.35: Ring continuity measurement menus Measurement parameters / limits Test Ring circuit [(r1,r2,rN), (R1+RN,R1+R2)] Connection diagram Figure 7.36: Step 1 - Measurement of resistance r1, r2 and rN with A 2214 (left) and with A 1214 (right) Figure 7.37: Step 2 - Testing R1+RN and R1+R2 sections of the wiring in ring final circuit with A 2214 (left) and with A 1214 (right)
Page 120 MI 3155 EurotestXD Test and measurements  Start the measurement. Measurement results are kept until they are changed.  Save results (optional). Figure 7.38: Example of r1, r2, rN resistances measurement Measurement results / sub-results Step 1 Ring resistance of line conductors Ring resistance of neutral conductors Ring resistance of protective conductors Measurement procedure –...
Page 121: Test Cable / Plug Cable And A 2214, A 1214 Adapter Resistance Compensation In Ring Continuity Function
MI 3155 EurotestXD Test and measurements Figure 7.39: Examples of Ring Continuity measurement result - measured values (left), committed values (right) Measurement results / sub-results R1+RN c Reference test value, committed and measured values R1+R2 c Reference test value, committed and measured values (r1+rN)/4 Calculated reference value (r1+r2)/4...
Page 122: Testing Rcds
MI 3155 EurotestXD Test and measurements Figure 7.41: Compensation of Test cable / Plug cable resistance (A 2214 (left), A 1214 (right)) – Step 2 – (R1+RN, R1+R2) Compensation of internal resistance of A 2214 and A 1214 in Ring Continuity function ...
Page 123 MI 3155 EurotestXD Test and measurements  Contact voltage,  Trip-out time,  Trip-out current and  RCD Auto test. Figure 7.43: RCD menus Test parameters / limits I N Rated RCD residual current sensitivity [10 mA, 15 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000 mA] I N/ I Ndc Rated RCD residual current sensitivity for special RCD types...
Page 124: Rcd Uc - Contact Voltage
MI 3155 EurotestXD Test and measurements Parameter is available only when parameter Use is set to other (for Electrical Vehicle (EV) RCDs/RCMs and Mobile installations (MI) RCDs). Parameter is available only when RCD I or RCD t test is selected and parameter Use is set to ‘other’.
Page 125 MI 3155 EurotestXD Test and measurements 7.10.1.1 RCD Uc(P) – Contact voltage with external probe Contact voltage measurement can also be performed using external test probe. Place external probe to reference earth potential. For connection see Figure 7.45 Connection for Uc(P) measurement. Before the contact voltage measurement make sure that Uc(P) parameter is set to On.
Page 126: Rcd T - Trip-Out Time
MI 3155 EurotestXD Test and measurements Test result / sub-results Contact voltage Uc(P) – if selected Contact voltage, external probe Fault loop resistance Rmax Maximum earth fault loop resistance value according to BS 7671 7.10.2 RCD t – Trip-out time Test procedure ...
Page 127: Rcd Auto - Rcd Auto Test
MI 3155 EurotestXD Test and measurements IEC 62955: 1.2 mA 6.0 mA EV RCD, EV RCM, MI RCD (d.c. part) Table 7.4: Relation between RCD type, slope range and test current (trip-out current) or end value in case the RCD didn’t trip-out. Maximum test current is I ...
Page 128 MI 3155 EurotestXD Test and measurements RCD should trip-out Test with I d.c., (+) positive polarity (step 1) N Re-activate RCD. RCD should trip-out Test with I d.c., (-) negative polarity (step 2) N Re-activate RCD. RCD should trip-out Test with I , (+) positive polarity (step 3) N RCD should not trip-out during...
Page 129 MI 3155 EurotestXD Test and measurements Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8...
Page 130 MI 3155 EurotestXD Test and measurements Step 9 Step 10 Step 11 Step 12 Figure 7.49: Individual steps in RCD Auto test Test results / sub-results t I∆N d.c. x1, (+) Step 1 trip-out time (I=IN d.c., (+) positive polarity) t I∆N d.c.
Page 131: Z Loop - Fault Loop Impedance And Prospective Fault Current
MI 3155 EurotestXD Test and measurements 7.11 Z loop – Fault loop impedance and prospective fault current Figure 7.50: Z loop menu Measurement parameters / limits Fuse Type Selection of fuse type [Off, Custom, BS 88-2, BS 88-3, BS 3036, BS 1362, B, C, D] Fuse I Rated current of selected fuse...
Page 132 MI 3155 EurotestXD Test and measurements Figure 7.52: Connection for Uc(P) measurement Measurement procedure  Enter the Z loop function.  Set test parameters / limits.  Connect test cable to the instrument.  Connect 3-wire test lead or Plug commander to the object under test, see Figure 7.51. ...
Page 133: Z Loop 4W - Fault Loop Impedance And Prospective Fault Current
MI 3155 EurotestXD Test and measurements where: ......Maximum loop impedance for selected fuse (according to BS 7671) Scaling factor .... Impedance correction factor (Z factor) (see chapter 4.6.8 Settings) ......Nominal U voltage (see table below) L-PE Uc(P) ......Voltage between external earthed point and main earthing point (P/S and PE terminals), see calculation below Input voltage range (L-PE) 110 V (93 V ...
Page 134 MI 3155 EurotestXD Test and measurements Connection diagram Figure 7.55: Connection of 4-wire test lead Measurement procedure  Enter the Z loop 4W function.  Set test parameters / limits.  Connect test cable to the instrument.  Connect 4-wire test lead to the object under test, C1, P1 terminals to phase and C2, P2 terminals to PE;...
Page 135 MI 3155 EurotestXD Test and measurements �� = ��_�� × �� (��) �� where: ......Maximum loop impedance for selected fuse (according to BS 7671) Scaling factor .... Impedance correction factor (Z factor) (see chapter 4.6.8 Settings) ......Nominal U voltage (see table below) L-PE Input voltage range (L-PE)
Page 136: Zs Rcd - Fault Loop Impedance And Prospective Fault Current In System With Rcd
MI 3155 EurotestXD Test and measurements 7.13 Zs rcd – Fault loop impedance and prospective fault current in system with RCD Zs rcd measurement prevents trip-out of the RCD in systems with the RCD. Figure 7.57: Zs rcd menu Measurement parameters / limits Protection Protection type [TN, TTrcd] Fuse Type...
Page 137 MI 3155 EurotestXD Test and measurements Figure 7.58: Connection of Plug commander and 3-wire test lead Figure 7.59: Connection for Uc(P) measurement Measurement procedure  Enter the Zs rcd function.  Set test parameters / limits.  Connect test cable to the instrument. ...
Page 138: Z Loop M - High Precision Fault Loop Impedance And Prospective Fault Current
MI 3155 EurotestXD Test and measurements Prospective fault current I is calculated from measured impedance as follows: �� Loop impedance limit Z for selected fuse is calculated from the following formula: Lim(Z) �� = ��_�� × �� (��) ��...
Page 139 MI 3155 EurotestXD Test and measurements Nominal voltage [Custom, 110 V, 115 V, 127 V, 220 V, 230 V, 240 V, 290 V, 400 V, 460 V] MI 3143 & MI 3144: Nominal voltage tolerance [6 %, 10 %] Tolerance MI 3143: Test Load [33.3 %, 66.6 %, 100 %] Test Load MI 3144: Test Load [16.6 %, 33.3 %, 50.0 %, 66.6 %, 83.3 %, 100 %]...
Page 140 MI 3155 EurotestXD Test and measurements  Connect test leads to the object under test, see Figure 7.62 and Figure 7.63.  Start the measurement using button.  Save results (optional). Result screen using A 1143 Result screen using MI 3143 or MI 3144 Figure 7.64: Examples of high precision Loop impedance measurement result Measurement results / sub-results Loop impedance...
Page 141: Z Line - Line Impedance And Prospective Short-Circuit Current
MI 3155 EurotestXD Test and measurements 7.15 Z line – Line impedance and prospective short-circuit current Figure 7.65: Z line measurement menu Measurement parameters / limits Fuse Type Selection of fuse type [Off, Custom, BS 88-2, BS 88-3, BS 3036, BS 1362, B, C, D] Fuse I Rated current of selected fuse...
Page 142 MI 3155 EurotestXD Test and measurements Measurement procedure  Enter the Z line function.  Set test parameters / limits.  Connect test cable to the instrument.  Connect 3-wire test lead or Plug commander to the object under test, see Figure 7.66.
Page 143 MI 3155 EurotestXD Test and measurements Input voltage range (L-N or L-L) 110 V (93 V  U  134 V) 230 V (185 V  U  266 V) 400 V (321 V  U  485 V) Table 7.8: Relation between Input voltage – U and nominal voltage –...
Page 144: Z Line 4W - Line Impedance And Prospective Short-Circuit Current
MI 3155 EurotestXD Test and measurements 7.16 Z line 4W – Line impedance and prospective short- circuit current Figure 7.68: Z line 4W measurement menu Measurement parameters / limits Fuse Type Selection of fuse type [Off, Custom, BS 88-2, BS 88-3, BS 3036, BS 1362, B, C, D] Fuse I Rated current of selected fuse...
Page 145 MI 3155 EurotestXD Test and measurements  Save results (optional). Figure 7.70: Examples of 4W line impedance measurement result Measurement results / sub-results Line impedance Ipsc Prospective short-circuit current Voltage L-N Resistance of line impedance Reactance of line impedance Prospective short circuit current I is calculated as follows: ��...
Page 146: Z Line M - High Precision Line Impedance And Prospective Short-Circuit Current
MI 3155 EurotestXD Test and measurements 7.17 Z line m – High precision line impedance and prospective short-circuit current A 1143 MI 3143 or MI 3144 Figure 7.71: Z line mΩ menu Measurement parameters / limits Fuse Type Selection of fuse type [Off, Custom, BS 88-2, BS 88-3, BS 3036, BS 1362, B, C, D] Fuse I Rated current of selected fuse...
Page 147 MI 3155 EurotestXD Test and measurements Connection of A 1143 Connection of MI 3143 or MI 3144 Figure 7.72: Phase-neutral or phase-phase high precision Line impedance measurement Measurement procedure  Connect MI 3155 instrument with A 1143, MI 3143 or MI 3144 Euro Z adapter / instrument via serial RS232 or pair them using Bluetooth communication.
Page 148 MI 3155 EurotestXD Test and measurements Measurement results / sub-results Line impedance Ipsc Standard prospective short-circuit current Imax Maximal prospective short-circuit current Imin Minimal prospective short-circuit current Imax2p Maximal two-phases prospective short-circuit current Imin2p Minimal two-phases prospective short-circuit current Imax3p Maximal three-phases prospective short-circuit current Imin3p Minimal three-phases prospective short-circuit current...
Page 149: High Current (Mi 3143 And Mi 3144)
MI 3155 EurotestXD Test and measurements 7.18 High Current (MI 3143 and MI 3144) Figure 7.74: High Current menu Measurement parameters / limits Test Load MI 3143: Test load [33.3 %, 66.6 %, 100 %] MI 3144: Test load [16.6 %, 33.3 %, 50.0 %, 66.6 %, 83.3 %, 100 %] Clamp Type Clamp type [A 1227, A 1281, A 1609] Clamp Range...
Page 150 MI 3155 EurotestXD Test and measurements  Refer to MI 3143 – Euro Z 440 V or MI 3144 – Euro Z 800 V Instruction manual for detailed information.  Start the measurement using button.  Save results (optional). Figure 7.76: Example of High Current measurement result Measurement results / sub-results R Resistance...
Page 151: Voltage Drop
MI 3155 EurotestXD Test and measurements 7.19 Voltage Drop The voltage drop is calculated based on the difference of line impedance at connection points (sockets) and the line impedance at the reference point (usually the impedance at the switchboard). Figure 7.77: Voltage drop menu Measurement parameters / limits Fuse Type Selection of fuse type [Off, Custom, BS 88-2, BS 88-3, BS 3036, BS...
Page 152 MI 3155 EurotestXD Test and measurements Measurement procedure STEP 1: Measuring the impedance Zref at origin  Enter the Voltage Drop function.  Set test parameters / limits.  Connect test cable to the instrument.  Connect 3-wire test lead to the origin of electrical installation, see Figure 7.78. ...
Page 153 MI 3155 EurotestXD Test and measurements Voltage drop is calculated as follows: (�� − �� ) ⋅ �� [%] = ⋅ 100 �� where: ΔU Calculated Voltage drop Zref Impedance at reference point (at origin) Impedance at test point Nominal voltage Rated current of selected fuse (Fuse I) or custom value I (U) Input voltage range (L-N or L-L)
Page 154: U Touch - Touch Voltage (Mi 3143 And Mi 3144)
MI 3155 EurotestXD Test and measurements 7.20 U touch – Touch voltage (MI 3143 and MI 3144) Figure 7.81: Touch voltage menu Measurement parameters / limits Test Load MI 3143: Test load [33.3 %, 66.6 %, 100 %] MI 3144: Test load [16.6 %, 33.3 %, 50.0 %, 66.6 %, 83.3 %, 100 %] Fault current [Custom, 10 A …...
Page 155 MI 3155 EurotestXD Test and measurements  Save results (optional). Figure 7.83: Example of Touch voltage measurement result Measurement results / sub-results Utouch Calculated touch voltage Measured voltage drop Itest Test current Voltage monitor: Up1p2 Voltage P1-P2 Uc1c2 Voltage C1-C2 Freq Frequency Refer to MI 3143 Euro Z 440 V and MI 3144 Euro Z 800 V Instruction manuals for detailed...
Page 156: Z Auto - Auto Test Sequence For Fast Line And Loop Testing
MI 3155 EurotestXD Test and measurements 7.21 Z auto - Auto test sequence for fast line and loop testing Tests / measurements implemented in Z auto test sequence Voltage Z line Voltage Drop Zs rcd Figure 7.84: Z auto menu Measurement parameters / limits Protection Protection type [TN, TNrcd, TTrcd]...
Page 157 MI 3155 EurotestXD Test and measurements Connection diagram Figure 7.85: Z auto measurement Measurement procedure  Enter the Z auto function.  Set test parameters / limits.  Measure the impedance Zref at origin (optional), see chapter 7.19 Voltage Drop. ...
Page 158: R Line M - Dc Resistance Measurement (Mi 3144)
MI 3155 EurotestXD Test and measurements R line m – DC resistance measurement (MI 3144) 7.22 Figure 7.87: R line mΩ menu Measurement parameters / limits Limit [Off, Custom, 0.01  … 19 ] Limit (R) Connection diagram Figure 7.88: R line mΩ – Connection of MI 3144 Measurement procedure ...
Page 159 MI 3155 EurotestXD Test and measurements Figure 7.89: Example of R line mΩ measurement result Measurement results / sub-results Line resistance Itest Test current Voltage U Voltage drop U% Voltage drop in percentage Voltage monitor: Up1p2 Voltage P1-P2 Uc1c2 Voltage C1-C2 Freq Frequency Refer to MI 3144 Euro Z 800 V Instruction manual for detailed information.
Page 160: Elr Current Injection Test (Mi 3144)
MI 3155 EurotestXD Test and measurements ELR Current Injection Test (MI 3144) 7.23 Figure 7.90: ELR Current Injection Test menu Measurement parameters / limits Current Waveform Current waveform [Alternating, Pulsating, DC] Number of turns [1 … 10] Number of turns I gen Current [3 mA, 5 mA, 6 mA, 10 mA, 15 mA, 30 mA, 50 mA, 100 mA, 150 mA, 250 mA, 300 mA, 500 mA]...
Page 161 MI 3155 EurotestXD Test and measurements Refer to MI 3144 Euro Z 800 V Instruction manual for detailed information.  Start the measurement using button.  to select PASS / FAIL / NO STATUS indication.  Press or the key to confirm selection and complete the measurement. ...
Page 162: Elr Combination Time Test (Mi 3144)
MI 3155 EurotestXD Test and measurements ELR Combination Time Test (MI 3144) 7.24 Figure 7.93: ELR Combination Time Test menu Measurement parameters / limits Current Waveform Current waveform [Alternating, Pulsating, DC] Number of turns [1 … 10] Number of turns I gen Current [3 mA, 5 mA, 6 mA, 10 mA, 15 mA, 30 mA, 50 mA, 100 mA, 150 mA, 250 mA, 300 mA, 500 mA]...
Page 163 MI 3155 EurotestXD Test and measurements Figure 7.94: Example of ELR Combination Time Test result Measurement result Time Voltage monitor: Up1p2 Voltage P1-P2 Uc1c2 Voltage C1-C2 Freq Frequency Refer to MI 3144 Euro Z 800 V Instruction manual for detailed information.
Page 164: Evse Diagnostic Test (A 1632)
MI 3155 EurotestXD Test and measurements EVSE Diagnostic Test (A 1632) 7.25 EVSE Diagnostic Test should be performed with A 1632 eMobility Analyser connected with MI 3155 instrument via Bluetooth communication. Figure 7.95: Diagnostic Test (EVSE) start screens – EV simulator, Errors and Monitor Measurement parameters / limits With selection of the Test parameter on the start screen, three diagnostic sub-tests can be set.
Page 165 MI 3155 EurotestXD Test and measurements Figure 7.98: Diagnostic test (EVSE) - Monitor sub-test - connection to EVSE or charging cable Diagnostic test procedure  Pair and connect MI 3155 with A 1632 eMobility Analyzer instrument via Bluetooth communication. See chapter 4.6.8.1 Adapters. ...
Page 166 MI 3155 EurotestXD Test and measurements toff Disconnection time of charging cable / EVSE State System state Refer to A 1632 eMobility Analyzer Instruction manual for detailed information.
Page 167: Earth - Earth Resistance (3-Wire Test)
MI 3155 EurotestXD Test and measurements 7.26 Earth – Earth resistance (3-wire test) Figure 7.100: Earth menu Measurement parameters / limits Maximum resistance [Off, Custom, 1  ... 5 k] Limit(Re) Connection diagrams Figure 7.101: Resistance to earth, measurement of main installation earthing and lighting protection system Measurement procedure ...
Page 168: Earth 2 Clamp - Contactless Earthing Resistance Measurement (With Two Current Clamps)
MI 3155 EurotestXD Test and measurements Figure 7.102: Examples of Earth resistance measurement result Measurement results / sub-results Earth resistance Resistance of H (current) probe Resistance of S (potential) probe 7.27 Earth 2 clamp – Contactless earthing resistance measurement (with two current clamps) Figure 7.103: Earth 2 clamps menu Measurement parameters / limits Maximum resistance [Off, Custom, 1 ...
Page 169: Specific Earth Resistance (A 1199)
MI 3155 EurotestXD Test and measurements Figure 7.105: Examples of Contactless earthing resistance measurement result Measurement results / sub-results Earth resistance 7.28 Ro – Specific earth resistance (A 1199) Figure 7.106: Earth Ro menu Measurement parameters / limits Length Unit Length unit [m, ft] Distance Distance between probes [Custom, 0.1 m ...
Page 170 MI 3155 EurotestXD Test and measurements Connection diagram Figure 7.107: Specific earth resistance measurement Measurement procedure  Enter the Ro function.  Set test parameters / limits.  Connect A 1199 adapter to the instrument.  Connect test leads to earth probes, see Figure 7.107. ...
Page 171: Power
MI 3155 EurotestXD Test and measurements 7.29 Power Figure 7.109: Power menu Measurement parameters / limits Ch1 clamp type Current clamp adapter [A1018, A1391] Range Range for selected current clamp adapter A1018 [20 A] A1391 [40 A, 300 A] Connection diagram Figure 7.110: Power measurement Measurement procedure ...
Page 172: Harmonics
MI 3155 EurotestXD Test and measurements Figure 7.111: Example of Power measurement result Measurement results / sub-results Active power Apparent power Reactive power (capacitive or inductive) Power factor (capacitive or inductive) THDu Voltage total harmonic distortion 7.30 Harmonics Figure 7.112: Harmonics menu Measurement parameters / limits Ch1 clamp type Current clamp adapter [A1018, A1391]...
Page 173 MI 3155 EurotestXD Test and measurements Connection diagram Figure 7.113: Harmonics measurement Measurement procedure  Enter the Harmonics function.  Set parameters / limits.  Connect 3-wire test lead and current clamp to the instrument.  Connect the 3-wire test lead and current clamp to the item to be tested, see Figure 7.113.
Page 174: Currents
MI 3155 EurotestXD Test and measurements 7.31 Currents Figure 7.115: Current menu Measurement parameters / limits Ch1 clamp type Current clamp adapter [A1018, A1391] Range Range for selected current clamp adapter A1018 [20 A] A1391 [40 A, 300 A] Limit(I1) Max.
Page 175: Current Clamp Meter (Mi 3144)
MI 3155 EurotestXD Test and measurements Figure 7.117: Examples of Current measurement result Measurement results / sub-results PE leakage or load current 7.32 Current Clamp Meter (MI 3144) Figure 7.118: Current Clamp Meter menu Measurement parameters / limits Clamp Type Clamp type [A 1227, A 1281, A 1609] Clamp Range Range...
Page 176 MI 3155 EurotestXD Test and measurements Refer to MI 3144 Euro Z 800 V Instruction manual for detailed information. Measurement procedure  Connect MI 3155 instrument with MI 3144 Euro Z instrument via serial RS232 or pair them using Bluetooth communication. See chapter 4.6.8.1 Adapters. ...
Page 177: Isfl - First Fault Leakage Current
MI 3155 EurotestXD Test and measurements 7.33 ISFL – First fault leakage current Figure 7.121: ISFL measurement menu Measurement parameters / limits Imax(Isc1, Isc2) Maximum first fault leakage current [Off, Custom, 3.0 mA ... 19.5 mA] Connection diagrams Figure 7.122: Measurement of highest First fault leakage current with 3-wire test lead Figure 7.123: Measurement of First fault leakage current for RCD protected circuit with 3- wire test lead Measurement procedure...
Page 178 MI 3155 EurotestXD Test and measurements  Connect 3-wire test lead to the object under test, see Figure 7.122 and Figure 7.123.  Start the measurement.  Save results (optional). Figure 7.124: Examples of First fault leakage current measurement result Measurement results / sub-results Isc1 First fault leakage current at single fault between L1/PE...
Page 179: Imd - Testing Of Insulation Monitoring Devices
MI 3155 EurotestXD Test and measurements 7.34 IMD – Testing of insulation monitoring devices This function checks the alarm threshold of insulation monitor devices (IMD) by applying a changeable resistance between L1/PE and L2/PE terminals. Figure 7.125: IMD test menu Test parameters / limits Test Test mode [MANUAL R, MANUAL I, AUTO R, AUTO I]...
Page 180 MI 3155 EurotestXD Test and measurements  Use the keys to change insulation resistance until IMD alarms an insulation failure for L1.  Press or the key to change line terminal selection to L2. (If IMD switches off voltage supply, instrument automatically changes line terminal selection to L2 and proceeds with the test when supply voltage is detected.) ...
Page 181 MI 3155 EurotestXD Test and measurements keys until IMD alarms an insulation failure for L2.  Press the or the key. If IMD switches off voltage supply, instrument automatically proceeds to the PASS / FAIL / NO STATUS indication.  to select PASS / FAIL / NO STATUS indication.
Page 182 MI 3155 EurotestXD Test and measurements Figure 7.127: Examples of IMD test result Test results / sub-results Threshold insulation resistance between L1-PE Calculated first fault leakage current for R1 Activation / disconnection time of IMD for R1 Threshold insulation resistance between L2-PE Calculated first fault leakage current for R2 Activation / disconnection time of IMD for R2 ��...
Page 183: Rpe - Pe Conductor Resistance
MI 3155 EurotestXD Test and measurements 7.35 Rpe – PE conductor resistance Figure 7.128: PE conductor resistance measurement menu Measurement parameters / limits [Yes, No] Max. resistance [Off, Custom, 0.1  ... 20.0 ] Limit(Rpe) Connection diagram Figure 7.129: Connection of Plug commander and 3-wire test lead Measurement procedure ...
Page 184: Illumination
MI 3155 EurotestXD Test and measurements Measurement results / sub-results PE conductor resistance 7.36 Illumination Figure 7.131: Illumination measurement menu Measurement parameters / limits Limit(E) Minimum illumination [Off, Custom, 0.1 lux ... 20 klux] Probe positioning Figure 7.132: LUXmeter probe positioning Measurement procedure ...
Page 185 MI 3155 EurotestXD Test and measurements Figure 7.133: Examples of Illumination measurement result Measurement results / sub-results Illumination...
Page 186: Discharging Time
MI 3155 EurotestXD Test and measurements 7.37 Discharging time Figure 7.134: Discharging time measurement menu Measurement parameters / limits Limit U Voltage limit [34 V, 60 V, 120 V] Limit (t) Time limit [1 s, 5 s] Measuring principle The measuring principle of the discharging time function is as following: Step 1: The DUT is connected to supply voltage via an external socket.
Page 187: Auto Tt - Auto Test Sequence For Tt Earthing System
MI 3155 EurotestXD Test and measurements Figure 7.136: Discharging time measurement Measurement procedure  Enter the Discharging time function.  Set test parameters / limits.  Connect 3-wire test lead to the instrument and on the DUT, see Figure 7.136. ...
Page 188 MI 3155 EurotestXD Test and measurements Z line Voltage Drop Zs rcd RCD Uc Figure 7.138: AUTO TT menu Measurement parameters / limits I ΔN Rated RCD residual current sensitivity [10 mA, 15 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000 mA] RCD type RCD type [AC, A, F, B, B+] Selectivity...
Page 189 MI 3155 EurotestXD Test and measurements Measurement procedure  Enter the AUTO TT function.  Set test parameters / limits.  Measure the impedance Zref at origin (optional), see chapter 7.19 Voltage Drop.  Connect test cable to the instrument. ...
Page 190: Auto Tn (Rcd) - Auto Test Sequence For Tn Earthing System With Rcd
MI 3155 EurotestXD Test and measurements 7.39 AUTO TN (RCD) – Auto test sequence for TN earthing system with RCD Tests / measurements implemented in AUTO TN (RCD) sequence Voltage Z line Voltage Drop Zs rcd Rpe rcd Figure 7.141: AUTO TN (RCD) menu Measurement parameters / limits Fuse type Selection of fuse type [Off, Custom, BS 88-2, BS 88-3, BS 3036, BS...
Page 191 MI 3155 EurotestXD Test and measurements Measurement procedure  Enter the AUTO TN (RCD) function.  Set test parameters / limits.  Measure the impedance Zref at origin (optional), see chapter 7.19 Voltage Drop.  Connect test cable to the instrument. ...
Page 192: Auto Tn - Auto Test Sequence For Tn Earthing System Without Rcd
MI 3155 EurotestXD Test and measurements 7.40 AUTO TN – Auto test sequence for TN earthing system without RCD Tests / measurements implemented in AUTO TN sequence Voltage Z line Voltage Drop Z loop Figure 7.144: AUTO TN menu Measurement parameters / limits Fuse type Selection of fuse [Off, Custom, BS 88-2, BS 88-3, BS 3036, BS 1362, B, C, D]...
Page 193 MI 3155 EurotestXD Test and measurements Figure 7.145: AUTO TN measurement Measurement procedure  Enter the AUTO TN function.  Set test parameters / limits.  Measure the impedance Zref at origin (optional), see chapter 7.19 Voltage Drop.  Connect test cable to the instrument. ...
Page 194: Auto It - Auto Test Sequence For It Earthing System
MI 3155 EurotestXD Test and measurements 7.41 AUTO IT – Auto test sequence for IT earthing system Tests / measurements implemented in AUTO IT sequence Voltage Z line Voltage Drop ISFL Figure 7.147: AUTO IT menu Measurement parameters / limits Fuse type Selection of fuse type [Off, Custom, BS 88-2, BS 88-3, BS 3036, BS 1362, B, C, D]...
Page 195 MI 3155 EurotestXD Test and measurements Measurement procedure  Enter the AUTO IT function.  Set test parameters / limits.  Measure the impedance Zref at origin (optional), see chapter 7.19 Voltage Drop.  Connect test cable to the instrument. ...
Page 196: Locator
MI 3155 EurotestXD Test and measurements 7.42 Locator This function is intended for tracing mains installation, like:  Tracing lines,  Finding shorts, breaks in lines,  Detecting fuses. The instrument generates test signals that can be traced with the handheld tracer receiver R10K.
Page 197: Visual And Functional Inspections
MI 3155 EurotestXD Test and measurements Line tracing procedure  Select Locator function in Other menu.  Connect test cable to the instrument.  Connect 3-wire test lead or Plug commander to the tested object (see Figure 7.151 and Figure 7.152). ...
Page 198: Measurements Using Adapter Md 9273
MI 3155 EurotestXD Test and measurements Visual / Functional inspection procedure  Select the appropriate inspection test from Visual or Function menu.  Start the inspection.  Perform the inspection of the item under test.  Apply appropriate ticker(s) to items of inspection. ...
Page 199: Power Clamp
MI 3155 EurotestXD Test and measurements Selected test is configured from EurotestXD. Adapter MD 9273 acquires test signals, process measurements and send results to the EurotestXD. Results are presented on the instrument screen and can be saved to the Workspace memory for later use. 7.44.1 Power CLAMP Figure 7.158: Power CLAMP menu Measurement parameters...
Page 200: Voltage Clamp
MI 3155 EurotestXD Test and measurements Figure 7.160: Power CLAMP results Measurement results / sub-results Active power Apparent power Reactive power (capacitive or inductive) Power factor (capacitive or inductive) Φ Phase displacement between voltage and current in degrees Note: Voltage test terminals connection and current flow toward load should be taken into account; the red voltage terminal should be connected to the Line terminal and the jaw should be correctly oriented, to obtain positive sign of Power test result.
Page 201 MI 3155 EurotestXD Test and measurements Figure 7.162: Voltage CLAMP connection Measurement procedure  ® Connect MD 9273 to the item to be tested and set Bluetooth mode.  ® Enter the Voltage CLAMP function and wait for active Bluetooth communication sign.
Page 202: Current Clamp
MI 3155 EurotestXD Test and measurements 7.44.3 Current CLAMP Figure 7.164: Current CLAMP menu Measurement parameters Harmonic setup [1 to 19, 1 is fundamental frequency] Connection diagram Figure 7.165: Current CLAMP connection Measurement procedure  ® Connect MD 9273 to the item to be tested and set Bluetooth mode.
Page 203: Inrush Clamp
MI 3155 EurotestXD Test and measurements Effective ac current value – last obtained result Iac min Minimum effective ac current value during measurement time duration Iac max Maximum effective ac current value during measurement time duration THDi [A] Effective current value of all harmonics (without current value at fundamental frequency) THDi [%] Total harmonic distortion...
Page 204 MI 3155 EurotestXD Test and measurements Figure 7.168: Inrush CLAMP connection Test procedure  ® Connect MD 9273 to the item to be tested and set Bluetooth mode.  ® Enter the Inrush CLAMP function and wait for active Bluetooth communication sign.
Page 205: Harmonics U Clamp
MI 3155 EurotestXD Test and measurements Effective ac voltage (within the measurement) Effective ac current (within the measurement) Start Inrush test start recording time (from Master Instrument) Tap on chart area or drag graph line cursor to present chart value at chosen time. Use left / right arrow keys for smooth setting.
Page 206: Harmonics I Clamp
MI 3155 EurotestXD Test and measurements the test).  Start the continuous measurement.  Stop the measurement.  Save results (optional). Chart Voltage range selection: [100 mV/div … 100 V/div] Figure 7.172: Harmonics U CLAMP results Measurement results / sub-results Harmonics chart range Effective ac voltage value THDu [%]...
Page 207 MI 3155 EurotestXD Test and measurements A – harmonics and distortion are displayed as absolute value Connection diagram Figure 7.174: Harmonics I CLAMP connection Measurement procedure  ® Connect MD 9273 to the item to be tested and set Bluetooth mode.
Page 208: Auto Sequences
The results of an Auto sequence® can be stored in the memory together with all related information. Auto Sequences® can be pre-programmed on PC with the Metrel ES Manager software and uploaded to the instrument. Refer to chapter Appendix E - Programming of Auto ...
Page 209: Searching In Auto Sequences® Menu
 MI 3155 EurotestXD Auto Sequences  New Auto Sequence® group is selected and all Auto Sequences® within that group are displayed on the screen. 8.1.2 Searching in Auto Sequences® menu In Auto Sequence® menu it is possible to search for Auto Sequences® on base of their Name or Short code.
Page 210: Organization Of Auto Sequences® In Auto Sequences® Menu
 MI 3155 EurotestXD Auto Sequences Figure 8.1: Search results screen – Page view (left), Auto Sequence® selected (right) Options Next page. Previous page. Goes to location in Auto Sequences® menu. Goes to Auto Sequence® view menu. Starts the selected Auto Sequence®. Note: ...
Page 211: Organization Of An Auto Sequence
 MI 3155 EurotestXD Auto Sequences Enters menu for more detail view of selected Auto sequence®. This option should also be used if the parameters / limits of the selected Auto Sequence® have to be changed. Refer to chapter 8.2.1 Auto Sequence® view menu for more information. Starts the selected Auto Sequence®.
Page 212: Auto Sequence® View Menu (Measurement Is Selected)
 MI 3155 EurotestXD Auto Sequences Figure 8.3: Screen organization in Auto Sequence® view menu – Header selected Legend Short code Auto Sequence® name Header Single tests Description Control panel (available options) Option Starts the Auto Sequence®. 8.2.1.2 Auto Sequence® view menu (measurement is selected) Figure 8.4: Screen organization in Auto Sequence®...
Page 213: Step By Step Execution Of Auto Sequences
 MI 3155 EurotestXD Auto Sequences Options Selects single test. Opens menu for changing parameters and limits of selected measurements. Refer to chapter 6.1.2 Setting parameters, limits and comments of single tests for more information how to change measurement parameters and limits. User must decide whether the changes in global parameter(s) apply to all single tests within the selected Auto Sequence®...
Page 214 During Auto Sequences® the popup Warning messages are displayed only before the single test inside one Auto Sequence®. This default setting can be changed with appropriate flow command. For more information about programming Auto Sequences®  refer to chapter Appendix E - Programming of Auto Sequences on Metrel ES Manager.
Page 215: Auto Sequence® Result Screen
 MI 3155 EurotestXD Auto Sequences 8.2.3 Auto Sequence® result screen After the Auto Sequence® is finished the Auto Sequence® result screen is displayed. On the left side of the display the single tests and their statuses in the Auto Sequence® are shown.
Page 216: Auto Sequence® Memory Screen
 MI 3155 EurotestXD Auto Sequences in Memory organizer menu the Auto Sequence® object. By pressing result is saved under selected location. An empty measurement was selected in structure tree and started:  The result(s) will be added to the Auto Sequence®. The Auto Sequence® will change its overall status from ‘empty’...
Page 217  MI 3155 EurotestXD Auto Sequences Options Retest the Auto Sequence®. Enters menu for a new Auto Sequence®. Enters menu for viewing details of the Auto Sequence®. Refer to chapter 8.2.3 Auto Sequence® result screen for more information.
Page 218: Communication
How to configure a Bluetooth link between instrument and an Android device Switch on the instrument.  Some Android applications automatically carry out the setup of a Bluetooth connection.  It is preferred to use this option if it exists. This option is supported by Metrel's Android applications.
Page 219: Communication With Adapters
Bluetooth module. The initialization is carried out during the Initial settings procedure. In case of a successful initialization “INITIALIZING… OK!” is displayed at the end of the procedure. See chapter 4.6.11 Initial Settings. Metrel android application aMESM is available for download from Google play store:  9.3 Communication with adapters EurotestXD can communicate with Metrel test and measurement adapters through wired RS232 port or wireless Bluetooth communication port.
Page 220: Bluetooth And Rs-232 Communication With Scanners
9.4 Bluetooth and RS-232 communication with scanners EurotestXD instrument can communicate with supported Bluetooth and serial scanners. Serial scanner should be connected to the instrument via PS/2 serial port. Contact Metrel or your distributor which external devices and functionalities are supported. See chapter 4.6.9 Devices...
Page 221: Upgrading The Instrument
The firmware upgrade requires internet access and can be carried out from the Metrel ES Manager software with a help of special upgrading software – FlashMe which will guide you through the...
Page 222: Maintenance
MI 3155 EurotestXD Maintenance 11 Maintenance Unauthorized persons are not allowed to open the EurotestXD instrument. There are no user replaceable components inside the instrument, except the battery and fuses under back cover. Figure 11.1: Position of screws to open battery / fuse compartment 11.1 Fuse replacement There are three fuses under back cover of the EurotestXD instrument.
Page 223: Battery Pack Insertion / Replacement
MI 3155 EurotestXD Maintenance Figure 11.2: Fuses Warnings:  Disconnect all measuring accessory and switch off the instrument before opening battery / fuse compartment cover, hazardous voltage inside!  Replace blown fuse with original type only, otherwise the instrument or accessory may be damaged and / or operator’s safety impaired! 11.2 Battery pack insertion / replacement Procedure:...
Page 224: Cleaning
MI 3155 EurotestXD Maintenance When placing high-capacity battery pack make sure that protection circuit module of the battery pack is placed at top inner side of the compartment. Warnings:  Disconnect all measuring accessory and switch off the instrument before opening battery / fuse compartment cover, hazardous voltage inside! ...
Page 225: Technical Specifications
MI 3155 EurotestXD Technical specifications 12 Technical specifications 12.1 R iso, R iso all – Insulation resistance Uiso: 50 V, 100 V and 250 V (R iso, R iso all) Riso – Insulation resistance (R iso) R L-N, R L-PE, R N-PE – Insulation resistance (R iso all) Measuring range according to EN 61557 is 0.15 M...
Page 226: Diagnostic Test
MI 3155 EurotestXD Technical specifications (R iso, Riso all) ........up to 1000, with a fully charged battery (type: 18650T22A2S2P) up to 2000, with a fully charged battery (type: 18650T22A2S4P) Auto discharge after test. Specified accuracy is valid if 3-wire test lead is used while it is valid up to 100 M if Tip commander is used.
Page 227: R Low 4W - Resistance Of Earth Connection And Equipotential Bonding
MI 3155 EurotestXD Technical specifications Test lead compensation ......up to 5  The number of possible tests: Rlow (Current = standard) ...... up to 1700, with a fully charged battery (type: 18650T22A2S2P) up to 3400, with a fully charged battery (type: 18650T22A2S4P) Rlow (Current = ramp) ......
Page 228: Ring Continuity
MI 3155 EurotestXD Technical specifications 12.6 Ring Continuity Measuring range according to EN 61557 is 0.12  ... 50.0 . (r1,r2,rN), (R1+RN,R1+R2) Accuracy Measuring range () Resolution () (3 % of reading + 3 digits) 0.00 ... 9.99 0.01 (5 % of reading) 10.00 ...
Page 229: Rcd Testing
MI 3155 EurotestXD Technical specifications 12.7 RCD testing 12.7.1 General data Nominal residual current (A,AC) ..... 10 mA, 15 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000 mA Nominal residual current accuracy ..-0 / +0.1I; I = IN, 2IN, 5IN, 8.33IN(250 mA) -0.1I...
Page 230: Rcd Uc - Contact Voltage
MI 3155 EurotestXD Technical specifications RCD test current in relation to MI / EV RCD type and multiplication factor × 1/2 × 1 × 2 × 5 × 10 × 33.33 × 50 RCD I N N N N N N N ...
Page 231: Rcd I - Trip-Out Current
MI 3155 EurotestXD Technical specifications 12.7.4 RCD I – Trip-out current Complete measurement range corresponds to EN 61557 requirements. I – Trip-out current Measuring range Accuracy Resolution I  0.2I ... 1.1I N N 0.1I 0.05I N N (AC type) 0.2I ...
Page 232 MI 3155 EurotestXD Technical specifications 100 ... 999  10 % of reading 1.00 k ... 9.99 k Ipsc – Prospective fault current Measuring range (A) Resolution (A) Accuracy 0.00 ... 9.99 0.01 10.0 ... 99.9 Consider accuracy of fault 100 ...
Page 233: Zs Rcd - Fault Loop Impedance And Prospective Fault Current In System With Rcd
MI 3155 EurotestXD Technical specifications 12.9 Zs rcd – Fault loop impedance and prospective fault current in system with RCD Z – Fault loop impedance Measuring range according to EN 61557 is 0.46  ... 9.99 k for I test = standard and 0.48  ... 9.99 k...
Page 234: Z Loop M - High Precision Fault Loop Impedance And Prospective Fault Current
MI 3155 EurotestXD Technical specifications 12.10 Z loop m – High precision fault loop impedance and prospective fault current This test is performed in combination with an external test adapter / instrument. For technical specification refer to A 1143 Euro Z 290 A, MI 3143 Euro Z 440 V and MI 3144 Euro Z 800 V Instruction manual.
Page 235: Z Line M - High Precision Line Impedance And Prospective Short-Circuit Current
MI 3155 EurotestXD Technical specifications 12.13 Z line m – High precision line impedance and prospective short-circuit current This test is performed in combination with an external test adapter / instrument. For technical specification refer to A 1143 Euro Z 290 A, MI 3143 Euro Z 440 V and MI 3144 Euro Z 800 V Instruction manual.
Page 236: Rpe - Pe Conductor Resistance
MI 3155 EurotestXD Technical specifications 12.17 Rpe – PE conductor resistance, 12.27 ISFL – First fault leakage current and 12.28 IMD. 12.17 Rpe – PE conductor resistance RCD: No R – PE conductor resistance Accuracy Measuring range () Resolution () 0.00 ...
Page 237: Earth - Earth Resistance (3-Wire Measurement)
MI 3155 EurotestXD Technical specifications 12.18 Earth – Earth resistance (3-wire measurement) Re – Earth resistance Measuring range according to EN61557-5 is 0.20  ... 1999 . Accuracy Measuring range () Resolution () 0.00 ... 19.99 0.01 (5 % of reading + 5 digits) 20.0 ...
Page 238: Specific Earth Resistance
MI 3155 EurotestXD Technical specifications 12.20 Ro – Specific earth resistance  – Specific earth resistance Accuracy Measuring range (m) Resolution (m) 0.0 ... 99.9 100 ... 999 1.00 k ... 9.99 k 0.01 k See accuracy note 10.0 k ... 99.9 k 0.1 k 100 k ...
Page 239: Voltage, Frequency, And Phase Rotation
MI 3155 EurotestXD Technical specifications 12.21 Voltage, frequency, and phase rotation 12.21.1 Phase rotation Nominal system voltage range ....100 V ... 550 V Nominal frequency range ....... 14 Hz ... 500 Hz Result displayed ........1.2.3 or 3.2.1 12.21.2 Voltage / Online terminal voltage monitor Measuring range (V) Resolution (V) Accuracy...
Page 240: Currents
MI 3155 EurotestXD Technical specifications 12.23 Currents Maximum voltage on C1 measuring input ..3 V Nominal frequency .......... 0 Hz, 40 Hz ... 500 Hz Ch1 clamp type: A1018 Range: 20 A I1 – Current Measuring range (A) Resolution (A) Accuracy* (5 % of reading + 5 digits)
Page 241: Power
MI 3155 EurotestXD Technical specifications 12.25 Power Measurement characteristics Function symbols Class according to Measuring range IEC 61557-12 P – Active power 5 % ... 100 % I S – Apparent power 5 % ... 100 % I Q – Reactive power 5 % ...
Page 242: Imd
MI 3155 EurotestXD Technical specifications 12.28 IMD R1, R2 – Threshold insulation resistance R (kΩ) Resolution (kΩ) Note 5 ... 640 up to 128 steps I1, I2 – First fault leakage current at threshold insulation resistance I (mA) Resolution (mA) Note 0.0 ...
Page 243: Discharging Time
MI 3155 EurotestXD Technical specifications 12.30 Discharging time t – Discharging time Measuring range according to EN 61557-14 is 0.8 s ... 9.9 s. Range (s) Resolution (s) Accuracy (5 % of reading + 2 digits) 0.0 s ... 9.9 Ures –...
Page 244: Evse Diagnostic Test (A 1632)
MI 3155 EurotestXD Technical specifications 12.35 EVSE Diagnostic test (A 1632) This test is performed in combination with an external test adapter / instrument. For technical specification refer to A 1632 eMobility Analyzer Instruction manual. Power CLAMP (MD 9273) 12.36 This test is performed in combination with an external test adapter / instrument.
Page 245: General Data
MI 3155 EurotestXD Technical specifications 12.42 General data Power supply ......... Li-Ion battery pack 7.2 V, 4400 mAh (type: 18650T22A2S2P) 8800 mAh (type: 18650T22A2S4P) optional Operation ..........Typical 16 h (type: 18650T22A2S2P) Typical 32 h (type: 18650T22A2S4P) Charger socket input voltage ....12 V  10 % Charger socket input current ....
Page 246: Appendix A Commanders (A 1314, A 1401)
If the commander is not used for a long period of time, remove all batteries from the  battery compartment. Alkaline or rechargeable Ni-MH batteries (size AAA) can be used. Metrel recommends  only using rechargeable batteries with a capacity of 800 mAh or above.
Page 247: Operation Of Commanders
Appendix A – Commanders (A 1314, A 1401) MI 3155 EurotestXD Figure A.2: Front side Plug commander (A 1314-UK) Figure A.3: Back side TEST Starts measurements. TEST Acts also as the PE touching electrode. Left status RGB LED Right status RGB LED LEDs Lamp LEDs (Tip commander) Function selector...
Page 248: Appendix B Locator Receiver R10K
IND (inductive) mode. The CAP (capacitive) operating mode is intended for operating in combination with other Metrel measuring equipment. The built-in field detector is placed in the front end of the receiver. External detectors can be connected via the rear connector.
Page 249: Appendix C Structure Objects
Appendix C – Structure objects MI 3155 EurotestXD Appendix C Structure objects Structure elements used in Memory Organizer are instrument’s Profile dependent. Symbol Default name Description Node Node Object Object Dist. board Distribution board Sub D. Board Sub Distribution board Local bonding Local equipotential bonding Water Service...
Page 250 Appendix C – Structure objects MI 3155 EurotestXD Symbol Default name Description Foundation gr. Protective conductor for Foundation ground Equip. bond. rail Equipotential bonding rail House water m. Protection conductor for House water meter Main water p. Protection conductor for Main water pipes Main gr.
Page 251 Appendix C – Structure objects MI 3155 EurotestXD Symbol Default name Description Level 1 Level 1 Level 2 Level 2 Level 3 Level 3 Varistor Varistor LS connection LS connection Machine Machine Appliance Appliance (PRCD)
Page 252: Appendix D Default List Of Auto Sequences
 Appendix D – Default list of Auto Sequences MI 3155 EurotestXD Appendix D Default list of Auto Sequences Default list of Auto Sequences® for MI 3155 – Eurotest XD instrument is available on Metrel home page www.metrel.si.
Page 253: Appendix E Programming Of Auto Sequences On Metrel Es Manager
Appendix E Programming of Auto Sequences on Metrel ES Manager The Auto Sequence® editor is a part of the Metrel ES Manager software. In Auto Sequence® editor Auto Sequence® can be pre-programmed and organized in groups, before uploaded to the instrument.
Page 254: Managing Groups Of Auto Sequences
MI 3155 EurotestXD Appendix E An Auto Sequence® begins with Name, Description and Image, followed by the first step (Header), one or more measuring steps and ends with the last step (Result). By inserting appropriate Single tests (measurements and inspections) and Flow commands setting their parameters, arbitrary Auto Sequences®...
Page 255 MI 3155 EurotestXD Appendix E Figure E.5: Group of Auto Sequences® tree organization Operation options on Group of Auto Sequences® are available from menu bar at the top of Auto Sequence® Editor workspace. File operation options: Opens a file (Group of Auto Sequences®). Creates a new file (Group of Auto Sequences®).
Page 256 MI 3155 EurotestXD Appendix E Group of Auto Sequences® operation options (also available by right clicking on Folder or Auto Sequence®): Adds a new folder / subfolder to the group Adds a new Auto Sequence® to the group. Deletes: the selected Auto Sequence® the selected folder with all subfolders and Auto Sequences®...
Page 257: Auto Sequence® Name, Description And Image Editing
MI 3155 EurotestXD Appendix E E.3 Auto Sequence® Name, Description and Image editing When EDIT function is selected on Auto Sequence®, menu for editing presented on Figure E.6 appear on the screen. Editing options are: Name: Edit or change the name of Auto Sequence®. Description: Any text for additional description of Auto Sequence®...
Page 258: Search Within Selected Auto Sequence® Group
MI 3155 EurotestXD Appendix E E.4 Search within selected Auto Sequence® group When function is selected, Search menu as presented on Figure E.7 appear on the screen. By entering the text into search box, found results are automatically highlighted with yellow background.
Page 259: Elements Of An Auto Sequence
Result step. E.5.2 Single tests Single tests are the same as in Metrel ES Manager Measurement menu. Limits and parameters of the measurements can be set. Results and sub-results can’t be set. E.5.3 Flow commands Flow commands are used to control the flow of measurements.
Page 260: Creating / Modifying An Auto Sequence
MI 3155 EurotestXD Appendix E E.6 Creating / modifying an Auto Sequence® If creating a new Auto Sequence® from scratch, the first step (Header) and the last step (Result) are offered by default. Measurement steps are inserted by the user. Options Adding a measurement step By double clicking on a Single test a new...
Page 261: Description Of Flow Commands
MI 3155 EurotestXD Appendix E E.7 Description of flow commands Double click on inserted Flow Command opens menu window, where text or picture can be entered, external commands can be activated and parameters can be set. Flow commands Operation after end of test and Results screen are entered by default, others are user selectable from Flow Commands menu.
Page 262: Custom Inspections Programming
MI 3155 EurotestXD Appendix E Operation after end of test This flow command controls the proceeding of the Auto Sequence® in regard to the measurement results. Parameters Operation after end of test The operation can be individually set for the case the measurement passed, failed or ended without a status.
Page 263 MI 3155 EurotestXD Appendix E Figure E.8: Custom Inspection Editor workspace Custom Inspection Editor Main menu options: Opens existing Custom Inspection Data file. *.indf file containing one or By selecting, menu for browsing to location of more Custom Inspections data appear on the screen. Selected file is opened in dedicated tab marked with file name.
Page 264 MI 3155 EurotestXD Appendix E Edit Name and Scope of Inspection Inspection Name edit: Click to the Inspection Name field to start editing it. Drag cursor, with left mouse button pressed, to select letters and words. Position cursor and double-click to select word of the name. Actions could be performed with keyboard also.
Page 265: Applying Custom Inspections
E.8.2 Applying Custom Inspections Custom inspections can be applied in Auto Sequences®. Direct assignment of Custom inspection to the Metrel ES manager structure objects is not possible. After custom created Inspection Data file is opened, available inspections are listed in Custom Inspections tab of Single test area of Auto Sequence®...
Page 266: Appendix F Tests And Measurements With Adapters
MI 3155 EurotestXD Appendix F Appendix F Tests Measurements with adapters Voltage 1-phase (TN/TT)  1-phase (IT) 3-phase  Socket test basic(live) Riso 50 V – 1000 V  2500 V Riso all Diagnostic 50 V – 1000 V test 2500 V Varistor R low...
Page 267 MI 3155 EurotestXD Appendix F Utouch   Z auto  Z line  Z line 4W Voltage Drop  Earth 3W Earth 2 clamps Power Harmonics Currents ISFL Locator Discharging Time Illumination Diagnostic Test (EVSE)  Power CLAMP  Voltage CLAMP ...

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