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Summary of Contents for Gossen MetraWatt METRISO XTRA
- Page 1 Operating Instructions METRISO XTRA High-Precision Insulation, Low Resistance and Voltage Measurement Instrument 3-349-818-03 2/12.17...
- Page 2 – Interference voltage with device off – High test voltage at the measuring terminals during Riso/Rins Function Selector Switch Slot for Slot for Carrying Strap Carrying Strap Setup Menu METRISO XTRA Control panel Softkeys • Parameter selection • Limit value specification • Entry functions •...
- Page 3 Batteries, Fuses Inserting the Battery Holder (side view) Battery Compartment Lid Battery Holder Fuse Battery Holder Replacement Contacts Fuse Battery Compartment Lid Contact Spring User Interface Measuring Connections Option KS-C (Z541F) SHIELD GUARD Option Z550A* * Regarding Z550A: Test Probe with measurement key remote control and LED for illuminating the measuring point: Do not use when measuring PI and...
- Page 4 Overview of Device Settings and Measuring Functions Battery level Relative to Rotary Switch Setting Display panel indicator Measurement Switch Picto- Device settings, in progress Bar graph display Upper range limit setting, graph measuring functions see as of RISO RINS Insulation resistance Parameter RINS Voltage at the test probes...
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Page 5: Table Of Contents
Table of Contents Page Page Applications ..............6 Characteristic Values ............29 Optional Z550A Remote Control ..........6 Overview of Measuring Instrument Performance Maintenance ..............31 Features ..................6 12.1 Firmware Revision and Calibration Information ....... 31 12.2 Rechargeable Battery Operation and Charging ......31 Safety Features and Precautions ........ -
Page 6: Applications
GMC-I Article No. M550S Messtechnik GmbH. Measurement The METRISO XTRA insulation and resistance measuring instru- ✓ U = 50, 100, 250, 500, 1000 V ment allows for quick and efficient testing of protective measures ✓... -
Page 7: Safety Features And Precautions
Safety Features and Precautions If battery voltage has fallen below the allowable lower limit, the pictograph shown at the right appears. The instrument does not function if the batteries have been depleted The electronic measuring and test instrument is manufactured excessively, and no display appears. -
Page 8: Device Settings - Setup
Device Settings – SETUP SETUP Menu Selections for Operating Parameters LED and LCD test menu Battery test menu Display: date / time Display: automatic shutdown Brightness/contrast menu of the tester after 120 s. Time, language, profiles Display: automatic shutdown Software revision level of display illumination after 30 s. - Page 9 SETUP Menu Selection for Operating Parameters LED and LCD test menu Battery test menu Display: date / time Display: automatic shutdown Brightness/contrast menu of the tester after 45 s. Time, language, profiles Display: automatic shutdown Software revision level of display illumination after 15 s. Calibration date Adjusting Brightness and Contrast Set Time, Language, Profiles, Acoustic Signal...
- Page 10 Significance of Individual Parameters Attention! Data are lost when the language Test Instrument On-Time is changed, or if the instrument is The period of time after which the test instrument is automatically reset to its default settings! shut off can be selected here. This selection has a considerable Back up your measurement influence on the service life and the charging status of the batter- data to a PC with the help of...
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Page 11: General Operation
Switching On, Monitoring and Switching Off mend executing this test at regular intervals. If supply voltage drops to a value of less than 8.5 V, the METRISO XTRA Measuring Functions, Measuring Ranges and LOW BATT pop-up message appears: No more measurements Limit Values can be started. -
Page 12: Measurement Value Display And Memory
Measurement Value Display and Memory If the upper range limit is exceeded, the upper limit value is dis- played and is preceded by the “>” symbol (greater than), which The following appear at the display panel: indicates measurement value overrun. •... -
Page 13: Specifying Nominal Voltage For Uvar And Uramp
Specifying Nominal Voltage for Uvar and Uramp Nominal voltage can be freely selected within specified limits for the Uvar and Uramp measuring functions: Select the EDIT menu. Select value. Select value. ↵ Accept value. ✓Save value (to list). Delete characters = change cursor position. -
Page 14: Measuring Direct Alternating Voltage
Measuring Direct Alternating Voltage You can measure direct voltage, as well as sinusoidal alternating voltage with frequencies ranging from 45 to 65 Hz, with this test Direct voltage instrument. Alternating voltage Pulsating voltage Select Measuring Function (DC + AC TRMS) ➭... -
Page 15: Measuring Insulation Resistance
Measuring Insulation Resistance Semiautomatic Measurement in Multipole Systems Fast, semiautomatic polarity reversal is possible in all rotary switch Select Measuring Function positions for insulation resistance measurement. However, polar- ity selection is only relevant for documentation. ramp Fast Polarity Reversal The polarity parameter is set to AUTO1 (single-phase mains volt- age) or AUTO3 (3-phase mains voltage). -
Page 16: Measuring With Constant Test Voltage And Nominal Value Selection Via Rotary Switch Position
Measuring with Constant Test Voltage and Nominal Value Measurement with Constant Test Voltage and Variably Selection via Rotary Switch Position Adjustable Nominal Value A test voltage which deviates from nominal voltage, and is usually Set Parameters lower, can be selected for measurements at sensitive compo- Test voltage switch position: 50 V / 100 V / 250 V / 500 V / 1000 V nents, as well as systems with voltage limiting devices. -
Page 17: Measurement With Rising Test Voltage (Ramp Function) And Variably Adjustable Final Value
Measurement with Rising Test Voltage (ramp function) Insulation Resistance Measurement – Special Conditions and Variably Adjustable Final Value The “Uramp” rising test voltage function (ramp function) is used to Attention! detect weak points in the insulation, as well as to determine Insulation resistance can only be measured at voltage- response voltage for voltage limiting components. -
Page 18: Discharging The Device Under Test
DC measuring voltage from the METRISO XTRA is applied to the insulation for a duration of 10 minutes to this end. Measured val- ues are documented after one minute, and after ten minutes. If the insulation is good, the value measured after ten minutes is higher than the value measured after one minute. -
Page 19: 6.7.1 Absorption Index (Dar) - Dc Charging Test
6.7.1 Absorption Index (DAR) – DC Charging Test The selected polarization index menu is only displayed until the rotary switch is activated or the parameter is changed. The absorption index test is part of the polarization index test. Insulation resistance measurements are placed in relationship to one another after 30 and 60 seconds. -
Page 20: Measuring Resistance - Kohm Function
Measuring Resistance – kOhm Function Resistances of greater than 10 Ω and less than 10 kΩ are mea- Special Case: Measuring High-Value Resistance with the KS-C Probe sured in this switch position. Refer to section 9 regarding resis- tances of less than 10 Ω . Connection Select Measuring Function kΩ... -
Page 21: Measuring Low-Value Resistance Of Up To 10 Ohm (Protective Conductor And Equipotential Bonding Conductor)
Measuring Low-Value Resistance of up to Set Polarity Parameter (direction of current flow) 10 Ohm (protective conductor and equipotential bonding conductor) Polarity: ± to PE According to the regulations, the measurement of low-value resis- tance at protective conductors, earth conductors or bonding con- ductors must be performed with (automatic) polarity reversal of the test voltage, or with current flow in one direction (+ pole to PE) and then the other (–... - Page 22 Start Measurement Automatic Polarity Reversal After the measuring sequence has been started, the instrument performs measurement with automatic polarity reversal, first with current flow in one direction, and then in the other. If the difference between RLO+ and RLO– is greater than 10% with automatic polarity reversal, RLO+ and RLO–...
- Page 23 Evaluating of Measured Values See table, “Display Values in Consideration of Measuring Uncertainty”, on page 30. Calculation of Cable Lengths for Common Copper Conductors If the key is activated after performance of resistance measurement, the cable lengths corresponding to common con- ductor cross sections are displayed.
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Page 24: Database
Transfer a distributor structure from the PC to the test instru- A complete distributor structure with customer, building and distrib- ment. utor data can be created in the METRISO XTRA test instrument. • Transfer a distributor structure including measured values This structure makes it possible to assign measurements to dis- from the test instrument to the PC. -
Page 25: Creating Structures (Example For Electrical Circuit)
Distributor Structure Symbology / Tree Structure Icon Meaning A check mark to the right of a structural element means that all measurements Edit the selected structural element. within the respective hierarchy have been passed. x: At least one measurement has not been passed. No symbol: Measurement has not yet been performed. -
Page 26: 10.3.2 Searching For Structural Elements
Select a new object from a list. After selecting text search ... Select character Scroll up Select character Scroll down ↵ Accept character ✓ Save object designation Acknowledge selection Delete characters Character selection: Select the desired object from the list with the ↑↓ keys and ... -
Page 27: Saving Data And Generating Reports
10.4 Saving Data and Generating Reports Retrieving Saved Measured Values ➭ Switch the display to the distributor structure by pressing the Preparing and Executing a Measurement MEM key and select the desired electrical circuit with the scroll Measurements can be performed and stored to memory for each keys. -
Page 28: 10.4.1 Use Of Barcode Scanners And Rfid Readers
Data Evaluation and Report Generation with ETC Software 10.4.1 Use of Barcode Scanners and RFID Readers All data, including the distributor structure, can be transferred to Search for an Already Scanned Barcode the PC and evaluated with the help of ETC software. Additional The search can be started from any switch setting and menu. -
Page 29: Characteristic Values
Characteristic Values METRISO XTRA Open-Circuit Meas. Reso- Range Measuring Range Voltage Test Current Intrinsic Uncertainty Measuring Uncertainty Overload Capacity Qty. lution 0max 100 k 10 kΩ ... 99.9 kΩ 0.1 k 100 kΩ ... 999 kΩ 50 V /100 V: 10 M 1.00 MΩ... - Page 30 Displays Table for determining maximum display values for low-value resistance in consideration of the instrument’s measuring uncertainty. Digital display Multiple display with dot matrix Maximum Maximum 128 x 128 pixels, backlit (transflective), Limit Value Limit Value Display Value Display Value dimensions: 65 x 65 mm 0.15 Ω...
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Page 31: Maintenance
Maintenance 12.3 Fuses If a fuse has blown due to overload, a corresponding error mes- 12.1 Firmware Revision and Calibration Information sage appears at the display panel. The instrument’s voltage mea- suring ranges are nevertheless still functional. See section 3.4. 12.3.1 Melting Fuse 12.2 Rechargeable Battery Operation and Charging... -
Page 32: Housing
12.4 Housing Appendix No special maintenance is required for the housing. Keep outside 13.1 Sample Connection Layouts for Insulation Resistance surfaces clean. Use a slightly dampened cloth for cleaning. In par- Measurement ticular for the protective rubber surfaces, we recommend a moist, lint-free microfiber cloth. - Page 33 Insulation Resistance Measurement in Different Types of Systems TN–S • With or without consumer • N – PE, separately Attention: – Open the overcurrent protective device – Disconnect the N conductor – Jumper the L and N conductors – Insulation measurement between L conductors and N to PE –...
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Page 34: Error Messages
13.2 Error Messages The following pop-up windows must be acknowledged and/or cleared by any desired key and the cause of the error must be eliminated. Pop-Up Function Switch Function / Meaning Position Interference voltage All except U Remedy: Device under test must be disconnected from all sources of voltage. - Page 35 Pop-Up Function Switch Function / Meaning Position Database and Entry Operations The parameters you have selected do not make sense in combination with previously configured parameters. The selected parameter settings will not be saved. Remedy: Enter other parameter settings. Please enter a designation (alphanumeric). Operation with a Barcode Scanner Error message appears when the “EDIT”...
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Page 36: Attaching The Test Probe Holder To The Carrying Strap
13.3 Attaching the Test Probe Holder to the Carrying Strap 13.4 Technical Data for Measurement Cables (scope of delivery: KS17-4 safety cable set) Detach the strap from the instrument: Electrical Safety Turn out the slotted screw (M3) at the Maximum rated voltage 600 V 1000 V 1000 V... -
Page 37: Optional Accessories (Not Included)
13.5 Optional Accessories (not included) Master Battery Pack (material no. Z502H) 8 LSD NiMH rechargeable batteries with reduced self- discharging (AA) (eneloop/Sanyo), 2000 mAh with sealed cells Charger (material no. Z502R) Broad-range charger for charging batteries in the mea- suring instrument Input: 100 to 240 V AC, output: 16.5 V DC, 0.6 A IS0 Calibrator 1 (material no. -
Page 38: Repair And Replacement Parts Service Calibration Center And Rental Instrument Service
Repair and Replacement Parts Service Recalibration Calibration Center* and Rental Instrument The measuring tasks performed with your instrument, and the Service stressing it’s subjected to, influence aging of its components and may result in deviation from the specified levels of accuracy. If required please contact: In the case of strict measuring accuracy requirements, as well as GMC-I Service GmbH...
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