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ILLKO MDtest User Manual

Test and measurement equipment. 100-140 v
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USER'S
MANUAL
MDtest
(100-140 V)

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  • Page 1 USER’S MANUAL MDtest (100-140 V)

  • Page 2: Table Of Contents

    1.1 Safety ........1.2 Performance MDtest ......
  • Page 3 MDtest (100-140 V) - User’s Manual Contents 4.7.2 Enclosure (chassis) leakage current - I60601Touch ..36 4.7.3 Lead to ground (application part) leakage current - I60601Pat 4.7.4 Lead isolation – Mains on Applied Parts leakage current - I60601MAP .
  • Page 4 MDtest (100-140 V) - User’s Manual Contents 6.5.5 Menu - Erase database ..... . 54 6.5.6 Menu - Measurement locking ....54 6.5.7...

  • Page 5: Introduction

    Voltage 127 V / 50/60 Hz will be used in this manual hereinafter. In order to check the proper PE connection to a mains outlet, MDtest generates a continuous current of ca. 1.5 mA / 50 or 60 Hz to the PE conductor. This test current can activate the insulation monitoring device in IT systems.

  • Page 6: Performance Mdtest

    It is necessary to respect all safety regulations applicable to the particular measurement. Test Socket 1 of the MDtest must not be used for continuously powering the appliance. It is intended for test purposes only; max. test duration is 25 min @ 12 A and 60 s @ 12 16 A.

  • Page 7: Terms And Definitions

    MDtest (100-140 V) - User’s Manual 1 Introduction The MDtest is designed to perform electrical safety testing based on: IEC 62353:2014 IEC 60601-1 (only some tests) Terms and definitions Accessible conductive part The part of the ME equipment (other than the applied part), which is accessible to the patient, to the operator in contact with the patient or can come in contact with the patient.

  • Page 8: Description Of The Instrument

    Description of the instrument General description The MDtest instrument is designed to verify the safety of electrical appliances and medical devices in general. All AC measurements are measured by the method TRMS (true rms), and for some measurements the DC component value can be displayed.

  • Page 9: Terminals

    ID number which is unequivocally assigned to the respective DUT (barcode, RFID chip) the test structures created at the PC software can be loaded into the MDtest measurement data saved to the test instrument can be imported to PC software via the USB port and reports can be generated user-defined test sequences created at the PC software...
  • Page 10 MDtest (100-140 V) - User’s Manual 2 Description of the instrument Figure 1: Front panel and rear panel c 2018 ILLKO, s.r.o. Page 10 www.illko.cz...

  • Page 11: Keyboard

    MDtest (100-140 V) - User’s Manual 2 Description of the instrument Keyboard 12. [1 I ] – Alternative leakage current of the device 13. [2 I ] – Alternative leakage current of the patient parts 14. [3 R ] – Earth bond test 15.

  • Page 12: Graphic Oled Display

    MDtest (100-140 V) - User’s Manual 2 Description of the instrument Graphic OLED display a) Measured function b) Real time clock / Measuring is in progress c) Selected method and ID of DUT d) Measured value e) Actual function of context button (31)

  • Page 13: Users Interface Symbols

    MDtest (100-140 V) - User’s Manual 2 Description of the instrument Users interface symbols lock the TEST key ARET automatic lock the TEST key AUT.ARET displayed value is held HOLD L-N reversal in Test Socket 1 plug the test lead into the PAT terminal plug the test lead into the I 2kΩ...

  • Page 14: Abbreviations

    MDtest (100-140 V) - User’s Manual 2 Description of the instrument Abbreviations phase conductor neutral conductor protect earth conductor alternative (substitute) method differential method direct method 60601Earth protect conductor current – direct method (EN 60601-1) touch current – direct method (EN 60601-1)

  • Page 15: Included In The Set

    P 2012 - Test lead, blue, 2 m P 2021 - Extension lead, black, 5 m P 2030 - Test lead - connects up to 10 patient parts to MDtest P 3012 - Test tip, blue P 4011 - Crocodile clip, black...

  • Page 16: Putting Into Operation

    Make sure the correct nominal voltage (120 V or 127 V) is selected (see chapter 6.5.12) The MDtest can only be powered from 100 140 V / 50 or 60 Hz, which is protected with a fuse or circuit breaker with a maximum rating of 16 A. The instrument is automatically switched on after plugging into the mains outlet.

  • Page 17: Self-Test

    Disconnect DUT before the MDtest self-test! This test does not substitute for calibration! The MDtest has to be connected to TT or TN mains. The test result is displayed on the display using the symbols pass / fail. Test proceeds as follows: Disconnect the DUT.

  • Page 18: Measurements

    MDtest (100-140 V) - User’s Manual 4 Measurements Measurements Selection of the function The measured function can be selected automatically in sequence mode (see chap- ter 5.6) or manually (see Figure 3). Figure 3: Keyboard Measurement mode control The beginning, process and ending of measurements are controlled by the [TEST] key.

  • Page 19: Hold Function

    MDtest (100-140 V) - User’s Manual 4 Measurements Automatically locking the measurement – this function can be set in the menu Setup. Measuring is similar to Locking the measurements but the [# ARET] key is not used. Measuring in process is indicated by the symbol 4.2.2...

  • Page 20: Earth Bond - Rpe

    (Interference voltage at the input) is displayed. This status is a dangerous fault condition; disconnect the DUT from the MDtest im- mediately to avoid damage! Resistance measurement is also possible if the MDtest is connected to the IT mains. We recommend performing the measurements for a max. of 30 secs.

  • Page 21: Test Lead Resistance Compensation

    MDtest (100-140 V) - User’s Manual 4 Measurements 4.3.1 Test lead resistance compensation Compensation means that the test lead resistance is measured and then automatically memorized and subtracted from all Rpe measurements. The real earth bond resistance is thus displayed. The compensation constant remains in the instrument’s memory even if the instrument...

  • Page 22: Insulation Resistance - Riso

    If only >10.00 Ω is displayed it means that the measured earth bond resistance is higher than the maximal value which can be measured by MDtest. The maximal value is the sum resistance of the test leads and the resistance of the earth bond!
  • Page 23 MDtest (100-140 V) - User’s Manual 4 Measurements Figure 6: RisoAP-PE measurement Figure 7: RisoM-AP measurement c 2018 ILLKO, s.r.o. Page 23 www.illko.cz...
  • Page 24 DUT is de-energized. If so, then an acoustic signal sounds and the display shows a warning message (Interference voltage at the input). Resistance measurement is also possible if the MDtest is con- nected to the IT mains. Procedure: Press the [6 R ] key and release it.

  • Page 25: Enclosure Leakage Current According To En 62353

    – RISK OF ELECTRIC SHOCK! The test voltage is max. 127 V / 50 or 60 Hz, and the short circuit current is approximately 1.5 mA. Leakage current measurement is also possible if the MDtest is con- nected to the IT mains. Procedure: Press the [1 I ] key and release it.

  • Page 26: Pe Current During Operation - Idireq

    Do not touch the exposed conductive parts of the tested object after the mains switch is switched on! The MDtest is equipped with an electronic check for excessive leakage current during measurement. If the leakage current exceeds the limit value of approximately 10 mA, then the mains voltage is disconnected from the Test Socket 1.
  • Page 27 (chapter 4.4). Then you can carry out the leakage current measurement! The DUT must be isolated from the ground (from the earth potential) during measurement! Test Socket 1 of the MDtest must not be used for continuous power supply of the appliance! Procedure: Press the [4 I ] key and release it.

  • Page 28: Differential Leakage Current - Idifeq

    (chapter 4.4). Then you can carry out the leakage current measurement! Test Socket 1 of the MDtest must not be used for continuous power supply of the appliance! c 2018 ILLKO, s.r.o.
  • Page 29 MDtest (100-140 V) - User’s Manual 4 Measurements Procedure: Press the [7 I ] key and release it. If the measurement with open PE can be performed, press the [OpenPE] key. Press the [Eq] or [OpenPE] keys repetitively in order to measure with L-N reversal.

  • Page 30: Leakage Current From The Application Parts According To En 62353

    – RISK OF ELECTRIC SHOCK! The test voltage is max. 127 V / 50 or 60 Hz and the short circuit current is approximately 1.5 mA. Leakage current measurement is also possible if the MDtest is con- nected to the IT mains. Procedure: Press the [2 I ] key and release it.

  • Page 31: Direct Method - Idirpat

    (chapter 4.4). Then you can carry out the leakage current measurement! Test Socket 1 of the MDtest must not be used for continuous power supply of the appliance! c 2018 ILLKO, s.r.o.
  • Page 32 MDtest (100-140 V) - User’s Manual 4 Measurements Procedure: Press the [5 I ] key and release it. Press the [Rever] key repetitively in order to measure with L-N reversal. The symbol L-N reversed is displayed. Connect the tested appliance: plug in its mains plug into Test Socket 1 and plug the applied part into the PAT terminal.

  • Page 33: Direct Method, Dut With An Internal Electrical Power Source - Idirpatb

    – RISK OF ELECTRIC SHOCK! The test voltage is max. 127 V / 50 or 60 Hz and the short circuit current is approximately 1.5 mA. Leakage current measurement is also possible if the MDtest is con- nected to the IT mains. Procedure: Press the [8 I ] key and release it.

  • Page 34: Leakage Currents According To Iec En 60601-1

    MDtest (100-140 V) - User’s Manual 4 Measurements Leakage currents according to IEC EN 60601-1 WARNING Leakage currents (according to EN 60601-1) are measured by the same measurement methods as leakage current, which is specified in chapter 4.5.2. Therefore, all safety warnings and operating instructions apply for these measurements as to those measured leakage currents listed in chapter 4.5.2.

  • Page 35: Earth Leakage Current - I60601Earth

    MDtest (100-140 V) - User’s Manual 4 Measurements 4.7.1 Earth leakage current (direct method) - I60601Earth Figure 14: I60601Earth measurement Outlet conditions: - Normal Polarity - Reversed Polarity - Normal Polarity, Open Neutral - Reversed Polarity, Open Neutral Procedure: Press the [* UTIL] key and release it. Then press the [1] key and release it.

  • Page 36: Enclosure (Chassis) Leakage Current - I60601Touch

    MDtest (100-140 V) - User’s Manual 4 Measurements 4.7.2 Enclosure (chassis) leakage current (direct method) - I60601Touch Figure 15: I60601Touch measurement Outlet conditions: - Normal Polarity - Reversed Polarity - Normal Polarity, Open Neutral - Reversed Polarity, Open Neutral - Normal Polarity, Open PE...

  • Page 37: Lead To Ground (Application Part) Leakage Current - I60601Pat

    MDtest (100-140 V) - User’s Manual 4 Measurements 4.7.3 Lead to ground (application part) leakage current (direct method) - I60601Pat Figure 16: I60601Pat measurement Outlet conditions: - Normal Polarity - Reversed Polarity - Normal Polarity, Open Neutral - Reversed Polarity, Open Neutral...

  • Page 38: Lead Isolation - Mains On Applied Parts Leakage Current

    MDtest (100-140 V) - User’s Manual 4 Measurements 4.7.4 Lead isolation – Mains on Applied Parts leakage current (direct method) - I60601MAP Figure 17: I60601MAP measurement Outlet conditions: - Normal Polarity, Normal Polarity Isolation transformer - Normal Polarity, Reversed Polarity Isolation transformer...

  • Page 39: Other Leakage Currents

    MDtest (100-140 V) - User’s Manual 4 Measurements Other leakage currents 4.8.1 Alternative method - IaltEq The measuring method is similar to Alternative method - IaltEq (chapter 4.5.1), but the applications parts are not connected. The test lead connect to the I 2kΩ...
  • Page 40 MDtest (100-140 V) - User’s Manual 4 Measurements Figure 20: IdifEq measurement WARNING These leakage currents are measured by the same measurement meth- ods as leakage currents, which are specified in chapters 4.5.2 or 4.5.3. Therefore, all safety warnings and operating instructions apply for these measurements as to those measured leakage currents listed in chapters 4.5.2 or 4.5.3.

  • Page 41: Enclosure Leakage Current - Idirtouch / Idiftouch

    MDtest (100-140 V) - User’s Manual 4 Measurements 4.8.3 Enclosure leakage current (direct method or differential method) - IdirTouch / IdifTouch Figure 21: IdirTouch measurement Figure 22: IdifTouch measurement WARNING Enclosure leakage currents are measured by the same measurement methods as leakage currents which are specified in chapters 4.5.2 or 4.5.3.
  • Page 42 MDtest (100-140 V) - User’s Manual 4 Measurements Procedure: Press the [4 I ] key (direct method) or the [7 I ] key (differential method) and release it. Then press the [Touch] key and release it. Press the [Touch] key repetitively in order to measure with L-N reversal. The symbol L-N reversed is displayed.

  • Page 43: Apparent Power, Mains Voltage And Current Consumption - Power

    Do not touch the exposed conductive parts of the tested object after the mains switch is switched on – RISK OF ELECTRIC SHOCK! WARNING Test Socket 1 of the MDtest must not be used for continuous power supply of appliance! Procedure: Press the [9 Power] key and release it.

  • Page 44: Measuring Of Power And Current Consumption By Means Of Current Clamp

    WARNING It is important to observe these principles for proper measurement: Both the MDtest and the tested appliance must be powered from iden- tical phase. Procedure: Press the [9 Power] key repeatedly in order to select the external method.

  • Page 45: Database Operations

    A set of data can be stored for each appliance. Data can be created and transferred to the MDtest from a PC and other data is created during the measurement. Each set of data (file) has its unique identification number (ID) assigned.

  • Page 46: Entering Characters

    MDtest (100-140 V) - User’s Manual 5 Database operations The data stored in the temporary memory can be displayed after se- lecting the appropriate quantity. If a memory cell in the temporary memory is empty, the symbol is displayed. Entering characters In this mode the text, setting, etc.

  • Page 47: Working With Test Results

    MDtest (100-140 V) - User’s Manual 5 Database operations The ID number should be entered before the start of the measurement. If the ID number already exists in the main memory (e.g. was trans- ferred from a PC), then the data is loaded into temporary memory. If the user forgot to enter the ID number before the start of the mea- surement, it is possible to enter it before saving the data file into the...

  • Page 48: Searching For Stored Duts

    If the ID number is not found, the message will be displayed and triple beep sounds. For manual searching press the [ent] key and insert the ID number via the MDtest keypad and then press the [ent] key again. DUT can be also selected directly from the list (database). Press the [ ] or [ ] keys to open the database.

  • Page 49: Modification Of The Id Number

    MDtest (100-140 V) - User’s Manual 5 Database operations When removing more records at once follow in a similar way - use the [Mark] key. WARNING Deleting records will not free up more space in the main memory. The memory is released only when the complete memory is erased (manually in the menu or before loading new data from the PC).

  • Page 50: Modification Of Measured Values And Evaluation

    PC software. The steps of measurement are selected from the se- lection and become part of the definition of the appliance. The process can include all variables that the measuring device MDtest allows. Furthermore, you can define their order.

  • Page 51: Assigning A Test Sequence To Appliance

    file’s data. The test sequence is automati- cally activated before starting the measurement. If the file does not contain the loaded data for an test sequence, the appliance can assign any of the procedures stored on the MDtest (see chapter 6.3). 5.6.4 Using the test sequence...

  • Page 52: Instrument Main Menu

    MDtest (100-140 V) - User’s Manual 6 Instrument main menu Instrument main menu Main menu structure DUT properties – Measured values – Visual inspection result – Functional test result – Measurement result Test sequences Empty file Setup – System info –...

  • Page 53: Menu - Measurement Result

    Press the [ent] key to check each individual step in the test sequence. Press the [Load] key to assign the test sequence to DUT. The list of test sequences cannot be modified in MDtest – it is trans- ferred from the PC software.

  • Page 54: Menu - Self-Test

    The value is transmitted to the PC software. 6.5.3 Menu - Self-test This option can be performed to verify the functionality of the MDtest. Disconnect equipment under test before the self-test. The self-test does not replace calibration. The procedure is described in chapter 3.2.

  • Page 55: Menu - Save Last Method

    PC software. Press the [ent] key to enter this submenu. Insert the date and time via the MDtest keypad and confirm by the [ent] key or press the [esc] key to return without saving the changes.

  • Page 56: Additional Informations

    (drivers must be installed on the PC for the proper use of USB communica- tion). If the MDtest is in the mode of working with databases, shut it down and set the device to measuring mode. Before transferring data from a PC to the MDtest, memory will be erased.
  • Page 57 Please, use the original leads only. Interference voltage in the mains If during measurement a greater interference in the mains occurs, the MDtest disables the measuring and the warning message (Figure 25) appears. In this case, repeat the measurement later.
  • Page 58 MDtest (100-140 V) - User’s Manual 7 Additional informations Figure 26: Warning message: Current >10.00 mA Measuring - time limit If the time of measuring exceeds the allowed limit (according to the appliance’s current - see chapter 2.1), power supply is disconnected from the Test Socket 1, then an acoustic signal sounds and the display shows the warning message (Figure 27).
  • Page 59 MDtest (100-140 V) - User’s Manual 7 Additional informations Empty database When you try to view a list of appliances with an empty memory, then an acoustic signal sounds and the display shows the warning message (Figure 30). Figure 30: Warning message: Empty database...
  • Page 60 MDtest (100-140 V) - User’s Manual 7 Additional informations ID is already in database When you enter an ID which is already in the database, then an acoustic signal sounds and the display shows the warning message (Figure 33). Figure 33: Warning message: ID is already in database Test leads: Rpe >2.0 Ω...
  • Page 61 When low Rpe values are measured, it may overheat the internal circuit of the MDtest. We recommend performing the measurements for a max. of 30 secs. (only for value <10.00 Ω). If the temperature inside exceeds the allowed limit, the symbol (Figure 37) is displayed and the acoustic signal sounds.

  • Page 62: Operational Information

    MDtest (100-140 V) - User’s Manual 7 Additional informations 7.2.2 Operational information Measuring in progress An animated symbol indicates that the measurement is running (Figure 38). It is displayed only during measurement and a LED indicator 33 simultaneously flashes. Figure 38: Measuring in progress...
  • Page 63 MDtest (100-140 V) - User’s Manual 7 Additional informations HOLD function By pressing and releasing the [ ] key, the last measured value is displayed even if the measurement has either ended or is in progress. The HOLD function can be cancelled (measurement is still in progress) by pressing and releasing the [ ] key.

  • Page 64: Setting Information

    MDtest (100-140 V) - User’s Manual 7 Additional informations 7.2.3 Setting information Test leads compensation The test leads’ resistance is measured and then automatically memorized and sub- tracted from Rpe measurement (see chapter 4.3.1). Figure 45: Test leads compensation Incorrect compensation for the test leads...

  • Page 65: Database Information

    It is advised to execute an instrument RESET in the event of a malfunction. Dis- connect the MDtest from mains, wait 30 s and plug it in again. If problems occur with the database system of MDtest, please reset the device and erase the memory (see chapter 6.5.5).

  • Page 66: Utilization Of Other External Adapters

    Connect the banana plug adapter into the R terminal, plug the adapter into Test Socket 1 on the front panel MDtest and perform the test lead resistance compensa- tion of the adapter (see chapter 4.3.1). Then connect the plug of the measured extension cord into Test Socket 1, lock the measurement (see chapter 4.3) and plug the adapter into the socket of the tested...

  • Page 67: Recurrent Tests And Testing After Repair

    7 Additional informations Recurrent tests and testing after repair The MDtest is powered with a mains voltage of 127 V / 50 or 60 Hz and therefore all recurrent tests and testing after repair should be done in accordance with local regulations.

  • Page 68: Calibration And Service

    WARNING Unauthorized persons are not allowed to open the MDtest. There are no replaceable components inside the instrument. Please remember to include your address, email contact, phone number and de- scription of any faults with the package.

  • Page 69: Technical Specification

    MDtest (100-140 V) - User’s Manual 8 Technical specification Technical specification General data Protective class ..........II (double insulation) Over voltage class .

  • Page 70: Insulation Resistance

    MDtest (100-140 V) - User’s Manual 8 Technical specification 8.2.2 Insulation resistance Entire measuring range ........0.100 100.0 MΩ...

  • Page 71: Direct Leakage Current (Trms Ac+Dc Value)

    MDtest (100-140 V) - User’s Manual 8 Technical specification 8.2.4 Direct leakage current (TRMS AC+DC value) Entire measuring range ........0.000 10.00 mA...

  • Page 72: Leakage Current By Means Of Three-Phase Adapter

    MDtest (100-140 V) - User’s Manual 8 Technical specification 8.2.7 Leakage current by means of three-phase adapter Entire measuring range ........0.00 20.00 mA...

  • Page 73: Declaration Of Conformity

    Statement of Conformity: Based on sample product test result using appropriate standards, and in accordance with the folloving EC directives ILLKO, s.r.o. hereby declares the MDtest (IL2550) to be in conformity with: EC Directive LVD 2006/95/EC EC Directive EMC 2004/108/EC...
  • Page 74 When the firmware was upgraded, please check our website www.illko.cz for modified User’s manual. Copyright c 2018, ILLKO, s.r.o. Copying or any other way of duplication of this document or its parts is allowed with antecedent written permission of ILLKO, s.r.o. only!

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