METREL BetaPAT MI 2141 User Manual
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METREL BetaPAT MI 2141 User Manual

Portable appliance testers
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Portable Appliance Testers
OmegaPAT MI 2140
BetaPAT MI 2141
User Manual
Ver. 1.2. Code No. 20 750 684

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Summary of Contents for METREL BetaPAT MI 2141

  • Page 1 Portable Appliance Testers OmegaPAT MI 2140 BetaPAT MI 2141 User Manual Ver. 1.2. Code No. 20 750 684...
  • Page 2 Mark on your equipment certifies that this equipment meets the requirements of the EU (European Union) concerning safety and interference causing equipment regulations © 2002…2007 Metrel No part of this publication may be reproduced or utilized in any form or by any means without permission in writing from METREL.

  • Page 3: Table Of Contents

    MI 2140 MI 2140 Omega &BetaPAT Table of contents 1. 1. General presentation ------------------------------------------------------------------------------5 1.1. Safety in use -----------------------------------------------------------------------------------------5 1.2. Features -----------------------------------------------------------------------------------------------6 1.3. Connection--------------------------------------------------------------------------------------------7 1.4. Applied standards -----------------------------------------------------------------------------------7 2. 2. Instrument description----------------------------------------------------------------------------8 2.1 Front panel description -----------------------------------------------------------------------------8 2.2. Instrument messages -----------------------------------------------------------------------------9 3.
  • Page 4 MI 2140 MI 2140 Omega &BetaPAT General presentation 6.1. Inspection ------------------------------------------------------------------------------------------- 55 6.2. After sales service -------------------------------------------------------------------------------- 55 6.3. Replacing the fuses------------------------------------------------------------------------------- 55 6.4. Cleaning --------------------------------------------------------------------------------------------- 55 7. General information --------------------------------------------------------------------------------- 56 8. Sets and Accessories ------------------------------------------------------------------------------ 57 9. Appendix 1 --------------------------------------------------------------------------------------------- 58...

  • Page 5: General Presentation

    MI 2140 MI 2140 Omega &BetaPAT General presentation 1. 1. General presentation 1.1. Safety in use • If the test equipment is used in manner not specified in this user manual the protection provided by the equipment may be impaired! •...

  • Page 6: Features

    MI 2140 MI 2140 Omega &BetaPAT General presentation Other terminals ........Disconnect equipment from instrument during the test except for the IEC CORD EARTH BOND equipment under test. IEC cord connector is for test purposes only; do not connect it to mains supply! Dangerous voltage is present on the test sockets during...

  • Page 7: Connection

    MI 2140 MI 2140 Omega &BetaPAT General presentation 1.3. Connection The tester may be powered with 115 V or 230 V supply voltage, and will test appliances for both voltages (depending on supply voltage). LED indicator adjacent to the test socket denotes which test socket is active.

  • Page 8: Instrument Description

    MI 2140 MI 2140 Omega &BetaPAT Instrument description 2. 2. Instrument description 2.1 Front panel description FLASH 115V~/ 230V 50/60 Hz T16A/250V IEC CORD EARTH BOND T16A/250V BARCODE / PRINTER RS232C Fig. 2.1 Front panel layout Legend: 1. Power ON/OFF switch with indication lamp. 2.

  • Page 9: Instrument Messages

    MI 2140 MI 2140 Omega &BetaPAT Instrument description 10. Cursor keys: • UP / DOWN key, to increase / decrease edited value, • LEFT / RIGHT key, to move between edited values, • ENTER key, to confirm selection in menu. 11.
  • Page 10 MI 2140 MI 2140 Omega &BetaPAT Instrument description An external voltage is on test socket – VOLTAGE ON present check measurement circuit. SOCKET FROM APPLIANCE M e a s u r e m e n t i s A B O R T E D The instrument was overheated during the measurement of earth bond –...

  • Page 11: Technical Specification

    MI 2140 MI 2140 Omega &BetaPAT Instrument description 3. 3. Technical specification 3.1 Earth bond test Earth bond resistance (4 A, 10 A, 25 A) Range R Resolution Accuracy (after calibration) 0.00 –1.99 Ω 0.01 Ω ±(5 % of reading + 3 digit) 2.00 –19.99 Ω...

  • Page 12: Substitute Leakage Test

    MI 2140 MI 2140 Omega &BetaPAT Instrument description 3.2 Substitute leakage test Substitute leakage current readout Range Resolution Accuracy ±(10 % of reading + 5 digit) 0.00 – 19.99 mA 0.01 mA Short circuit current: < 30 mA Open circuit voltage: 40 V AC Displayed substitute current is calculated to 115 V, 230 V, depending on mains voltage Limits: 0.25 mA, 0.50 mA, 0.75 mA, 2.50 mA, 3.50 mA, 7.00 mA, 9.90 mA, 15.00 mA...

  • Page 13: Touch Leakage Current

    MI 2140 MI 2140 Omega &BetaPAT Instrument description Power readout Range Resolution Accuracy ±(5 % of reading + 3 digit) 0.00 – 4.00 kVA 0.01 kVA Timer: 2 s, 3 s, 5 s, 10 s, 30 s, 60 s, 120 s, 180 s Output: 115 V or 230 V socket 3.5 Touch leakage current Touch leakage current readout...

  • Page 14: Measurements

    MI 2140 MI 2140 Omega &BetaPAT Instrument description 4. Measurements 4.1. Presentation of results 4.1.1. PASS / PASS * / FAIL result Depending on the limit set in the selected test, the result is marked either with a PASS or FAIL message. Limits are shown in the upper right corner of the display. The message is always displayed as well as the actual measured result (except in visual test).

  • Page 15: Single Mode

    MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.2 Earth bond display example →Press key F2 (HELP)→ → Press PgUp → Fig. 4.3 Help example for earth Fig. 4.4 Help for reasons of failed bond test connection earth bond test 4.3.

  • Page 16: Earth Bond Test

    MI 2140 MI 2140 Omega &BetaPAT Instrument description 4.3.1. Earth bond test The purpose of this test is to ensure that the resistance of connections between the earth wire in the mains supply plug and the grounded metal parts of an appliance is below allowed limits.
  • Page 17 MI 2140 MI 2140 Omega &BetaPAT Instrument description How to carry out single Earth Bond resistance measurement: STEP 1. In the MAIN MENU window select SINGLE TEST and confirm with the ENTER key. STEP 2. In the SINGLE TEST window select EARTH BOND and confirm with the ENTER key.

  • Page 18: Insulation Test

    MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.10 Good result example Fig. 4.11 Bad result example The test can be aborted with the STOP key at any time, but in such case there is no PASS / FAIL decision. Fig.
  • Page 19 MI 2140 MI 2140 Omega &BetaPAT Instrument description CLASS APPLIANCE UNDER TEST Fig. 4.13 Connection of Class I appliance Insulation test of Class II appliances For Class II appliances (and non-earthed parts of Class I appliances), the test voltage is applied between the live pins (L and N lines are shorted together in the tester) and the earth bond test clip that is attached to the metal parts of the appliance.
  • Page 20 MI 2140 MI 2140 Omega &BetaPAT Instrument description How to carry out single Insulation resistance measurement: STEP 1. In MAIN MENU window select SINGLE TEST and confirm with the ENTER key. STEP 2. In the SINGLE TEST window select INSULATION and confirm with the ENTER key.

  • Page 21: Substitute Leakage Test

    MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.19 Indication of aborted measurement Notes: • The appliance under test should be de-energized before the test. • Consider any warning on the display (see Chapter 2.2) before starting measurement. • Do not touch the equipment under test during the test or before it is fully discharged.
  • Page 22 MI 2140 MI 2140 Omega &BetaPAT Instrument description Substitute leakage current test of Class II appliances For Class II appliances earth bond test clip is used as a substitute for PE. Ensure that the connected metal part is not in contact with external ground connection (see picture). CLASS APPLIANCE UNDER...

  • Page 23: Flash Test (Mi2140 Only)

    MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.23 Good result of substitute leakage Fig. 4.24 Bed result of substitute leakage current test current test The test can be aborted with the STOP key at any time, but in such case there is no PASS / FAIL decision.
  • Page 24 MI 2140 MI 2140 Omega &BetaPAT Instrument description CLASS APPLIANCE UNDER TEST Fig. 4.26 Flash test connection for Class I appliance Flash test of Class II appliances For Class II appliances the test voltage (3 kV ) is applied between mains pins (L and N are shorted together in the tester) and the flash probe tip.
  • Page 25 MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.28 Flash test initial display STEP 4. Press the START key to perform test. A trip out occurs if the current exceeds the set limit, followed by a 3 seconds buzzer warning. STEP 5.

  • Page 26: Leakage Current And Power Test

    MI 2140 MI 2140 Omega &BetaPAT Instrument description 4.3.5. Leakage current and Power test The purpose of this test is to determine the loss of L to N current into PE. Leakage current is the difference between the current in L and N mains lines. Regardless of whether the current leaks into the earth lead or an extra ground point, the leakage test will show the true leakage current.
  • Page 27 MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.34 Leakage current and power test initial display STEP 4. Press the START key to perform test. STEP 5. PASS/FAIL result is shown on the display. Repeat the test with the START key or return to SINGLE MODE main screen with the ESC key.

  • Page 28: Touch Leakage Current

    MI 2140 MI 2140 Omega &BetaPAT Instrument description 4.3.6. Touch leakage current The purpose of this test is to check what level of current would flow to ground if a person touches a metal part of an appliance. The human body is simulated with a 2 kΩ resistor.
  • Page 29 MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.40 Touch leakage test initial display STEP 4. Press the START key to perform test. STEP 5. PASS / FAIL result is shown on the display. Repeat the test with the START key or return to SINGLE MODE main screen with the ESC key.

  • Page 30: Polarity Test

    MI 2140 MI 2140 Omega &BetaPAT Instrument description 4.3.7. Polarity test The purpose of this test is to check the continuity and polarity of the mains supply cable. Following faults are detected: L-PE shorted, N-PE shorted, L-N shorted, L open, N open, PE open, N-PE crossed, L-PE crossed, L-N crossed, multiple fault.

  • Page 31: Autotest

    All limits and tests are in accordance with currently valid standards and regulations. In case of any changes new firmware (with new standards and limits) is available on-line at your distributor or from Metrel directly. Fig. 4.48 Example for Autotest of Fig.
  • Page 32 MI 2140 MI 2140 Omega &BetaPAT Instrument description Two autotest shortcut examples are shown in the pictures above. The complete list of measurements and codes can be found in Appendix 1 at the end of this manual. For operation of a barcode reader see chapter 5.2. APPLIANCE TYPE Portable or Handheld Appliances IT (Information Technology) equipment (EN60950)
  • Page 33 MI 2140 MI 2140 Omega &BetaPAT Instrument description • LONG can be used if the appliance has a very long supply cord (for instance, for vacuum cleaners the cord is longer than 15 m). APPLIANCE FUSE 3 A (750 VA), 6 A (1.5 kVA), 10 A (2.5 kVA), 13 A (3.2 kVA) Notes: •...

  • Page 34: Autotest - Custom

    MI 2140 MI 2140 Omega &BetaPAT Instrument description CODE Each of the possible test combinations has its own three-number code. By entering the three-digit code the appropriate test will be set. The parameters of the selected autotest (enabled tests, limits, and duration) can be viewed by pressing the F1 (VIEW) key.
  • Page 35 MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.51 Example of preparing custom test The parameters of the selected procedure (enabled tests, limits, and duration) can be viewed by pressing the F1 (VIEW) key. By pressing the UP and DOWN keys individual measurement settings (function enabled/disabled, duration, limit) can be seen in the right of the display.

  • Page 36: Performing Of Autotests

    MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.52 Parameter modification example Fig. 4.53 Confirmed parameters of selected autotest Adding a new custom test procedure to the list By pressing the F3 (SAVE AS) key it is possible to save the selected settings (parameters) and adding them to the end of the list in autotest –...
  • Page 37 MI 2140 MI 2140 Omega &BetaPAT Instrument description If the measurement is skipped (before the measurement, after aborting it or after completion) it will be internally treated as a FAIL result (to assure safety for the user). If a FAIL result is given (due to a FAIL or skipped Earth Bond/Insulation/Substitute Leakage test) the Flash/Leakage/Touch leakage measurements will be skipped to ensure safety.
  • Page 38 MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.57 Good result Fig. 4.58 Bad result Fig. 4.59 Aborted test If the test passes, the instrument automatically proceeds with the Insulation test or Substitute Leakage test (if applied and if in single mode). Pressing the START key will move to the next function (single mode) or a new earth bond test (continuous mode).
  • Page 39 MI 2140 MI 2140 Omega &BetaPAT Instrument description Pressing the START key will move to the next function (single mode) or a new insulation test (continuous mode). Pressing the F2 key will display the HELP menu. Pressing the F3 key will repeat the test. Pressing the F4 key will skip the test and move to the next test.
  • Page 40 MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.68 Flash test waiting for right connection After performing the measurement one of the following displays will be shown indicating the result. Fig. 4.69 Good result Fig. 4.70 Bad result Fig. 4.71 Aborted test The test can only proceed if the Flash test has passed.
  • Page 41 MI 2140 MI 2140 Omega &BetaPAT Instrument description Fig. 4.73 Good result Fig. 4.74 Bad result Fig. 4.75 Aborted test The test can only proceed if the Leakage/Power test has passed. If not the appliance test is ended. Pressing the START key will move to the next function (single mode) or a new leakage test (continuous mode).
  • Page 42 MI 2140 MI 2140 Omega &BetaPAT Instrument description Pressing the F3 key will repeat the test. Pressing the F4 key will skip the test and move to the next test. Pressing the F5 key will end (abort) the test. Continuation is allowed only if the Touch Leakage test has passed. If not the appliance test is ended.

  • Page 43: Storing Autotest Results

    MI 2140 MI 2140 Omega &BetaPAT Instrument description 4.8. Storing autotest results After completing the appliance test the SAVE RESULT display will appear. Fig. 4.83 Save result menu By using the keyboard the user can enter all relevant details, such as number and name of appliance, building, room, repair code and desired comments (the user is predefined in the EDIT USERS menu –...
  • Page 44 MI 2140 MI 2140 Omega &BetaPAT Instrument description COMMENT Any desired comments can be added in this field. Pressing the F1 (SAVE) will save the measurements into memory. After saving the results the instrument returns to the PERFORM APPLIANCE TEST display. Pressing the F3 (SEND): the instrument goes into SEND RESULTS menu.

  • Page 45: Instrument Operation

    MI 2140 MI 2140 Omega &BetaPAT Instrument operation 5. Instrument operation 5.1. Setup It is advisable to create some settings before starting to use the instrument. This is done in the SETUP function. Fig. 5.1 Set-up menu From the MAIN MENU window select SETUP and confirm with the ENTER key. 5.1.1.

  • Page 46: Set Print Header

    MI 2140 MI 2140 Omega &BetaPAT Instrument operation Fig. 5.3 Language selection 5.1.3. Set print header Select PRINT HEADER with the ENTER key and change it by pressing the F1 (EDIT) key. Use the alphanumeric keyboard to enter all the desired data. Pressing the F1 (SAVE) key will save the data, by pressing the F2 (UNDO) key it is possible to reset the previous values and using the ESC key leaves these settings unchanged.

  • Page 47: Original Settings

    MI 2140 MI 2140 Omega &BetaPAT Instrument operation Fig. 5.7 Contrast modification 5.1.6. Original settings In this menu the configuration can be reset to the values set when the tester was first purchased. Select ORIGINAL SETTINGS with the ENTER key. By pressing the Y key the reset is confirmed, by pressing the N or ESC key the reset is cancelled.

  • Page 48: Password

    MI 2140 MI 2140 Omega &BetaPAT Instrument operation 5.1.7. Password In password protected actions it is necessary to insert the password before deleting or editing the protected data. The instrument requires a password and it will not allow changes unless the correct password is entered. Select PASSWORD with the ENTER key.

  • Page 49: Autotests Controlled By Test Code (Use Of Barcode Reader)

    MI 2140 MI 2140 Omega &BetaPAT Instrument operation 5.2. Autotests controlled by test code (use of barcode reader) In the Autotest – Shortcut menu it is possible to set the testing procedure by test code. By using the keyboard or a barcode reader it is possible to set the three number test sequence for an appliance test.

  • Page 50: Recall / Delete / Send Memory

    MI 2140 MI 2140 Omega &BetaPAT Instrument operation Fig. 5.14 User name modification By pressing the F2 (UNDO) key it is possible to reset the previous values and using the ESC key leaves these settings unchanged. After saving the name(s) of the user(s), select the temporary user by highlighting the appropriate name and confirming it by the ENTER key.
  • Page 51 MI 2140 MI 2140 Omega &BetaPAT Instrument operation All results obtained in year 2001 and 2003 will be found. All filters of different type will narrow search results. Example 2: Fig. 5.17 Adding user filter All results of User 1, obtained in year 2001 and 2003 will be found. Other users won’t be considered.
  • Page 52 MI 2140 MI 2140 Omega &BetaPAT Instrument operation Fig. 5.19 Additional content filter After completion of the search the RECALL MEMORY menu is shown, where it is possible to see the overall result for each measurement. To see test results for the selected appliance press the ENTER key and return back with the ESC key.
  • Page 53 MI 2140 MI 2140 Omega &BetaPAT Instrument operation Deleting memory By pressing the F5 (DELETE) key in the RECALL MEMORY menu it is possible to delete a selected measurement, all selected measurements, or all saved measurements. By using the DOWN key select the desired option and press the F5 (DELETE) key again.
  • Page 54 MI 2140 MI 2140 Omega &BetaPAT Instrument operation Fig. 5.25 Serial interface speed selection Fig. 5.26 Output format selection Fig. 5.27 Sending results information Take care to use the correct RS232 port! RS232C Fig. 5.28 Connection of interface cable between the instrument and PC If the instrument fails to connect with the external device, a communication error warning is displayed.

  • Page 55: Maintenance

    MI 2140 MI 2140 Omega &BetaPAT Maintenance 6. Maintenance 6.1. Inspection It is essential that all measuring instruments be regularly calibrated. For occasional daily use, we recommend to carry out annual calibration. When the instrument is used continuously every day, we recommend the calibration for every 6 months. 6.2.

  • Page 56: General Information

    Dimensions (mm) (w × h × d)..335 x 160 x 335 Mass (with standard accessories):.. OmegaPAT MI 2140....9.5 kg BetaPAT MI 2141 ...... 8.4 kg Pollution degree......2 Degree of protection ...... IP 50 (closed and locked cover) Overvoltage category......

  • Page 57: Sets And Accessories

    MI 2140 MI 2140 Omega &BetaPAT Sets and Accessories 8. Sets and Accessories Standard set Instrument OmegaPAT Tester MI 2140 or BetaPAT Tester MI 2141 Additional bag for accessories inside carrying case Earth Bond / Touch Leakage Clip HV Flash Test Cable (MI 2140 only) Users Manual PC SW package PATLink with RS 232 cable Production Verification Data...

  • Page 58: Appendix

    MI 2140 MI 2140 Omega &BetaPAT Appendix 1 9. Appendix 1 Test Codes List Appliance type: Other Portable or Handheld Heating and Cooking IT equipment (EN 60950) Extension Leads Class: I, II Fuse: 3 A (750 VA), 6 A (1.5 kVA), 10 A (2.5 kVA), 13 A (3.2 kVA), unknown Supply cord: short, middle (or low c.s.a.), long Functional / Protective conductor Test: yes, no Length: ≤...
  • Page 59 MI 2140 MI 2140 Omega &BetaPAT Appendix 1 Type Class Fuse Cord Earth Bond Insulation S. Leakage Leakage T. Leakage Code Limit Limit Limit Limit Limit Heating and Cooking short 0.10Ω 10 A 0.75 mA short 0.10 Ω 10 A 0.75 mA 10 A short 0.10 Ω...
  • Page 60 MI 2140 MI 2140 Omega &BetaPAT Appendix 1 Length Earth Bond Insulation Polarity Code Limit Limit IEC leads 0.5mm / 3A <=5 m 0.30 Ω 10 A 1.00 MΩ 500 V 7.5 m 0.40 Ω 10 A 1.00 MΩ 500 V 10 m 0.50 Ω...

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