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User’s Manual

MOM2

MOM2 Win

Micro-ohmmeter

Art No. ZP-BD03E

Doc. BD0333FE

V06a 2016

Summary of Contents for MOM2

Page 1: ...WWW MEGGER COM User s Manual MOM2 MOM2 Win Micro ohmmeter Art No ZP BD03E Doc BD0333FE V06a 2016...

Page 2: ......

Page 3: ...descriptions or software listings that disclose source code are for informational purposes only Reproduction in whole or in part to create working hardware or software for other than Megger Sweden AB...

Page 4: ...low temperatures 23 Kelvin Clamp Probe practice 23 Save test results 23 Hold present test result 23 Delete present test result 23 Recalling test results from the log 23 Delete results in the log 23 De...

Page 5: ...file 38 Delete all data on the instrument 38 7 6 User settings 39 Read existing settings 39 Program User positions 39 7 7 Calibration 40 Required equipment 40 Procedure 40 Voltmeter calibration 40 Amm...

Page 6: ...be come hot during current generation 4 High current on output terminals Disconnecting after test 1 First disconnect all test cables from the test object and then disconnect them from MOM2 Last discon...

Page 7: ...ccompanying docu ments Protective conductor terminal WEEE Waste Electrical and Electronic Equipment Please utilize your lo cal WEEE collection facilities in the disposal of this product and otherwise...

Page 8: ...before trouble starts Checking contact resistance at regular intervals provides a clear indication of the state of your system 2 1 Basic technical description The output current is delivered from a su...

Page 9: ...e paper work could many times be avoided However the local safety regulations shall always be followed Using the DualGround method might cause a small measurement error cause by the current running th...

Page 10: ...10 MOM2 ZP BD03E BD0333FE 3 MOM2 overview 3 MOM2 overview 3 1 The instrument 1 2 4 5 6 7 8 3 9 10 11 Top view 12 13 14 Bottom view...

Page 11: ...ar Cancel 6 TEST button When the function selector is in any of the po sitions I Imin I Imax or USER measure ment is performed by pressing the button 7 Stand by Wake up Press shortly to toggle Clear l...

Page 12: ...ble with Kelvin clamp 1 3 m 4 ft red 16 mm2 GA 00373 Current cable with Kelvin clamp 5 m 16 ft black 25 mm2 GA 00374 Current cable with Kelvin clamp 10 m 33 ft black 16 mm2 GA 00376 Cable kit 5 m for...

Page 13: ...BD0333FE ZP BD03E MOM2 13 4 Functions and set up...

Page 14: ...F position when not in use Note The MOM2 will go to stand by mode after about 10 minutes of inactivity To wake up press Stand by Wake up CLR LOG button 4 2 Test positions I I min Minimum current is se...

Page 15: ...n EnA Enabled and diS Disabled Note Do not use the PC COM mode if there is a requirement for non electromagnetic interfer ence in the environment The PC COM position is always enabled as it overrides...

Page 16: ...display shows Prd the pairing is ready How to start the headset 1 See the instructions for the headset 4 4 Clock CLK SET CLK There are three functions in this position A Set date and time B Set volume...

Page 17: ...100 using the keys 4 Press OK key to confirm To cancel press C key or turn the function selector to another position Result after a measurement If the chosen value is not reached during a measure men...

Page 18: ...is primarily designed for measurement on circuit breakers The three characters 1A1 are supposed to indi cate Breaker Phase Interrupter Measurement is automatically stored provided that there are less...

Page 19: ...or a value using the keys 4 Use the keys to select the digit to change it will blink 5 Use the keys keys to set the desired value 6 Press OK key To cancel press C key or turn the function selector to...

Page 20: ...hort Low tone Long Low tone Continuous 4 10 Battery power supply Charging Before using the MOM2 the batteries should be charged Use the supplied charger and connect it to the socket at the bottom of t...

Page 21: ...e two screws that holds the battery lid at the back of MOM2 Important Always replace all batteries at the same time Do not mix old and new batteries Do not mix types or brands Battery practice To exte...

Page 22: ...oting 6 Pass Fail indicator In this case the Pass Fail is set to 100 7 Padlock symbol The lock symbol is shown when the capacitor is charged prior to a test and when you lock a test result To choose m...

Page 23: ...OFF only the latest value is stored and only until the performance of a following measurement which overwrites the previous one Hold present test result When the LOG function is activated the measure...

Page 24: ...is charging the capacitor by a repeated sound and on the display shows alternating CAP and CHG and the lock symbol Charging 6 The MOM2 is ready for a measurement when the lock symbol disappears Ready...

Page 25: ...AP and CHG as well as the padlock symbol Charging 6 When the lock symbol disappears the MOM2 is ready for a measurement Ready for test 7 Press the TEST button on MOM2 or Trigger on the probe A continu...

Page 26: ...ss or fail A If the resistance value is below the P F limit The result will be shown on the display with big digits The small digits toggle between the P F limit and the max min current values Here P...

Page 27: ...utomatically stored provided that the memory is not full Running numbers 1999 The display before first measurement The display after measurements By using the and keys you can scroll be tween the save...

Page 28: ...When three measurements have been done and saved to a label e g 1A1 the lock sign is shown Note To continue to measure you need to either delete the latest measurement or scroll to a blank label By us...

Page 29: ...the measurement is complete there will be a pass or a fail signal A If the resistance value is below the P F limit and the current value is over the set min current limit the result will be shown on t...

Page 30: ...like in encapsulated breakers then make the following check 1 Make two tests one with 0 1 second and one with 3 seconds setting If the values are equal then there is no current transformer in the loo...

Page 31: ...BD0333FE ZP BD03E MOM2 31 6 Application examples...

Page 32: ...describes the perfor mance if you only want to know if the test object pass a preset value and you do not need to store the test results 1 Select LOG function OFF and set P F value see section 4 6 and...

Page 33: ...reaker CB shall be disconnect ed closed and grounded on both sides 2 Connect the MOM2 to ground 3 Attach an extra ground cable not included with at least 95 mm2 cross section area to one side of the C...

Page 34: ...e installed see the installation instructions supplied with the dongle Setup 1 Insert the MOM2 Win CD into the CD drive The installation will start automatically If not select and run the file Setup e...

Page 35: ...1 Turn the function selector to the PC COM position on the MOM2 instrument At program startup the SW will try to connect to MOM2 using the same COM port that the last suc cessful connection used If th...

Page 36: ...Cancel scan button Figure 8 4 2 The Connection settings window searching Figure 8 4 3 The Connection settings window connection established Refresh button Provided that the MOM2 and the PC are connec...

Page 37: ...Tools menu Figure 8 5 1 Data dumping dialog 2 Click on the Retrieve all data button to download all measurements stored in the instrument A window will pop up showing the progress of the download At...

Page 38: ...file with comma separat ed values suited for import to e g Microsoft Excel Note The value separator is dependent of the re gional setting in Windows a semicolon when comma is used for decimal separato...

Page 39: ...1 Select User position No 1 3 2 Click the Read from instrument button to see the current settings on the instrument All three user settings will be read not only the one selected in the combo box The...

Page 40: ...ck the Verify button The voltage measured with the new calibration factor will be shown in the U Verified field The deviation in percent from the reference value will be shown to the right 6 Repeat fr...

Page 41: ...he result is satis factory you can save it to the MOM2 8 Click the Save to instrument button 9 If the result of the tests is not satisfying or you want to start over click the Cancel button This will...

Page 42: ...Field calibration Yes Encapsulation IP54 Dimensions excl binding posts 217 H x 92 B x 72 D mm 8 5 H x 3 6 B x 2 8 D in Weight 1 0 kg 2 2 lbs instrument only 5 0 kg 11 lbs with accessories and carryin...

Page 43: ...BD0333FE ZP BD03E MOM2 43...

Page 44: ...H Hold present test result 23 I I min 17 Input for sensing voltage 11 Input for sensing voltage 11 K Kelvin Clamp Probe practice 23 Kelvin test 8 Keys 11 L LCD display 22 LOG 18 low temperatures 23 M...

Page 45: ...g through the ground ca bles 33 Test a CB using DualGround 33 TEST button 11 Testing on circuit breakers having a current transformer in the loop 30 Test positions 14 To choose I Imin or I Imax 22 To...

Page 46: ...46 MOM2 ZP BD03E BD0333FE Index...

Page 47: ......

Page 48: ...t Equipment Fiber Optic Test Equipment Ground Resistance Test Equipment Insulation Power Factor C DF Test Equipment Insulation Resistance Test Equipment Line Testing Equipment Low Resistance Ohmmeters...

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