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User guide

MOM2

MOM2 Win

Micro-ohmmeter

Art No. ZP-BD03E

Doc. BD0333JE

V09a 2020

www.

.com

[email protected]

1.800.561.8187

Summary of Contents for BD-59090

Page 1: ...User guide MOM2 MOM2 Win Micro ohmmeter Art No ZP BD03E Doc BD0333JE V09a 2020 www com information itm com 1 800 561 8187...

Page 2: ...commitment on the part of Megger Sweden AB Any attached hardware schematics and technical descriptions or software listings that disclose source code are for informational purposes only Reproduction...

Page 3: ...choose measurement time 22 To choose I Imin or I Imax 22 Working at low temperatures 23 Kelvin Clamp Probe practice 23 Save test results 23 Hold present test result 23 Delete present test result 23 R...

Page 4: ...35 Manual connecting 35 7 5 Read the measurement log 37 Export data to file 38 Delete all data on the instrument 38 7 6 User settings 39 Read existing settings 39 Program User positions 39 7 7 Calibr...

Page 5: ...ans former 2 Never open a circuit breaker while MOM2 is connected to it 3 Connection points for current cables can be come hot during current generation 4 High current on output terminals Disconnectin...

Page 6: ...ize your lo cal WEEE collection facilities in the disposal of this product and otherwise observe all applicable requirements Equipment complies with current EU directives Information duty regarding su...

Page 7: ...that they can be remedied long before trouble starts Checking contact resistance at regular intervals provides a clear indication of the state of your system Unpack system Unpack the unit and check fo...

Page 8: ...2 it is possible to make measurements according to the DualGround method The most im portant advantage is improved safety but the method is also easier and saves time The number of tasks is reduced wh...

Page 9: ...OM2 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 1 Current output terminal 2 Current output terminal 3 Protective conductor terminal www com inform...

Page 10: ...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 log Press and hold for 5 s 8 Function selector OFF I I min 0 1 s...

Page 11: ...ables with Kelvin clamps Transport case Charger Rubber holster Carrying strap Belt clip MOM2 Win GA 90000 Test cables with Kelvin probes incl in BD 59090 GA 90001 Test cables with Kelvin clamps incl i...

Page 12: ...ith Kelvin clamp 5 m 16 ft black 25 mm2 GA 00374 Test cable with Kelvin clamp 10m 33ft black 16 mm2 This length in combination with the cable area 16 mm2 results in a reduction of maximum current GA 0...

Page 13: ...n 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 set in position SET I m...

Page 14: ...rches for MOM2 and after a while the MOM2 device is found 6 Select the MOM2 item and press Next After this a menu appears that asks for the passcode 7 Enter code 0000 and press Next The installation n...

Page 15: ...r non Month dd Day HH Hour nIn Minute Date and time 1 Select SET CLC 2 Press and hold OK key until digits start to blink under the yy letters 3 Set year using the keys 4 Press OK key 5 Press the key t...

Page 16: ...imum cur rent showing 037 A 4 6 Data logger LOG The data memory can store totally 104 measurements and this capacity is shared by the two log modes SET LOG Display abbreviations description SEL Select...

Page 17: ...value exceeds the set limit it will result in a notification on the dis play and by an audio signal SET P F Display abbreviations SEL Select oFF OFF Set up 1 Select SET P F Present setting is display...

Page 18: ...ent action The sound is emitted from a built in buzzer and from the Bluetooth headset optional The audio signals vary in frequency Low High and composition Audio signals Description The MOM2 is chargi...

Page 19: ...or other fault Check batteries and charger cables Replacing the batteries 1 Loosen the two screws that holds the battery plate at the back of MOM2 see figure below It is recommended to use the same t...

Page 20: ...Functions and set up Note If the batteries are fully discharged it will be impossible to charge them in the MOM2 However a separate battery charger may be able to charge the batteries www com informa...

Page 21: ...cator 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 measurement time In an...

Page 22: ...alue 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 measurement result is shown o...

Page 23: ...citor 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 for test 7 Press the...

Page 24: ...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 continuous audio signal tells...

Page 25: ...sistance 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 F limit was set to 150...

Page 26: ...ull Running numbers 1999 The display before first measurement The display after measurements By using the and keys you can scroll be tween the saved test results Note You can only scroll through the m...

Page 27: ...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 using the and keys you can toggle be tween the saved te...

Page 28: ...plete 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 the display with big di...

Page 29: ...0 1 second and one with 3 seconds setting If the values are equal then there is no current transformer in the loop If you get different readings it might be a need for a workaround 1 If possible incr...

Page 30: ...BD0333JE ZP BD03E MOM2 31 6 Application examples www com information itm com 1 800 561 8187...

Page 31: ...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 4 7 2 Attach the tes...

Page 32: ...connect 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 CB 4 Connect the 0 5 m...

Page 33: ...talled see the installation instructions supplied with the dongle Setup 1 Insert the USB stick with the MOM2 Win sw Select and run the file Setup exe to install the program The program will be install...

Page 34: ...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 there have been no previ ous MOM2 connections from this...

Page 35: ...window searching Figure 7 4 The Connection settings window connection established Refresh button Provided that the MOM2 and the PC are connected to each other the MOM2 date and time and the PC date an...

Page 36: ...7 5 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 any time the data dum...

Page 37: ...t 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 separator and comma otherwise...

Page 38: ...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 val ues for minimum cu...

Page 39: ...MOM2 will then be propagated to the U measured text field New calibration factors will automatically be calculated 5 Click the Verify button The voltage measured with the new calibration factor will...

Page 40: ...have been measured and the 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...

Page 41: ...ns Instrument excl binding posts 217 x 104 x 72 mm 8 5 x 4 1 x 2 8 in Carrying case 395 x 300 x 190 mm 15 6 x 11 8 x 7 5 in Weight 1 0 kg 2 2 lbs instrument only 5 0 kg 11 lbs with accessories and car...

Page 42: ...BD0333JE ZP BD03E MOM2 43 www com information itm com 1 800 561 8187...

Page 43: ...ccessories 12 Input for sensing voltage 11 Input for sensing voltage 11 K Kelvin Clamp Probe practice 23 Kelvin test 9 Keys 11 L LCD display 22 LOG 17 low temperatures 23 M Measurement on using Kelvin...

Page 44: ...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 choose measurement time 22 Trai...

Page 45: ...esting Equipment Low Resistance Ohmmeters Motor Phase Rotation Test Equipment Multimeters Oil Test Equipment Portable Appliance Tool Testers Power Quality Instruments Recloser Test Equipment Relay Tes...

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