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Megger MOM2 Micro-Ohmmeter w/ Choice of Kit

SKU
MEG-MOM2
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Megger MOM2 Micro-Ohmmeter

Note: there are three different versions of the Megger MOM2 available. The kits are as follows.

  • MOM2 w/ Kelvin Probes - includes Tester, 1.3m (4ft) Test Leads with Kelvin Probes (One with Trigger Button), Charger, Rubber Holster, Carrying Strap, Belt Clip and MOM2 Win Software
  • MOM2 w/ Kelvin Clamp (3m) - includes Tester, 1.3m (4ft) Test Cable with Kelvin Clamp (3m), 3m Test Cable with Kelvin Clamp, Transport Case, Charger, Rubber Holster, Carrying Strap, Belt Clip and MOM2 Win Software
  • MOM2 w/ Kelvin Clamp (5m) - includes Tester, 1.3m (4ft) Test Cable with Kelvin Clamp, 5m Test Cable with Kelvin Clamp, Transport Case, Charger, Rubber Holster, Carrying Strap, Belt Clip and MOM2 Win Software

Megger's MOM2 is a high accuracy, low resistance micro-ohmmeter commonly used for testing contact resistance of low, medium and high voltage breakers, bus bar joints and other high current links.

Equipped with a powerful ultra capacitor, the MOM2 generates high output current, with the ability to store large amount of energy compared to conventional capacitors. When testing, this will deliver high levels of current during the discharge thanks to low internal resistance.

During the test, the capacitor is discharged through the test object and the voltage drop across (and the current flow through the test object) are continuously sampled together. The level of resistance is calculated from the individual samples and an average of all results will be shown as a final value on the MOM2's built-in LCD screen.

The Megger MOM2

For added safety, the Megger MOM2 uses DualGround measurement techniques. With this, the test object is safely grounded on both sides, ensuring the safety of the operator and others while tesitng is ongoing.

The Megger MOM2 is also a datalogging tester; up to 104 test values can be stored directly on the micro-ohmmeters internal memory, then can be transferred to PC via Bluetooth connection (PC software included as standard in all available kits).

Megger MOM2 Interface Breakdown

1 - Current Output Terminal (-) 7 - Standby/Wake Up (Press Shortly to Toggle)
Clear Log (Press and Hold for 5 seconds)
2 - Current Output Terminal (+) 8 - Function Selector
3 - Display (Analogue Arc and Dual Digital) 9 - Connector for Voltage (-) Sense Lead
4 - Ground (Earth) Terminal) 10 - Connector for the Voltage Sense (+) Lead and the trig function
5 - Navigation Keys 11 - Connector for battery charger
6 - Test Button 12 - Battery Charge Indicator

Megger MOM2 Micro-Ohmmeter Key Features

  • Measure low resistance levels with a high degree of accuracy
  • Ultra capacitor discharges into test object
  • High levels of safety with DualGround (grounded on both sides)
  • Lightweight, handheld design (weighsjust 1kg)
  • Up to 220A
  • Battery powered
  • Auto range from 1μΩ to 1000mΩ
  • Bluetooth PC communication and internal memory
  • Compliant with IEEE and IEC standards

Megger MOM2 Technical Specifications

Specifications are valid at fully charged batteries and an ambient temperature of +25°C
Environmental Specs
Application Field For use in high voltage substations and industrial environments
Operating Temperature -20 to +50°C (-4 to +122°F)
Storage Temperature -40 to +70°C (-40 to +158°F)
Relative Humidity (%RH) 5 to 95%, non-condensing
Pollution Degree 2
Shock IEC 60068-2-27
Vibration IEC 60669-2-6
Transport ISTA 2A
CE Marking EMC - 2004/108/EC
LVD - 2006/95/EC
General Specs
Battery Power Five AA (HR6) 2700mAh NiMH cells
Recharge Time <12h
Typical Recharge Time at 25°C 3h
Battery Charger Mains Voltage 100 to 250V AC, 50/60Hz
Battery Charger Power Consumption 60W
Battery Charger Protection Against wrong battery type, low/high temperature
Real Time Clock Battery Life ≥ 10 years
Audible Feedback Different buzzer sounds
User Presets 3
Field Calibration Yes
Encapsulation IP54
Dimensions (excluding binding posts) 217 x 104 x 72mm (8.5 x 4.1 x 2.8 inches)
Weight 1.0kg (2.2lbs) instrument only
5.0kg (11lbs) with accessories and carrying case
Measurement Specs
Minimum Current Guarantee Selectable 50A/100A
Valid at resistance ≤2mΩ
PASS/FAIL Settable from 1μΩ to 1999mΩ
Number of Measurements on Fully Charged Batteries Typical 2200 at I min = 50A and 0.1s
Typical 800 at I min = 100A and 0.1s
Interference Supression Yes
Range 0 to 1000mΩ
Resolution 0 to 999μΩ: 1μΩ
1.0 to 9.99mΩ: 0.01mΩ
10.0 to 99.9mΩ: 0.1mΩ
100 to 1000mΩ: 1mΩ
Inaccuracy 0 to 1999μΩ: ±1% of reading ± 1 digit
2 to 500mΩ: ±2% of reading ± 1 digit
500 to 1000mΩ: ±4% of reading ± 1 digit
Outputs
Range >100A DC (R < 2mΩ)
Output Voltage (max) 2.5V DC
Generation Duration Selectable: 0.1s, 0.6s, 3s
Generation Time  
0.1s Max: 10s
Typical: 8s
0.6s Max: 20s
Typical: 16s
3s Max: 130s
Typical: 100s
Inputs
Sense (+/-) Connector: 4mm banana jack
Voltage: ±3V DC
Trigger Input Threshold 8V DC
DC IN 12 to 24V DC, 2A max
Logger
Data Label, Timestamp, I max, i min, I limit, Resistance, Meas. Time, P/F Limit
Labelling Schemes Circuit breaker oriented or running numbers
Capacity 104 measurements
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Additional Information
SKU MEG-MOM2
Manufacturer Part Code BD-59092
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