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A handheld micro-ohmmeter equipped with Kelvin clamps, 16.4' (5 m) cable set, accessories and alternative leads. Designed for precise low-resistance diagnostics, all without Wi-Fi connectivity.
A handheld micro-ohmmeter equipped with Kelvin clamps, 16.4' (5 m) cable set, accessories and alternative leads. Designed for precise low-resistance diagnostics, all without Wi-Fi connectivity.
The MOM3 is a handheld, high-current micro-ohmmeter designed with ease of use, versatility and safety in mind. Being rugged, lightweight and handheld makes the MOM3 very suitable for fieldwork. Using the included carrying strap it can be brought with confidence even to the hard to reach test objects. Its strong rubber body makes it extra durable should it accidentally be dropped.
The MOM3 is designed to enable a full day’s work of testing without recharging the battery. It can store more than 2000 test values, and transfer test data via USB-C to a PC.
The MOM3 uses two ultracapacitors to generate the current output. Thanks to the low internal resistance, ultracapacitors are capable of instantaneous delivery of very high currents, in MOM3 up to 300 A up to 2 mΩ. With ample energy stored in the ultracapacitors, it is possible to make multiple tests in very rapid sequence. The current output of MOM3 is also regulated and kept at the set value for the duration of the test time.
With an ultra-short measurement time, the MOM3 does not heat up the measurement object and thus eliminates the need for bidirectional measurements otherwise commonly used in micro-ohm measurements
Features
Applications
| Environment | |
| Temperature Operation | -4 to 122°F (-20 to 50°C) |
| Temperature Storage | -40 to 158°F (-40 to 70°C) |
| Relative Humidity | 5 to 95%, non-condensing |
| Altitude | Operational to 3000 m |
| CE Marking | |
| CE-marking | 2014/53/EU |
| Classifications and Standards | |
| Shock | IEC 60068-2-27 |
| Vibration | IEC 60068-2-6 |
| Transport | ISTA 2A |
| Flammability Class | V-0 |
| Battery Charger | |
| Mains Voltage | 100 to 250 V AC, 50/60 Hz |
| DC Input | 10 to 30 V DC, 1.3 A |
| Power | 5.0 V, 3.0 A, 15 W |
| Status Indicators | Low / High temperature indicators |
| Charge Operation Temperature | 32 to 113°F (0 to 45°C) |
| Measurement | |
| Minimum Current Guarantee | Selectable 5 to 300 A |
| Pass/Fail Threshold | Settable from 0.1 to 3000 mΩ |
| Number of Measurements per Full Charge | 2000 at 50 A; 1500 at 100 A; 500 at 300 A |
| Range | 0 to 3000 mΩ |
| Range Selection | Auto |
| Inaccuracy | ±0.1% of reading ±0.05% of range |
| Inaccuracy Valid Under Conditions | Resistive load; 25 °C ± 3 °C; Max test current per range |
| Test Interval | 5 s |
| Outputs | |
| Range | Max 300 A DC (R < 2 mΩ) |
| Output Voltage | Max 5 VDC |
| Inputs | |
| Sense ± | 4 mm banana jack |
| Connector Voltage | +5 VDC |
| Logger | |
| Logger Functions | Timestamp, Current, Resistance |
| Labeling Schemes | Circuit breaker-oriented or running numbers |
| Logger Capacity | >2000 measurements |
| General | |
| Battery Capacity | Li-ion battery 19.8 Wh |
| Typical Recharge Time at 77°F (25°C) | 3 h |
| Audible Feedback | Different buzzer sounds |
| Encapsulation | IP54 |
| Dimensions | 9.0 x 4.2 x 3.8 in (230 x 108 x 98.5 mm) |
| Weight | 2.5 lbs (1.15 kg) |
Click on a category to view a selection of compatible accessories with the Megger BK-30381 MOM3 Handheld Micro-Ohmmeter with Kelvin clamps and accessories, 16.4' cable set, no Wi-Fi, alternative leads.
| Environment | |
| Temperature Operation | -4 to 122°F (-20 to 50°C) |
| Temperature Storage | -40 to 158°F (-40 to 70°C) |
| Relative Humidity | 5 to 95%, non-condensing |
| Altitude | Operational to 3000 m |
| CE Marking | |
| CE-marking | 2014/53/EU |
| Classifications and Standards | |
| Shock | IEC 60068-2-27 |
| Vibration | IEC 60068-2-6 |
| Transport | ISTA 2A |
| Flammability Class | V-0 |
| Battery Charger | |
| Mains Voltage | 100 to 250 V AC, 50/60 Hz |
| DC Input | 10 to 30 V DC, 1.3 A |
| Power | 5.0 V, 3.0 A, 15 W |
| Status Indicators | Low / High temperature indicators |
| Charge Operation Temperature | 32 to 113°F (0 to 45°C) |
| Measurement | |
| Minimum Current Guarantee | Selectable 5 to 300 A |
| Pass/Fail Threshold | Settable from 0.1 to 3000 mΩ |
| Number of Measurements per Full Charge | 2000 at 50 A; 1500 at 100 A; 500 at 300 A |
| Range | 0 to 3000 mΩ |
| Range Selection | Auto |
| Inaccuracy | ±0.1% of reading ±0.05% of range |
| Inaccuracy Valid Under Conditions | Resistive load; 25 °C ± 3 °C; Max test current per range |
| Test Interval | 5 s |
| Outputs | |
| Range | Max 300 A DC (R < 2 mΩ) |
| Output Voltage | Max 5 VDC |
| Inputs | |
| Sense ± | 4 mm banana jack |
| Connector Voltage | +5 VDC |
| Logger | |
| Logger Functions | Timestamp, Current, Resistance |
| Labeling Schemes | Circuit breaker-oriented or running numbers |
| Logger Capacity | >2000 measurements |
| General | |
| Battery Capacity | Li-ion battery 19.8 Wh |
| Typical Recharge Time at 77°F (25°C) | 3 h |
| Audible Feedback | Different buzzer sounds |
| Encapsulation | IP54 |
| Dimensions | 9.0 x 4.2 x 3.8 in (230 x 108 x 98.5 mm) |
| Weight | 2.5 lbs (1.15 kg) |
Click on a category to view a selection of compatible accessories with the Megger BK-30381 MOM3 Handheld Micro-Ohmmeter with Kelvin clamps and accessories, 16.4' cable set, no Wi-Fi, alternative leads.
