MOM3

The Megger MOM3 handheld 300 A micro-ohmmeter is explicitly designed for accurately checking and measuring contact resistances in high-voltage circuit breakers, busbar joints, disconnecting switches, and other critical high-current links.

Using innovative ultracapacitor technology, the MOM3 delivers superior performance compared to conventional micro-ohmmeters. Compact and lightweight with an intuitive user interface, the MOM3 is a reliable tool built for ease of use during daily on-site operations.

Need dependable equipment for your next project? Hire now to enjoy fast delivery, flexible rental options, and expert support every step of the way. Get the right products when you need them. Secure your rental today on 1300 024 473.

• Ultra-capacitor technology ensures high energy discharge for reliable, low-resistance testing.
• Automatic range selection and high-resolution display for easy operation.
• Wi-Fi communication for efficient data transfer and reporting.
• Lightweight and rugged design with IP54 encapsulation for use in the field.
• Rechargeable Li-Ion battery with extensive measurement capacity on a single charge.

Environmental

• Application Field—High-voltage substations and industrial environments.
• Operating Temperature—-20 °C to +50 °C (-4 °F to +122 °F).
• Storage Temperature—-40 °C to +70 °C (-40 °F to +158 °F).
• Relative Humidity—5% – 95%, non-condensing.
• Altitude—Operational up to 3,000 m.

Standards and Compliance

• CE-Marking compliant according to RED 2014/53/EU.
• Tested for shock, vibration, and transportation per IEC 60068 standards.

General

• Dimensions (Instrument)—230 x 108 x 98.5 mm (9.0 x 4.3 x 3.8 in).
• Weight—1.15 kg (2.5 lbs) without accessories; 4.3 kg (9.8 lbs) with accessories and carrying case.
• Battery Capacity—19.8 Wh rechargeable Li-Ion battery with fast recharge time of 3 hours.

Measurement Capabilities

• Current Range—5 A to 300 A.
• Resistance Range—0.1 µΩ to 3000 mΩ, with adjustable Pass/Fail thresholds.
• Accuracy—±0.1% of reading ±0.05% of range under optimal conditions.
• Data Logger—Stores over 2000 measurements with timestamp and label options.
• Outputs—Maximum 300 A DC with output voltage up to 5 VDC.
• Wi-Fi Communication—Frequency band of 2412 MHz to 2472 MHz, maximum RF power of 20 dBm.

• Exceptional Accuracy—Provides precise resistance measurements for critical components.
• Compact and Portable—Lightweight design ensures ease of transport and handling.
• Reliable Testing Device—Built for accurate measurements under diverse field conditions.
• Energy-Efficient Technology—Utilises an ultracapacitor for high current discharge and low resistance measurement.
• Flexible Applications—Offers versatile usage for a variety of low-resistance testing needs.

• Contact resistance measurement for low, medium, and high voltage circuit breakers.
• Connection resistance testing of busbars and disconnecting devices.
• Verifying the integrity of safety ground connections, welding points, switches, fuses, and cables.
• Detecting power loss and potential overheating caused by high resistance at critical points.