Megger MOM600A Micro-Ohmmeter 230 V c/w Standard Accessories
Precision Resistance Testing for High-Current Applications
The Megger MOM600A Micro-Ohmmeter is a powerful and dependable instrument engineered for professionals who need precise, repeatable low-resistance measurements in demanding environments. Designed for high-voltage substations, power utilities, and industrial applications, the MOM600A delivers test currents up to 600 A DC—ideal for assessing contact resistance in circuit breakers, busbar joints, and heavy-duty connectors.
Built for durability from the Arctic to the Tropics, the Megger MOM600A combines compact portability with rugged construction. Its intuitive interface, dependable accuracy, and comprehensive accessory package make it an essential tool for electrical engineers who require trustworthy results and safe, efficient field testing.
Why Choose the Megger MOM600A?
- High-Current Capability: Generate and maintain stable test currents up to 600 A DC for accurate, reliable micro-ohm measurements.
- Robust and Portable: Compact, field-ready design with a protective transport case for easy mobility and storage.
- Exceptional Accuracy: ±1 % of reading + 1 digit ensures precise and consistent results, even at 600 A.
- Safety Built-in: Thermal cut-outs, miniature circuit breakers, and grounded outputs protect both user and equipment.
- Simple Operation: Quick-set current buttons, one-touch resistance reading, and a bright digital display.
- Complete Accessories: Supplied with 5 m flexible leads, ground cable, and a rugged transport case.
Technical Overview:
| Feature | Specification (230 V Model) |
| Output Current | 0 – 600 A DC |
| Resistance Range | 0 – 1999 µΩ (Resolution 1 µΩ) |
| Accuracy | ±1 % of reading + 1 digit (at 100–600 A) |
| Operating Temperature | 0 °C to +40 °C (32 °F to 104 °F) |
| Open-Circuit Voltage | 9 V DC |
| Power Consumption (Max) | 7360 VA |
| Weight (Instrument / Total) | 24.7 kg (instrument) / 42.8 kg with accessories |
The Megger MOM600A offers a variable transformer and current-select buttons for fast setup and stable current generation. Its precision current-shunt output (10 mV per 100 A) allows external monitoring when required, while its micro-ohm display ensures confident readings across the full resistance range.
Applications
- Measuring contact resistance in high-voltage circuit breakers and disconnecting switches
- Testing busbar joints, knife-contact fuses, and line connectors
- Verifying bonding and earthing integrity
- Quality-assurance testing in switchgear manufacturing and maintenance
What Comes with the Megger MOM600A?
Each Megger MOM600A Micro-Ohmmeter (230 V model) is supplied as a complete test kit, including the standard accessory set:
- MOM600A Micro-Ohmmeter (230 V model) – ready for immediate use
- Standard Cable Set GA-05053:
- 2 × current cables (5 m, 50 mm² each)
- 2 × sensing cables (5 m, 2.5 mm² each)
- Ground cable GA-00200 for safe earthing
- Protective transport case GD-00182
- User guide and calibration certificate
Optional accessories such as extended 10 m or 15 m cable sets (70 mm² or 95 mm²) and a 600 A / 60 mV calibration shunt are also available to suit different test setups.
The various models of the MOM600A:
- (BB-12200) MOM600A micro-ohmmeter 230V
- (BB-12292) MOM600A micro-ohmmeter 230V 15m with accessories
- (BB-12290) MOM600A micro-ohmmeter 230V with accessories
- (BB-12291) MOM600A micro-ohmmeter 230V 10m with accessories
❓ Frequently Asked Questions (FAQ)
Q1: Why is the Megger MOM600A ideal for field testing?
A. Its rugged housing, straightforward operation, and high current output make the MOM600A the perfect choice for onsite maintenance and commissioning.
Q2: How accurate is the MOM600A?
A. The Megger MOM600A achieves ±1 % accuracy even at 600 A, ensuring precise results in both laboratory and field conditions.
Q3: What accessories are included?
A. The standard kit includes 5 m current and sensing leads, ground cable, transport case, and user documentation—everything needed to start testing.
Q4: Is it compliant with UK and EU standards?
A. Yes, the Megger MOM600A meets CE, LVD, EMC, and RoHS directives, manufactured under ISO 9001 quality assurance.
Order the Megger MOM600A Today
Protect your assets, reduce downtime, and ensure precision with the Megger MOM600A Micro-Ohmmeter.
Note: Be sure to check the official datasheet before buying, and the user manual before using any test equipment. Need training? Just reach out - we’re happy to help