Megger MOM200A 200 A Micro-Ohmmeter
High-current precision you can trust - the Megger MOM200A delivers performance, portability, and reliability in one rugged test instrument.
When precision contact-resistance measurement matters, the Megger MOM200A is the engineer’s go-to solution. This 200 A micro-ohmmeter is made for both field and lab use. It provides fast and accurate readings of very low resistances. You can use it on circuit breakers, busbar joints, disconnecting switches, and other high-current connections. Compact, robust, and built to withstand tough site conditions, the MOM200A makes every test count. If you’re searching specifically for the megger mom200a, this is the model trusted across utilities and industry.
Why Choose the Megger MOM200A / Programma MOM200A?
Engineered for professional use, the programma mom200a combines high-current capability, portability, and advanced measurement accuracy. It’s a proven solution for power utilities, heavy industry, and commissioning teams who need dependable low-resistance testing in demanding environments.
- High-current output up to 200 A DC - essential for detecting poor or high-resistance joints.
- Wide resistance range to 19.99 mΩ with 1 µΩ resolution in the 0–1 999 µΩ range for precise assessment of contact integrity.
- Lightweight and field-ready - at approximately 14.6 kg (instrument only), the Megger MOM200A travels easily between job sites.
- User-friendly interface - quick set-up and clear readings reduce downtime and boost productivity.
- Rugged construction - built to endure industrial and sub-station environments without compromising accuracy.
If you’re comparing models, the mom200a stands out for its blend of current output, measurement precision, and portability.
Technical Overview:
| Specification | Detail |
| Output current | 0–200 A DC |
| Open-circuit voltage | approx. 4.7 V DC |
| Resistance ranges | 0–1 999 µΩ and 0–19.99 mΩ |
| Resolution | 1 µΩ / 10 µΩ |
| Accuracy | ±1% of reading + 1 digit |
| Power supply | 230 V AC (115 V option) 50/60 Hz, max 1610 VA |
| Operating temperature | 0 °C to +50 °C (115 V model) / 0 °C to +40 °C (230 V model) |
| Storage temperature | –40 °C to +70 °C |
| Weight | approx. 14.6 kg (instrument only); 26 kg with case |
| Dimensions | 280 × 178 × 246 mm |
This combination of high-output current and precision measurement enables the megger mom200a to identify even minute variations in resistance that could compromise safety or efficiency.
Applications:
The Megger MOM200A is purpose-built for:
- Testing high-voltage circuit breakers, isolators, and busbar joints.
- Measuring contact resistance in disconnect switches and power distribution links.
- Supporting routine maintenance, fault diagnosis, and commissioning of electrical networks.
- Use by field engineers and maintenance contractors needing dependable, portable testing power.
Whether in substations, manufacturing plants, or service workshops, the programma mom200a delivers the precision demanded by today’s energy professionals.
Ready to Order?
The Megger MOM200A is your reliable partner for low-resistance measurement. Get in touch with our test equipment specialists to request a quotation, arrange a live demonstration, or discuss bulk pricing and calibration options. Fast delivery, full support, and expert advice ensure you get the right setup from day one. Protect your electrical assets, reduce downtime, and maintain compliance - invest in the mom200a today.
What comes with the Megger MOM200A?
| Accessory Description | BD-12300 (Bare Unit) | BD-12390 (5m Kit) | BD-12391 (10m Kit) |
| MOM200A Micro-Ohmmeter Instrument | ✓ | ✓ | ✓ |
| GD-00010 Rugged Transport Case | ✕ | ✓ | ✓ |
| GA-00200 Ground Cable | ✕ | ✓ | ✓ |
| GA-02053 Base Cable Set (5m Current/Sense) | ✕ | ✓ | ✕ |
| Specific Cable Set: 5m (Current/Sense Cables) | ✕ | ✓ | ✕ |
| Specific Cable Set: 10m (Current/Sense Cables) | ✕ | ✕ | ✓ |
❓ Frequently Asked Questions (FAQ)
Q1: What applications is this unit designed for?
A. The Megger MOM200A measures contact resistance in high-current connections such as circuit breakers, busbars, and disconnecting switches, making it ideal for utility and industrial testing.
Q2: Can the MOM200A output 200 A continuously?
A. The instrument can deliver 200 A DC for short test periods (around 20 seconds) and 100 A for longer durations (up to 5 minutes), providing flexibility depending on the application.
Q3: Is the MOM200A portable?
A. Yes. At roughly 14.6 kg (instrument only), the mom200a is designed for easy transportation between sites. A dedicated carry case (bringing the total to about 26 kg) accommodates cables and accessories.
Q4: What accessories are available?
A. Standard current and sense cable sets are supplied, with optional longer cables for large installations.
Q5: Is it suitable for sub-station environments?
A. Absolutely. The programma mom200a is rugged, temperature-tolerant, and reliable under demanding sub-station and industrial conditions.
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