Digital Ohm Meter & Micro Ohm Meter
Premier Electrosystems manufactures Digital Ohm Meters, Micro Ohm Meters, Milli Ohm Meters and resistance measurement instruments for industrial, laboratory, maintenance and quality-control applications.
Using 4-wire Kelvin measurement technology, the instrument supports accurate testing of transformer windings, motor windings, electrical contacts, cables, busbars and other low-resistance components.
Applications
- Transformer, motor and generator winding resistance testing
- Cable, wire and busbar resistance measurement
- Contact resistance testing of switches, circuit breakers, relays and contactors
- Connector, terminal and industrial-heater resistance testing
- Preventive electrical maintenance
Features
- Advanced 4-wire Kelvin measurement system
- Resolution up to 1 microohm
- Excellent stability with motors, transformers and inductive loads
- Maximum test current up to 1 Amp
- Microcontroller-based, compact and rugged design
- High accuracy and repeatability
Technical Specifications
| Range | Resolution |
|---|---|
| 1999 µΩ | 1 µΩ |
| 1.999 mΩ | 1 µΩ |
| 19.99 mΩ | 10 µΩ |
| 199.9 mΩ | 0.1 mΩ |
| 1999.9 mΩ | 1 mΩ |
| 1.999 Ω | 1 mΩ |
| 19.99 Ω | 10 mΩ |
| 199.9 Ω | 0.1 Ω |
| 1999.9 Ω | 1 Ω |
| 19.99 kΩ | 10 Ω |
| Display | 3½ digit red LED display |
|---|---|
| Accuracy | ±0.1% ±1 count |
| Maximum test current | 1 Amp |
| Operating temperature | 5°C to 55°C |
| Humidity | Up to 85% RH, non-condensing |
| Power supply | 230 V AC ±10%, 50 Hz |
Industries Served
- Transformer, motor, cable and wire manufacturing
- Switchgear and electrical-panel manufacturing
- Testing laboratories, power utilities and R&D centres
Product Video
Watch how resistance measurement is performed with Premier's Digital Ohm Meter and Micro Ohm Meter.
Frequently Asked Questions
What is a Micro Ohm Meter?
A Micro Ohm Meter measures very low resistance values accurately.
What is Kelvin 4-wire measurement?
Kelvin measurement helps eliminate lead-resistance errors during low-resistance measurement.
Can this meter test transformer and motor windings?
Yes. It is suitable for transformer and motor winding resistance testing, quality control and maintenance.