Winding Ohmmeter RMO20TW
The list of the instrument application includes:
- Test currents 5 mA – 20 A
- Two resistance measurement channels
- Accuracy 0,1%
- Lightweight: 7,5 kg / 16.5 lbs
- On-load tap changer verification
- Automatic resistance measurement for the Heat Run test
- Automatic discharge circuit
The Winding Ohmmeter RMO20TW instrument is designed for winding resistance measurement of inductive objects. The RMO20TW instrument is based on the state of the art technology, using the most advanced switch mode technology available today. The RMO20TW instrument is accurate (0,1%), powerful (up to 20 A) and lightweight (7,5 kg / 16.5 lbs). It generates a true DC ripple free current with automaticallyregulated measurement and discharging circuit.
RMO20TW instrument can perform a simple, quick and reliable transformer on-load tap changer verification. This instrument enables measurements of a winding resistance in every tap position of an on-load tap changer without discharging between the tests. Problems with switching of the OLTC, such as interruption, can be detected with these measurements.
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