Frequently asked

• HV Switch Test Series

Sensor is working normally, but opening/closing speed is measured incorrectly / shows zero.

• HV Switch Test Series

Sensor types corresponding to various sensors

• HV Switch Test Series

Self-check: No sensor signal / Is the sensor faulty?

• HV Switch Test Series

Difference between “Input” and “Measurement” sensor modes

• HV Switch Test Series

Inaccurate measurement of opening and closing time in opening and closing tests/Setting of control time in opening and closing tests

• HV Switch Test Series

Breaker moved, but no times appear on the result screen

• HV Switch Test Series

Instrument won’t power on / trips breaker when test is started

• HV Switch Test Series

Test principle and analysis method of graphite contact switch