TimeIntrinsic O-C time, in-phase state and corresponding period, and phase to phase synchronization of 12 fractures.
Closing ResistancePre-contact time, pre-contact waveform and resistance of closing resistance of six breaks.
ReclosingThe process time of ‘C-O’, ‘O-C’, ‘O-C-O’, first opening time, first closing time, second closing time, contact time and no-current time value.
BounceSwitch on bouncing time, bouncing times, bouncing process and bouncing waveform of each break, switch off rebound amplitude of each break.
SpeedInstantaneous opening speed and instantaneous closing speed, maximum speed, time-travel characteristics curve
TravelTotal travel, open distance, over travel, overshoot travel, rebound amplitude.
Current‘O-C’ current of O-C coils, current oscillogram.
Output PowerDC 30, 250 V/20A of digitally regulated operating power supply for circuit breaker is supplied by the tester and test of low-pressure operating is completed automatically to measure the operating voltage of circuit breaker.
CURRENT measuring range20.00A with resolution of 0.01A
OUTPUT POWER SUPPLYDC 30?250 V/20A digital adjustable/20A [Instantaneous working]
EnvironmentTemp-10?40 C
Humidityless than 80% RH
Input power supply230V ± 10%, 50 Hz ± 10%
TIME MEASUREMENT RANGE4000.0 ms with resolution of 0.1 ms
ERRORWithin 100 ms, 0.1ms ± 1 byte
Above 100 ms0.1 % ± 1 byte
Synchronization± 0.1ms
SPEED MEASUREMENT RANGE20.00 m/s with resolution of 0.01 m/s
ERRORWithin 0-2 m/s ± 0.1m/s ± 1 byte, Above 2 m/s ± 0.1m/s ± 2 byte