Micro-computer Relay Protection Tester - High-speed Digital Controlled Processor, Direct Dc Output For All Waveforms | Essential Calibration Tool For Power Stations And Electrical Units

We are instrumental in manufacturing, exporting and supplying ZJB802 Micro-Computer Relay Protection Tester which can do calibration and test for all current breaker and protection device, it is necessary and essential test device for power station, grid company and other electrical units. Micro-computer processor controlled digital signal
The device adopts high speed, high performance digital controlled processor as the controlling micro-computer.
D/A conversionand lowpass filtering
Adopts high speed UB D/A converter, ensure the linearity and precision of overall current and voltage.
Voltage and current amplifier
Each phase current and voltage does not adopt current&voltage-booster but use direct output method, thus directly output DC to all types of frequency waveform such as square wave, combination of all harmonic wave, fault transient waveform from current and voltage source, so as to simulate current and voltage characteristics at each type of short circuit faulties.
Switch input and output
Switching value input circuit is compatible with space contact and 0i 250V contact. If it is in potential mode, close during 0i 6V, break during 11i 250V. Switching value easily measure the action time and action time difference of each phase switch contact.