Applied in three phase three wire active, three phase four wire active, three phase three wire reactive and three phase four wire reactive electric kWh meter for cyclometering and voltage withstanding.
* Able to test voltage, current, power, power factor, phase position and frequency.
* Able to display the waveform of voltage and current.
* With emergency button, easy to shut down the equipped power.
* Able to automatically test the failure of current open circuit, voltage short circuit.
* Perfect protection to prevent the harmful effects of the misoperation.
* With RS485 communication port.
* Equipped with RS485 communication port, automatically read the meter initial cyclometer error, support multi-communication protocol of the meter cyclometer testing.
* Able to cyclometer test the power and reverse power of three phase meter in a reverse time, a reverse volume.
* Reverse time can be arbitraily set from 1 minute to 99 hours 59 minutes.
* Electric energy can be arbitraily set from 1 kWh to 2000 kWh, support compound cyclometer testing.
* Able to collect, store and display the cyclometer energy of each current position.
* Able to cyclometer test the different constant energy meter at the same time as per the reference-table method and standard-table method.
* The point of cyclometer power factor : cos Φ /sin Φ =0.8C, 0.5C, 0.25C, 1, 0.25L, 0.5L, 0.8L.
VOLTAGE WITHSTAND TESTING:
* Withstand voltage:0-2500V.
* Voltage withstand time:1-5 minutes.
* Voltage withstand threshold: 5mA±5%, 10mA±5%.
* Realize the tested meter voltage loop to ground, current loop to ground, voltage loop to current loop and between different curent loop to voltage withstand test. Supply ＜50V auxiliary terminal grounding port.
* Remove and indicate the failed meter from high voltage loop in time during testing.
* With the function to indicate the memory for the failed meter No. and test project.
* Can show the high voltage output and time of current voltage withstand test. Automatically switch off high voltage, and display the failed meters.
* Sound and light during the voltage withstand testing.
* Equipped with security doors, fitted with auxiliary electrical contacts to prevent the doors are not closed and the output of high voltage.