*  Test conditions: auxiliary power supply:+24V,  room temperature:25℃

* Accuracy:  class 0.5;

* Auxiliary power supply: DC +24V;

* Input range: 0～1A AC;

* Input frequency: 1700Hz～2600Hz;

* Output: 0～5V AC;

* Load capacity: Load≥2KΩ;

* Power frequency difference: 35’;

* Temperature drift: ≤200ppm/℃;

* Isolation voltage: DC 2500 V;   

* Response time: ≤100 mS;

* Rated power consumption: ≤0.5W;

* Output ripple: none;

* Frequency range: 45~65Hz（up to 5K, please specify when ordering）;

* Surge impact immunity:

    Power port four-level 4000V, analog I/O port three-level 2000V

* Input overload capacity: 20 times of the measured current nominal value (maximum is 500A,    applying a repetition of five times a second, interval 300S);

*Operating condition: -10℃～+60℃;

*Storage condition: temperature: -55~65℃; humidity: ≤95% (no dew).