* Test conditions: auxiliary power supply: +12 VDC, room temperature: 25 ℃.

* Input range: 0~ 1000A;         

* Accuracy: class 0.5 (adopts fiducial error);

* Operating temperature: -10~60℃;     

* Isolation voltage: 2500 V DC;

* Load capacity: voltage output ≥ 2k Ω, current output ≤ 250 Ω;  

* Temperature drift: ≤300ppm/℃;

* Response time: ≤ 300 mS;

* Rated power consumption: <0.5W;

* Output ripple: ≤10mV;

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

* Surge impact immunity:

   Power port one-level ± 0.5KV (L-N/2Ω/integrated wave)  

   Analog I/O port one-level ±0.5KV (L-N/40Ω/integrated wave);

*Impulse immunity: input / power supply port ± 2KV;

                                 analog I / O port ± 1KV;

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

* Storage temperature: -55 ~+65°C; humidity: ≤95% (no dew).