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

* Input range: 0~5AAC-500AAC（input below 20A, accuracy is class 1.0）;

* Output: 0~20mA, 4~20mA, 0~10V, 0~5V;

* Power supply: 12VDC, 15VDC, 24VDC, 48VDC;

* Accuracy: 0.5;         

* Load capacity: load ≥ 2KΩ (voltage output) load ≤ 250Ω (current output);

* Temperature drift: ≤400ppm/℃;

* Isolation voltage: ≥2500 V DC;

* Response time: ≤400 mS;

* Rated power consumption: 0.5W;

* Output ripple: ≤10mV;

* Frequency range: 45Hz-400Hz;

* Surge impact immunity:

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

   Analog I/O port three-level ±2KV (L-N/40Ω/integrated wave);

* Impulse immunity: input / power port ± 2KV, analog I /O port ± 1KV;

* Input overload capacity: 20 times of the nominal value (maximum 1000A)

   (Applying a repetition of five times a second, interval 300S);

* Operating temperature: -10~ 60°C; humidity: ≤95% (no dew);

* Storage temperature: -40 ~+70°C; humidity: ≤95% (no dew).