* Auxiliary power supply: DC +11V～+28V (power consumption＜60mA), AC/DC 220V;

* Input range: Voltage AC:0~500V, current AC:0~25A(BS3 style),  AC:0~700A(ES3 style);

* Output: 0-5V/1-5V/0-20mA/4-20mA or 2.5±2.5V/3±2V/10±10mA/12±8mA(bipolar measurement) , can be chosen arbitrarily;

* Output ripple: <10mV;              

* Operating condition: temperature: -20～60℃;

* Accuracy:  class 0.5 ( adopts fiducial error);

* Temperature drift: <200ppm/℃;     

* Isolation voltage: DC 2500V;

* Load capacity: voltage output≥1kΩ , current output≤300Ω;

* Response time: ≤ 250 mS;

* Input overload capacity: continuous overload: 120%; short-term overload: 2 times of the rated voltage input value, the application of 1 second, 20 times of the rated current input, the application of 1 second;

* Rated power consumption: ＜1.5W;

* Frequency range: 45Hz-400Hz;

* Surge impact immunity:

   Power port two-level 1000V (L-N / 2Ω / integrated wave),

   Analog I/O port two-level 1000V (L-N / 40Ω / integrated wave);

* Impulse immunity: none;

* Storage ondition: -40~+70℃.