Test conditions: auxiliary power: +12 V, room temperature: 25°C; Input Range: 0~1~500V;
Accuracy: 0.2, 0.5 (With reference error);
Load capacity: voltage output≥2 KΩ,
current output≤300Ω;
Temperature drift: 0.2 class 200ppm/°C,
0.5 class 500ppm/°C
Isolation voltage: 2500 V DC;
Response time: ≤400 mS;
Rated power consumption: voltage output≤300mW,    
Current output (4~20mA)≤450mW;
Output ripple: ≤10mV;
Frequency range: 45~65Hz (up to 5K, please specify when ordering);
Surge immunity:
Power port level ± 0.5KV (L-N/2Ω/integrated wave),                  
Analog I / O port.± 0.5KV (L-N/40Ω/ integrated wave);
Impulse immunity: input / power port ± 2KV, analog I / O port ± 1KV;
Input overload capacity: 2 times the rated voltage input value, one second 10 times;
Operating temperature: -10 ~ 60°C; humidity: ≤95 % (no dew);
Storage temperature: -55 ~+65°C; humidity: ≤95 % (no dew).