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

Input range: 0~0.5-700AAC（more than 30A for ES3 case);

Output: 0～20mA, 4～20mA, 0～10V, 0～5V；

Power supply: 12VDC, 15VDC, 24VDC, 48VDC, 85-265VAC/DC;

Accuracy: 0.5; 

Load capacity: load ≥ 2KΩ (voltage output) load ≤ 250Ω (current output);
Temperature drift: ≤300ppm/℃;
Isolation voltage: ≥2500 V DC;

Response time: ≤400 mS;

Rated power consumption: 1W;

Frequency range: 45Hz-400Hz (1kHz error 1%);

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 the nominal value of the measurement current (maximum 500A)
(Applying a repetition of five times a second, interval 300S);

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

Storage temperature: -40~+70℃.