Input signal : (4~20)mA DC or (1~5)V DC 
output signal : (4~20)mA DC or (1~5)V DC 
input resistance :  (1~5)V Dc  input>500kΩ;   (4~20)mA DC  input>50Ω
load resistance : (4~20) mA DC  input ≤500Ω;special ordering ,we can offer (250~600)Ω
(1~5)V Dc  output ≥250kΩ  
accuracy :0.5 level 
Response time : <1s
Isolation :among input、output、power
Power supply : 24VDC±2V
Power dissipation : <1.5W
Environment temperature : (-10~60)℃
Relative humidity : <90%
Isolation resistance :power、input、output terminal≥100MΩ 
isolation strength: power、input、output terminal≥500V AC 
weight :about 150g
Maintenance :you can change instrument when installing wires