الوصف

DA***0 detects combustible or toxic gas leakage and transmits standard electric current output signal 4 ~ *0mA to be connected with various controllers such as gas leakage warning device (GMS****0/***0/***0), PLC, DDC, or MMR for individual or integrated gas monitoring system.

Detection principle :  Catalytic, electro-chemical, NDIR, or PID
Gas sampling : Diffusion
Measurement range:   0 ~ **0%LEL, 0 ~ *0,**0ppm, 0 ~ **0%VOL
Target gas:  Combustible or toxic - see the table of target gases
Response time : Within *0 seconds, *0%/full scale
Accuracy :  ≤±2%/full scale
Calibration : One-touch auto calibration
Sensor displacement :  Zero calibration: ≤±1%LEL/6 month
span calibration: ≤±1%LEL/6 month
Self diagnosis Display sensor failure on built-in FND(S.Er), 2mA output
Input power :  DC *0 ~ *0V
Output signal : 4 ~ *0mA/full scale up to 2.5km transmission
Operating temp. & humidity : **0℃~ *0℃, 5 ~ *5% RH (Non-Condensing)
Signal cable : CVVS & CVVSB 1.*5sq x 3 Wire - Shield Type
Conduit tube:  1/2" or 3/4" PF, NPT
Installation type : Wall or Pipe Mounting
Casing material:  Cast aluminum alloy
Explosion-proof approval :  Ex d IIC T5