|
Detection principle |
Catalytic, electro-chemical, NDIR, or PID |
Gas sampling |
Diffusion |
Measurement range |
0 ~ 100%LEL, 0 ~ 10,000ppm, 0 ~ 100%VOL |
Target gas |
Combustible or toxic - see the table of target gases |
Response time |
within 20 seconds, 90%/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 20 ~ 30V |
Output signal |
4 ~ 20mA/full scale – up to 2.5km transmission |
Operating temp. & humidity |
-20℃~ 50℃, 5 ~ 95% RH (Non-Condensing) |
Signal cable |
CVVS & CVVSB 1.25sq 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 |