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Detection principle |
Catalytic, electro-chemical, NDIR, or PID |
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Gas sampling |
Diffusion |
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Measurement range |
0 ~ 100%LEL, 0 ~ 10,000ppm, 0 ~ 100%VOL |
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Target gas |
Combustible or toxic - see the table of target gases |
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Response time |
within 20 seconds, 90%/full scale |
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Accuracy |
≤2% /full scale |
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Calibration |
One-touch auto calibration |
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Sensor displacement |
Zero calibration: ≤±1%LEL/6 month
span calibration: ≤±1%LEL/6 month |
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Self diagnosis |
Display sensor failure on built-in FND(S.Er), 2mA output |
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Input power |
DC 20 ~ 30V |
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Output signal |
4 ~ 20mA/full scale – up to 2.5km transmission |
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Operating temp. & humidity |
-20℃~ 50℃, 5 ~ 95% RH (Non-Condensing) |
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Signal cable |
CVVS & CVVSB 1.25sq x 3 Wire - Shield Type |
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Conduit tube |
1/2" or 3/4" PF, NPT |
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Installation type |
Wall or Pipe Mounting |
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Casing material |
Cast aluminum alloy |
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Explosion-proof approval |
Ex d IIC T5 |
4-20mA Transmitter:
