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Applicable Gas: CH4S
Model: OC-F08 CH4S (0~20ppm)
Detecting Range: 0~20ppm
Sampling: Diffusion or pump-suction, circulation selectable
Accuracy: ≤±3%F.S
Repeatability: ≤±1%
Zero drift: ≤±1%(F.S/year)
Sensor Type: Electrochemical sensor
Sensor Life: 2~3 years
Response Time: (T90) ≤20s
Alarming mode: Audible-visual alarm（Optional）
Operating Environment
Temperature: -30℃~60℃ (Customized for special demands)
Humidity: ≤95%RH (non-condensing); if >90%RH, can add the filter
Pressure: 86kPa~106kPa
Working Voltage: 24V DC(16~30VDC)
Output Signals
(Standard)Three-wire system 4~20mA standard signals output, available for PLC, DCS, etc;
(Optional) Four-wire system RS485 digital signal output;
(Optional) Frequency signal 200~1000Hz output;
Two-level relay output: 220VAC 0.5A, 5VDC 0.5A
Installation Means: Wall mounted, Pipe type(Thread:M40*1.5 )
Material of Body: Cast aluminum
Explosion-proof Index: Ex d IIC T6
Protection Grade: IP66
Electrical Interface: 3/4″NPT(Female Screw)、1/2″NPT(Female Screw)
Transmit Distance: ≤2000m
Dimension: 210 mm×140 mm×92 mm（L×W×H）
Weight: About 1.5Kg
Standards: GB15322.1-2003，GB3836.1-2010，GB3836.2-2010，GB3836.4-2010
Option: For other measuring ranges please see datasheet or Contact us to customize the suitable one.
