Cảm biến đo nồng độ khí CH4

Model: SG-4/NW

TECHNICAL DATA
Gases Detected	Most combustible gases and vapours
Range (two subrange)	0 ÷ 100% LEL CH4 0 ÷ 100% V/V CH4
Operating Voltage	3.6 V ÷ 3.8 V DC (PC-41xx) 2.4 V ÷ 3.8 V DC (PC-42xx)
Current	≤ 45 mA
Output Sensitivity	≥ 30 mV/%CH4 (0 ÷ 100% LEL) ≥ 2 mV/%CH4 (0 ÷ 100% V/V) CH4
Operating Mode	continuous or impulsive
Detecting sensor	PC-41xx (0-100% LEL) PC-42xx (0-100% V/V)
Poison Resistance	Silicone resistance (filter)
Linearity	± 1,5% LEL up to 3% (CH4)
Response Time	T90 ≤ 3s
Long Term Sensitivity Drift	≤ 1% LEL (CH4)/month (0 ÷ 100% LEL)
Long Term Zero Drift	≤ 1% LEL (CH4)/month
Operating Temperature	-20°C ¸ +40°C
Humidity	0¸95% RH non-condensing
Certificate Number	KDB 06 ATEX 426
Available in version	SG-4/N (0 ÷ 100% LEL CH4) SG-4/W (0 ÷ 100% V/V CH4)

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