Cảm biến đo nồng độ khí CH4

Model: SG-1/NW

Cảm biến sử dụng cho đầu đo khí CPC-2, SC-CH4,….của hệ thống quan trắc khí KSP-2 hiệu Carbo – Balan


TECHNICAL DATA

Gases Detected

Most combustible gases and vapours

Range (two subrange)

0 ÷ 100% LEL CH4

0 ÷ 100% V/V CH4

Operating Voltage

3.0 V ¸ 3.3 V DC (PC-31xx); (typical 3.2V)

2.0 V ¸ 3.3 V DC (PC-32xx)

Current

≤ 60 mA (U=3.2 V)

Output Sensitivity

≥ 30 mV/%CH4 (0 ÷ 100% LEL)

≥ 2 mV/%CH4 (0 ÷ 100% V/V) CH4; (U=3.2 V)

Operating Mode

continuous or impulsive

Detecting sensor

PC-31xx (0-100% LEL)

PC-32xx (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-1/N (0 ÷ 100% LEL CH4)

SG-1/W (0 ÷ 100% V/V CH4)