GFG IR 29 Fixed gas sensor (100 % LEL; 100 % V CH₄; 5% CO₂)

Gases measured: Saturated hydrocarbons such as methane, propane, butane, pentane, nonane, etc.; Fuel vapors such as diesel, jet fuel, etc.; Alcohols such as methanol, ethanol, isopropanol, etc.; Acetone; Unsaturated VOCs such as MEK, toluene, butadiene, etc.; CO₂

Measuring ranges: 0 to 100 % LEL or 0 to 100 % volume CH₄; 0 to 5% CO₂

Sensor technology: Non-dispersive IR sensor (NDIR)

Sampling method: Diffusion; Available motorized pump module

Response time: t90 ≈ 35–50 seconds

Electrical characteristics: Supply circuit: 15–30 V DC; 0.6 W; Signal circuit: 0.6 W

Interfaces: 4–20 mA

Power consumption: I max. = 50 mA total for 24 V = 1.2 W

Display: 1.3" x 2.1" / 33 mm x 53 mm LCD; Graphic display with normal or histogram mode; Available with or without display

Service function: Connection via remote control RC-2

Wired remote control RC-2: 4.9 x 2.4 x 1.5 in / 125 x 60 x 38 mm; Connection with cable 33 ft / 10 m; Lithium-ion battery; 3 button control; Ex approval: II 2G Ex ia IIC T4

Wireless IR remote control RC3: 2.4 x 1.8 x 5 in / 60 x 45 x 133 mm; Range: 19.6 ft / 6 m; No display; 3 control buttons; Ex approval: II 2G Ex ia IIC T6

Environmental conditions: Temperature: Operation: -4°F to +131°F / -20°C to +55°C; Storage: -13°F to +131°F / -25°C to +55°C

Air humidity: 0 to 99% RH; 0 to 95% RH non-condensing

Ambient pressure: 750 to 1200 kPa, optionally compensated

Housing: V4A stainless steel (housing); Polycarbonate (display, front cap and cap, foot and bracket)

Transmitter dimensions: 7.3 x 5.3 x 4.6 in / 184 x 134 x 117.5 mm (L x W x H)

Cable connection: Shielded measuring cable; 4 x 0.75 mm² up to 1,640 ft / 500 m; 4 x 1.5 mm² up to 1,640 ft / 500 m

Protection class: IP67; IP56 with rotatable display

Expected average sensor service life: 5 to 10 years

Datasheet