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GX-2012 Specifications

The product datasheet is available for download here (1.3MB).

Gas Detected
Combustible Gases
(Methane as standard)
% Volume
Methane
Oxygen (O2)
Hydrogen Sulfide (H2S)
Carbon Monoxide (CO)
Detection Principle
Catalytic combustion
Thermal conductivity
Galvanic cell
Electrochemical cell
Detection Range
0 ~ 100% LEL
0 ~ 500 / 1,000 / 2,000 / 5,000 ppm
0 ~ 100% Vol.
0 ~ 40% Vol.
0 ~ 100 ppm
0 ~ 500 ppm
Accuracy Statement
(whichever is greater)
5% of reading or
2% LEL
(LEL mode only)
± 5% of reading or ± 2% of full scale
± 0.5% O2
± 5% of reading or ± 2 ppm H2S
± 5% of reading or ± 5 ppm CO
Sampling Method Internal sample pump, flow rate nominal 0.5 LPM, includes hydrophobic filter
Display Digital LCD with 7 segments, auto backlight during alarm
Preset Alarms
(User Adjustable)
1st alarm 10% LEL
2nd alarm 50% LEL
Over alarm 100% LEL
No alarms for
% Vol. CH4
Low alarm 19.5% High alarm 23.5% Over alarm 40.0% 1st 5 ppm
2nd 30 ppm
TWA 10 ppm
STEL 15 ppm
Over 100 ppm
1st 25 ppm
2nd 50 ppm
TWA 25 ppm
STEL 200 ppm
Over 500 ppm
Alarms Types Gas alarms: 1st and 2nd, STEL, TWA (user adjustable) and OVER
Trouble alarms: Sensor connection, low battery, low flow, circuit trouble and calibration error
Alarm Methods Gas alarms: Flashing lights, two tone buzzer, and vibration
Trouble alarms: Flashing lights, trouble displayed, intermittent buzzer, and vibration
Operating Temp. & Humidity -20°C to +50°C (-4°F to 122°F)
0 to 95% RH, non-condensing
Response Time Within 30 seconds (T90)
Continuous Operation Alkaline battery: 15 hours Li-Ion battery: 10 hours
70°F (21°C)
Power Source Li-Ion battery pack, or 3 “AA” Alkaline battery pack; interchangeable
Safety Rating ATEX, TIIS, IECEx, CE,
c CSA us classified (pending), as intrinsically safe. Class I, Division 1, Groups A, B, C, D
Dimension & Weight Approx. 143 (H) x 71 (W) x 43 (D) mm (5.6” H x 2.8” W x 1.6” D), approx. 350 g (12.3 ounces)
Case Material High dust & water resistant design. RFI shielded high impact plastic with protective rubber overmolding
Controls Five buttons: POWER / ENTER, DISPLAY, AIR, RESET, SHIFT
Standard Accessories • Belt clip • Rubber nozzle, 2.5” • Datalogging software
• 10” Probe • Manual • Quick reference card
• 10’ Hose • Training CD
Optional Accessories • SDM-2012 calibration stations • Calibration kit
• Li-Ion battery pack • AC or DC Charger
• Sample draw hoses (10’ standard, up to 50’ max. available) • Carrying case
Configurations 1, 2, 3, 4, or 5 sensor units
Li-Ion or alkaline battery pack options
Warranty Two years material and workmanship