Gas Detected |
Combustible Gases (Methane as standard) |
% Volume Methane |
PPM Methane |
Oxygen (O2) |
Carbon Monoxide (CO) |
Detection Principle |
Catalytic combustion |
Thermal conductivity |
MOS/catalytic |
Galvanic cell |
Electrochemical cell |
Detection Range |
0 ~ 100% LEL |
0 ~ 100% Vol. |
0 ~ 5000 ppm optional 10,000 ppm range version available |
0 ~ 40% Vol. |
0 ~ 500 ppm |
Accuracy Statement (whichever is greater) |
± 5% of reading or ± 2% LEL |
± 5% of reading or ± 2% of full scale |
± 10% of reading or ± 50 ppm CH4 |
± 0.5% O2 |
± 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 |
Increasing tone/ light pulse as concentration increases |
Low alarm 19.5% High alarm 23.5% Over alarm 40.0% |
1st 25 ppm 2nd 50 ppm TWA 25 ppm STEL 200 ppm Over 500 pp |
Alarms Types |
Leak Tracker Mode: Escalating audible/visual alarm, changes with gas level (audible can be turned off) 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. and 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, or optionally: c CSA us classified, as intrinsically safe. Class I, Division 1, Groups A, B, C, D Note: Either ATEX (USA and worldwide) or CSA (Canada) version must be specified when ordering. |
Dimension and 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 and 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 |