| 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, and CE or optionally: CSA classified as intrinsically safe. Class I, Division 1, Groups A, B, C, D, and CE
Note: Either ATEX (USA and worldwide) or CSA (Canada) version must be specified when ordering.
|
| 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, 3.5” • 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, • Carrying case
up to 50’ max. available) |
| Configurations |
1, 2, 3, 4, or 5 sensor units
Li-Ion or alkaline battery pack options |
| Warranty |
Two years material and workmanship |