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Gas Detected
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Combustible Gases
(Methane as standard) |
% Volume
Methane |
Oxygen (O2)
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Hydrogen Sulfide (H2S)
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Carbon Monoxide (CO)
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| Detection Principle |
Catalytic combustion
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Thermal conductivity
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Galvanic cell
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Electrochemical cell
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| Detection Range |
0 ~ 100% LEL
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0 ~ 100% Vol.
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0 ~ 40% Vol.
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0 ~ 100 ppm
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0 ~ 500 ppm
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| Accuracy Statement (whichever is greater) |
± 5% of reading or
± 2% LEL |
± 5% of reading or ± 2% of full scale
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± 0.5% O2
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± 5% of reading or ± 2 ppm H2S
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± 5% of reading or ± 5 ppm CO
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| 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 |
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| Alarm Methods | Gas alarms: Flashing lights, two tone buzzer, and vibration Trouble alarms: Flashing lights, trouble displayed, intermittent buzzer, and vibration |
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| Operating Temp. & Humidity | -20°C to +50°C (-4°F to 122°F) 0 to 95% RH, non-condensing |
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| Response Time | Within 30 seconds (T90) | ||||
| Continuous Operation | Alkaline battery: 15 hours Li-Ion battery: 10 hours 70°F (21°C) |
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| 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 |
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| 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 |
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| 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 |
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| Configurations | 1, 2, 3, 4, or 5 sensor units Li-Ion or alkaline battery pack options |
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