Gas Detected | Combustible Gases (Methane as standard) | Oxygen (O2) | Hydrogen Sulfide (H2S) | Carbon Monoxide (CO) |
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Detection Principle | Catalytic combustion | Galvanic cell | Electrochemical cell |
Detection Range (Increments) | 0 ~ 100% LEL (1% LEL) | 0 ~ 40.0% Vol. (0.1% Vol.) | 0 ~ 100.0 ppm (0.5 ppm) | 0 ~ 500 ppm (1 ppm) |
Accuracy Statement | ± 5% of reading or ± 2% LEL (whichever is greater) | ± 0.5% O2 | ± 5% of reading or ± 2 ppm H2S (whichever is greater) | ± 5% of reading or ± 5 ppm CO (whichever is greater) |
Sampling Method | Diffusion sampling standard / hand aspirator or motorized pump optional |
Display | Digital LCD displays all four gases simultaneously, with auto backlight |
Preset Alarms (User Adjustable) Overscale alarm (Non-adjustable) | 1st alarm 10% LEL 2nd alarm 50% LEL Over alarm 100% LEL | Low alarm 19.5% High alarm 23.5% Over alarm 40.0% | 1st alarm 5 ppm 2nd alarm 30 ppm TWA alarm 1 ppm STEL alarm 5 ppm Over alarm 100 ppm | 1st alarm 25 ppm 2nd alarm 50 ppm TWA alarm 25 ppm STEL alarm 200 ppm Over alarm 500 ppm |
Types of Alarms | Gas Alarm: 2 Increasing alarms, STEL, TWA, overscale alarm. O2 decreasing/increasing. Trouble alarm: Sensor disconnection, low battery, circuit error, calibration range error |
Display of Alarm | Gas Alarm: Flashing LEDs, intermittent buzzer (95 db @ 30 cm), flashing gas value, vibration Trouble alarm: Flashing LEDs, intermittent buzzer (95 db @ 30 cm), display of error message |
Operating Temp. & Humidity | -4°F to 122°F (-20°C ~ +50°C), 0 to 95% RH, non-condensing (splash resistant) |
Response Time | Within 30 seconds (T90) |
Continuous Operation | 20 hours after a 3 hour full charge (14 hours after 90 min charge) |
Power Source | Direct charging NiMH batteries, set of 2 |
Safety Design / Approvals | IECEx zone 0 Ex ia IIC T4; ATEX II 1G Ex ia IIC T4; (optional MSHA version also available) c CSA us classified, as intrinsically safe. Class I, Division 1, Groups A, B, C, D |
Dimension & Weight | 2.7” H x 3” W x 1” D (Approx. 70 H x 75 W x 25 D mm), 4.6 ounces (approx. 130 g) |
Case Material | High impact over molded rubber. Dust and water resistant with IP-67 approval. |
Controls | Two buttons: POWER / MODE, AIR |
Datalogging | Standard with all instruments. Stores 8 alarm trend sessions where readings are recorded 30 minutes before and after an alarm event. 3,600 data point capacity with a log time range of 10 to 300 hours (based on programmable interval times); and stores up to 100 calibration records. |
Required Accessories | Battery charger |
Standard Accessories | Alligator clip 13-0116RK NiMH batteries (set of 2) 49-1609RK Charging station with 115/220 VAC power supply (also available without power supply, 49-2170RK) 49-2170RK-01 Product CD (includes datalogging software) 71-8002RK |
Optional Accessories | Belt Clip 13-0117RK Padded carrying case for GX-2009 and accessories 20-0112RK-01 Charging station, 115/220 VAC powered for 2, 3, 4, or 5 instruments 49-2170RK-XX Charging station with 12 VDC power supply and vehicle adapter plug 49-2171RK 12 VDC adapter with vehicle plug (does not include charger base) 49-2020RK RP-2009 pump with 4” rubber nipple, 10’ hose and probe (up to 40’ hose available) 81-1177RK RP-6 sample drawing pump with 10’ hose and probe (up to 40’ hose available) 81-1166RK Hand aspirated sample draw with 10’ hose and probe (up to 40’ hose available) 81-1160RK USB to IrDA downloading cable 47-5084RK-01 SDM-2009 single calibration station 81-SDM2009-01 |
Configurations | - 4 gas, LEL / O2 / H2S / CO
- 3 gas, LEL / O2 / H2S
- 3 gas, LEL / O2 / CO
- 2 gas, LEL / O2
- 2 gas, O2 / H2S
- 2 gas, O2 / CO
- Single gas LEL, O2, CO, or H2S
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Warranty | Two years material and workmanship |