| GX-2009 Specifications
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| Sampling Method
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Diffusion sampling standard / hand aspirator or motorized pump optional
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| Display
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Digital LCD displays all four gases simultaneously, with auto backlight
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| Types of Alarms
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Gas Alarm: 2 Increasing alarms, STEL, TWA, overscale alarm. O2 decreasing/increasing.
Trouble alarm: Sensor disconnection, low battery, circuit error, calibration range error
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| Display of Alarm
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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
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| Operating Temp. & Humidity
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-4°F to 122°F (-20°C ~ +50°C), 0 to 95% RH, non-condensing (splash resistant)
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| Response Time
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Within 30 seconds (T90)
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| Continuous Operation
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20 hours after a 3 hour full charge (14 hours after 90 min charge)
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| Power Source
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Direct charging NiMH batteries, set of 2
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| Safety Design / Approvals
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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
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| Dimension & Weight
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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)
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| Case Material
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High impact over molded rubber. Dust and water resistant with IP-67 approval.
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| Controls
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Two buttons: POWER / MODE, AIR
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| Datalogging
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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.
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| Sensor Specs
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Combustible Gases (LEL)
- Range: 0 ~ 100% LEL (1% LEL increments)
- Accuracy: ± 5% of reading or ± 2% LEL (whichever is greater)
- Preset Alarms: 1st alarm 10% LEL, 2nd alarm 50% LEL, Over alarm 100% LEL
Oxygen (O2)
- Range: 0 ~ 40.0% Vol. (0.1% Vol. increments)
- Accuracy: ± 0.5% O2
- Preset Alarms: Low alarm 19.5%, High alarm 23.5%, Over alarm 40.0%
Carbon Monoxide (CO)
- Range: 0 ~ 500 ppm (1 ppm increments)
- Accuracy: ± 5% of reading or ± 5 ppm CO (whichever is greater)
- Preset Alarms: 1st alarm 25 ppm, 2nd alarm 50 ppm, TWA alarm 25 ppm, STEL alarm 200 ppm, Over alarm 500 ppm
Hydrogen Sulfide (H2S)
- Range: 0 ~ 100.0 ppm (0.5 ppm increments)
- Accuracy: ± 5% of reading or ± 2 ppm H2S (whichever is greater)
- Preset Alarms: 1st alarm 5 ppm, 2nd alarm 30 ppm, TWA alarm 1 ppm, STEL alarm 5 ppm, Over alarm 100 ppm
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| Warranty
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Two years material and workmanship
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