Gas Detected
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Combustible Gases (Methane as standard)
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Oxygen (O2)
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Hydrogen Sulfide (H2S)
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Carbon Monoxide (CO)
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Detection Principle
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Catalytic combustion
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Galvanic cell
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Electrochemical cell
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Detection Range (Increments)
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0 ~ 100% LEL (1% LEL)
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0 ~ 40.0% Vol.
(0.1% Vol.)
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0 ~ 100.0 ppm (0.5 ppm)
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0 ~ 500 ppm (1 ppm)
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Accuracy Statement
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± 5% of reading or ± 2% LEL (whichever is greater)
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± 0.5% O2
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± 5% of reading or ± 2 ppm H2S (whichever is greater)
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± 5% of reading or ± 5 ppm CO
(whichever is greater)
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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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Preset Alarms
(User Adjustable)
Overscale alarm
(Non-adjustable)
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1st alarm 10% LEL
2nd alarm 50% LEL
Over alarm 100% LEL
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Low alarm 19.5%
High alarm 23.5%
Over alarm 40.0%
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1st alarm 5 ppm
2nd alarm 30 ppm
TWA alarm 1 ppm
STEL alarm 5 ppm
Over alarm 100 ppm
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1st alarm 25 ppm
2nd alarm 50 ppm
TWA alarm 25 ppm
STEL alarm 200 ppm
Over alarm 500 ppm
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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)
The GX-2009 is designed around RKI’s compact and proven sensors, utilizing catalytic combustion, electrochemical and galvanic sensor technologies. Each miniaturized sensor is manufactured with the same high quality control that has made RKI sensors and instruments the most reliable and long lasting monitoring devices in the industry.
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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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Required Accessories
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Battery charger
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Standard Accessories
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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
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Optional Accessories
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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
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Configurations
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- 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
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Two years material and workmanship
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