RKI is proud to offer the smallest and lightest 4-gas monitor in the world, the GX-2009. Weighing only 4.6 ounces, it fits in the palm of your hand (2.75” H x 2.95” L x .98” D). The GX-2009 simultaneously monitors and displays combustibles, oxygen, carbon monoxide, and hydrogen sulfide. The GX-2009 represents the latest evolution of gas detection technology. Advancements include dual audible alarm ports and alarm LED’s on 3 sides of the instrument, so that alarm conditions are obvious from multiple perspectives especially in high noise environments. Other features include a water-resistant and dustproof design with IP 67 rating, an impact resistant rubber over-mold body that is RFI resistant, and a large capacity data logging system included as standard.

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Quick Overview

Simultaneous detection of 4 gases, LEL, O2, H2S & CO Smallest / Lightest 4 gas monitor on the market ° 2.7” H x 3” W x 1” D, 4.6 oz Dual audible alarm ports (95 db @ 30 cm) 3 visual alarm LED’s Vibration alarm IP-67 water-resistant/dustproof design Calibration and bump test lock out or reminder controls Large capacity data logging standard - 8 alarm trends - Log time range of 10 to 300 hrs - 100 calibration records 20 hours of operation (NiMH batteries) Large LCD display screen Automatic backlighting at alarm Impact resistant over-mold body, RFI shielded body STEL and TWA readouts Intrinsically safe, CSA, C/US classified, IECEx / ATEX approved

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Details

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.

Gas Detected	Combustible Gases (Methane as standard)	Oxygen (O2)	Hydrogen Sulfide (H2S)	Carbon Monoxide (CO)
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; 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 glow in the dark 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 47-5027RK 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, H2S
Warranty	Two years material and workmanship

Additional Information

Manufacturer: RKI Instruments

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#	Part Number	Description
1	21-1880RK	Front case, GX-2009
2	07-6017RK-01	Gasket for GX-2009 case, one each
3	30-1054RK	Vibration motor for the GX-2009
4	51-1119RK	LCD module assembly with flat cable for GX-2009
5	57-2052RK	PCB main assembly, GX-2009
5	65-7001RK	Dummy sensor for GX-2001 or GX-2009
6	21-1881RK	Case, rear, GX-2009
7	10-1098RK-01	Screw with split lock and flat washers for alligator or belt clip, GX-2009, 1 each
8	10-1104RK	Screw for case or sensor retainer, M2 x 10 mm, GX-2001 or GX-2009, pack of 100
9	33-1113RK-01	Metal mesh filter for buzzer hole, GX-2009, 1 each
9	49-0115RK	115 / 220 VAC Adapter for charger (charger base not included), GX-2009
10	07-6018RK	Gasket for buzzer hole, GX-2009
11	24-5000RK	Flexible printed circuit (FPC), GX-2009
12	49-1050RK	Battery, silver oxide, SR 616, 1.55 volts, GX-2009
13	49-1609RK	NiMH battery set with hardware for GX-2009, set of 2 batteries
14	13-0119RK	Alligator clip, GX-2009
17	21-1883RK	Sensor case with PCB assembly, GX-2009
18	07-6008RK	O-ring gasket for sensor case, GX-2009, pack of 10
18	07-6008RK-01	O-ring gasket for sensor case, GX-2009, 1 each
19	OS-BM2	Sensor, Oxygen (O2) for GX-2001/GX-2003/GX-2009/GasWatch 2/OX-01
20	NC-6264A	Sensor, LEL, for GX-2001/GX-2003/GX-2009/GP-01
21	ES-1821	Sensor, Carbon Monoxide (CO) for GX-2001/GX-2003/GX-2009/GasWatch 2/CO-01
22	ES-1827i	Sensor, Hydrogen Sulfide (H2S) for GX-2009
23	07-6019RK	Sensor chamber gasket,for sensor retainer,GX-2009
24	21-1882RK	Sensor retainer, GX-2009 (inner piece)
25	33-7114RK	Filter disk, H2S scrubber, 5 pack, for combustible diffusion port, set of 5
26	33-7102RK	Filter, charcoal, for CO sensor, pack of 5
26	33-7102RK-01	Filter, charcoal, for CO sensor, 1 each
27	07-6021RK	Gasket, sensor retainer
28	33-0172RK	Sensor Cover, water proof, sheet for 4 sensors, GX-2009, 1 each
29	21-1884RK	Sensor cover, GX-2009 (outside piece)
30	10-1104RK-01	Screw for case or sensor retainer, M2 x 10 mm, GX-2001 or GX-2009, 1 each
31	13-0112RK	Wrist strap, GX-2001/GX-2003
32	13-0117RK	Belt clip, GX-2009