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RKI Instruments GX-94 Portable Monitor, LEL/O2/H2S - 72-0220RK
Item #:
72-0220RK
Brand:
RKI Instruments
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72-0220RK GX-94 Portable Monitor, LEL/O2/H2S by RKI Instruments
The GX-94 is a powerful and economical solution for confined space gas monitoring requirements. For one low price you receive features such as single-button autocalibration of all gases, datalogging with a lunch break mode, continuous operation for 12 hours on only 2 size C alkaline batteries with a dual low battery alarm (warning and fully dead). You also get simultaneous readout of all 4 gases on an auto back-lit LCD display, a high impact RFI shielded housing, user adjustable audible and visual alarm settings, additional STEL / TWA / Ceiling alarms and readouts, as well as peak or average readouts. The GX-94 has proven to be a highly reliable and rugged gas monitor.
This compact portable instrument will monitor for % LEL levels of combustibles, oxygen deficiency, and ppm levels of hydrogen sulfide and carbon monoxide. The GX-94 is also ergonomically designed with a wide, steelbelt clip that positions the instrument's display and visual alarms facing up at the user. There are several sampling options with the GX-94 including its standard diffusion configuration, the attachable battery driven pump or the hand-aspirated pump. A protective, padded, waterproof carrying case is also available which custom fits the GX-94 and all of its accessories in a protective, foam padding. UL Classified as intrinsically safe.
Features
- RFI shielded high impact plastic
- Microprocessor controlled
- Simultaneous monitoring from 2 to 4 gases
- Push button calibration
- Internal data logger standard
- STEL, TWA, and Ceiling display readouts
- Peak and Average readouts
- Auto back-lit LCD display
- Audible and visual alarms
- Lunch-break mode
- Training CD included
- Intrinsically safe, U.L. Classified
Applications
- Confined Spaces
- Sewage Treatment Plants
- Utility Manholes
- Tunnels
- Hazardous Waste Sites
- Refineries
- Mines
- Chemical Plants
- Paper Mills
*Please note we can only ship RKI products to customers within the United States
| Gas Detected | Combustible gases (Methane as standard) | Oxygen (O2) | Hydrogen Sulfide (H2S) | Carbon Monoxide (CO) |
| Detection Principle | Catalytic combustion | Galvanic cell | Electro-chemical cell | |
| Detection Range | 0 ~ 99% LEL | 0 ~ 40.0 vol% | 0 ~ 99.5 ppm | 0 ~ 500 ppm |
| Sampling Method | Diffusion sampling | |||
| Display | 2 digits (1% LEL / digit) |
3 digits (0.1 vol % digit) |
3 digits (0.5 ppm digit) |
3 digits (1 ppm/digit) |
| LCD with auto backlighting | ||||
| Indication Accuracy | ± 2% LEL from 0 ~ 20% range ± 5% LEL for 20 to 100% range |
± 0.5% Oxygen | ± 1.5 ppm from 0 ~ 30 ppm range ± 5 ppm from 30 ~ 99.5 ppm range |
± 5 ppm from 0 -150 ppm ± 5 ppm from 150 - 500 ppm |
| Alarms (User Adjustable) | 1st alarm 10% LEL 2nd alarm 50% LEL Max alarm 100% LEL |
Low alarm 19.5% High alarm 23.5% Max alarm 40.0% |
1st alarm 10 ppm Ceiling alarm OFF TWA alarm 10 ppm STEL alarm 15 ppm Max alarm 100 ppm |
1st alarm 25 ppm Ceiling alarm OFF TWA alarm 25 ppm STEL alarm 400 ppm Max alarm 500 ppm |
| Alarm Method | Buzzer (80dB) and individual LED lamp (self-reset) | |||
| Special Functions | Dosimeter: Indicates Time Weighted Average (TWA), Short Term Exposure Limit (STEL) Peak hold: Indicates highest readings since start up, lowest reading for oxygen Delayed turn off: Approx. 5 seconds, prevents inadvertent turn off Integral data logger: Selectable data log intervals (5 sec to 5 min), up to 45 hours total log time Demand zero: Zero only on demand |
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| Operating Temp. & Humidity | -10°C ~ + 40°C (14 to 104°F), 0 to 95% RH, non-condensing | |||
| Data Logger Output | RS-232 to PC | |||
| Continuous Operating Hours | Approx. 12 hours using alkaline batteries. 8 hours using Ni-Cd batteries | |||
| Power Source | C size alkaline battery (2 pcs) or Ni-Cd battery (optional, externally charged) | |||
| Safety Design | Intrinsically safe, U.L. Classified, Class I, Division 1, Groups A, B, C and D | |||
| Dimensions & Weight | 90 x 64 x 160mm (3.54" x 2.52" x 6.3"), approx. 700g (25 ounces) | |||
| Case Material | Weather proof. RFI Shielded high Impact plastic | |||
| Controls | Touch operated: DISPLAY, AIR, ON/OFF, SHIFT | |||
| Warranty | One year material and workmanship | |||
| Standard Accessories | Shoulder strap,Alkaline Batteries, Instruction Manual and Training CD | |||
| Optional Accessories | Sample draw pump Sample draw adapter plate Data connector, CPU adapter type RC-1 Remote repeater alarm Padded carrying case Ni-Cd batteries and charger Calibration kit |
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