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RKI Instruments GX-86A Four Gas Diffusion Monitor, LEL/O2/H2S/CO - 72-7525RK
Item #:
72-7525RK
Brand:
RKI Instruments
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72-7525RK GX-86A Four Gas Diffusion Monitor, LEL/O2/H2S/CO by RKI Instruments
The GX-82A and GX-86A can detect a combination of Combustible, Oxygen, and toxic gases (Carbon Monoxide or Hydrogen Sulfide). The GX-82A and GX-86A are enhanced popular designs of the time tested GX-82 and GX-86. These new designs maintain all of the popular features on the original models such as the unique removable sensor block engineered for extender cables, sample drawing attachable pump capability, and easy to replace "bayonet" style sensors. Controlled by a microprocessor, the GX-82A and GX-86A models provide continuous monitoring for 12 hours on 2 "C" size alkaline batteries, data logging, and autocalibration of all channels simultaneously. All accessories for prior models are interchangeable with the new "A" series instruments. UL classified as intrinsically safe.
Features
- Detachable Sensor Block with extender cable
- Data logging capability
- Microprocessor controlled
- Peak hold function
- Push button auto calibration
- Continuous diffusion monitoring
- Sensor extender cable capability
- Sample pump capability
- Time weighted average
- Alkaline or Ni-Cad capable
- User adjustable alarms
- Low cost sensor replacements
Applications
- Sewage Treatment Plants
- Utility Manholes
- Tunnels
- Hazardous Waste Sites
- Refineries
- Mines
- Chemical Plants
- Paper Mills
- Drilling Rigs
- Pipelines
- Storage Tanks
*Please note we can only ship RKI products to customers within the United States
| Gas detected | All combustible gases (Methane as standard) |
Oxygen (O2) |
Hydrogen Sulfide (H2S) |
Carbon Monoxide (CO) |
| Detection principle | Catalytic combustion | Galvanic cell | Electrochemical cell | Electrochemical cell |
| Detection range | 0 ~ 99% LEL | 0 ~ 40.0 vol % | 0 ~ 99.5 ppm | 0 ~ 499 ppm |
| Sampling method | Diffusion sampling, or with optional attachable pump, aspirator or sensor extender cable | |||
| 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 up 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 0~50 ppm range ± 15 ppm from 50~150 ppm ± 25 ppm from 150-499 ppm |
| Alarms (User adjustable) | 1st alarm 10% LEL 2nd alarm 50% LEL Max alarm 100% |
Low alarm 19.5% LEL High alarm 23.5% LEL Max alarm 40% |
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 reading since start up, lowest reading for oxygen Delayed turn off: Approx. 5 seconds, prevents inadvertent turn off Integral data logger: Selectable data log intervals up to 90 hrs., total log time Demand zero: Zero only on demand Calibration: Auto calibration with multi gas Cylinder or push button calibration with individual gas Cylinders |
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| Operating temp. & humidity | -10°C ~ +40°C (14°F to 104°F), 0 to 95% RH, non-condensing | |||
| Data logger output | RS-232C, 4800 Baud Rate | |||
| Continuous operating hours | Approx. 12 hours using Alkaline batteries. 10 hours using Ni-Cad batteries | |||
| Power source | C size alkaline battery (2 pcs) or Ni-Cad battery (optional, internally charged) | |||
| Safety design | Intrinsically safe, Class I, Division I, Groups A, B, C and D | |||
| Dimensions & weight | GX-82A: 7 1/4"L x 3 3/8"W X 2.0"H, 2 lb, 6 oz GX-86A: 7 1/4"L x 5.0"W X 2 1/2"H, 3 lb |
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| Case material | High impact plastic | |||
| Controls | Touch operated: DISPLAY, AIR, ON/OFF, SHIFT | |||
| Warranty | One year material and workmanship | |||
| Standard accessories | Belt mounted vinyl carrying case, Shoulder strap, Alkaline batteries, Charcoal filter (if applicable), Instruction manual | |||
