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	Industry Applications Sewage Treatment Plants Utility Manholes Tunnels Hazardous Waste Sites Refineries Mines Chemical Plants Paper Mills Drilling Rigs Pipelines Storage Tanks

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
Operating temp. &humidity	-10ºC~+40ºC (14ºF to 104ºF), 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 batter (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
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

Optional Accesories:

Product Description	Part #
Calibration kit including 58 ltr. cylinder, regulator, calibration shell, case and tubing	81-GX86AHSCO
Waterproof carrying case for instrument & accessories	20-0602RK
Hand operated sample draw with 10’ hose & probe	81-1159RK
Sensor extender cable, 5 meters for GX-82A	47-1641RK
Sensor extender cable, 5 meters for GX-86A	47-1631RK
Sample drawing pump for GX-86A	81-1154RK
Sample drawing pump for GX-82A	81-1141RK
Battery charger for GX-82A or GX-86A, 115VAC	49-2124RK
Shoulder strap	13-0190RK
Continuous operation adaptor for GX-82A or GX-86A, 115VAC	49-2125RK
Also available:
Ni-Cad batteries, Remote repeater alarm

Specifications subject to change without notice.
Please specify gas combination when ordering.