GX-2012

Overview

With the GX-2012, you have multiple tools in one instrument. Having 3 operating modes, the GX-2012 can be used for confined space, safety monitoring in it’s Normal Operating mode; for leak investigation in Leak Check mode; and for underground leak checking in Bar Hole mode. When equipped with an optional TC sensor, the GX-2012 can measure 100% volume methane and dynamically auto range from % LEL to % volume. This is ideal for line purge testing.

Built around high-quality micro-sensor technology, the GX-2012 is RKI’s smallest personal 1-5 sensor gas monitor with a built in sample pump. Weighing only 12.3 ounces, the GX-2012 can monitor the standard confined space gases (LEL combustibles, Oxygen content, Carbon Monoxide, and Hydrogen Sulfide).

Features

Monitors ppm LEL, % volume methane, O2, CO and H2S
0 to 100% volume methane option
Auto-ranging display of % LEL and % volume
3 Operating modes: Normal, leak check, & bar hole
PPM leak detector
Adjustable display ranges
Visual / audible pulses change with gas concentration
CO display in leak check mode
Bar hole test mode for underground leak checks
Internal sample drawing pump with up to 100 feet range
Vibration, visual, and audible alarms
Automatic backlight during alarms
Lithium ion or alkaline battery packs (interchangeable)
Intrinsically safe, ATEX/IECEx/CE or CSA/CE (Optional)

Applications

Personal monitoring
Confined space entry
Refineries / petrochemical
Chemical plants
Hazardous material
Water / wastewater treatment
Fire services
Mining

Specifications

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General Specifications

Gas DetectedCombustible Gases (Methane as standard)% Volume MethaneOxygen (O2)Hydrogen Sulfide (H2S)Carbon Monoxide (CO)
Detection PrincipleCatalytic combustionThermal conductivityGalvanic cellElectrochemical cellElectrochemical cell
Detection Range0 ~ 100% LEL 0 ~ 500 / 1,000 / 2,000 / 5,000 ppm0 ~ 100% Vol.0 ~ 40% Vol.0 ~ 100 ppm (Optional 0-500 ppm)0 ~ 500 ppm
Accuracy Statement (whichever is greater)± 5% of reading or ± 2% LEL (LEL mode only)± 5% of reading or ± 2% of full scale± 0.5% O2± 5% of reading or ± 2 ppm H2S± 5% of reading or ± 5 ppm CO
Preset Alarms (User Adjustable)1st alarm 10% LEL 2nd alarm 50% LEL Over alarm 100% LELNo alarms for % Vol. CH4Low alarm 19.5% High alarm 23.5% Over alarm 40.0%1st 5 ppm 2nd 30 ppm TWA 10 ppm STEL 15 ppm Over 100 ppm1st 25 ppm 2nd 50 ppm TWA 25 ppm STEL 200 ppm Over 500 ppm
Alarms TypesGas alarms: 1st and 2nd, STEL, TWA (user adjustable) and OVER Trouble alarms: Sensor connection, low battery, low flow, circuit trouble and calibration error
Alarm MethodsGas alarms: Flashing lights, two tone buzzer, and vibration Trouble alarms: Flashing lights, trouble displayed, intermittent buzzer, and vibration
Sampling MethodInternal sample pump, flow rate nominal 0.5 LPM, includes hydrophobic filter
DisplayDigital LCD with 7 segments, auto backlight during alarm
Operating Temp. & Humidity-20°C to +50°C (-4°F to 122°F) 0 to 95% RH, non-condensing
Response TimeWithin 30 seconds (T90)
Continuous OperationAlkaline battery: 15 hours Li-Ion battery: 10 hours 70°F (21°C)
Power SourceLi-Ion battery pack, or 3 “AA” Alkaline battery pack; interchangeable
Safety RatingATEX, TIIS, IECEx, CE, CSA classified (as standard), as intrinsically safe. Class I, Division 1, Groups A, B, C, D (optional version available)
Dimension & WeightApprox. 143 (H) x 71 (W) x 43 (D) mm (5.6” H x 2.8” W x 1.6” D), approx. 350 g (12.3 ounces)
Case MaterialHigh dust & water resistant design. RFI shielded high impact plastic with protective rubber overmolding
ControlsFive buttons: POWER / ENTER, DISPLAY, AIR, RESET, SHIFT
Standard Accessories• Belt clip • Rubber nozzle, 3.5” • Datalogging software • 10” Probe • Manual • Quick reference card • 10’ Hose • Training CD
Optional Accessories• SDM-2012 calibration stations • Calibration kit • Li-Ion battery pack • AC or DC Charger • Sample draw hoses (10’ standard, • Carrying case up to 100’ max. available)
Configurations1, 2, 3, 4, or 5 sensor units Li-Ion or alkaline battery pack options
WarrantyTwo years material and workmanship

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