RKI Instruments GX-3R Confined Space 4 Gas Personal Gas Detector 72-RA-CThe GX-3R is the worlds smallest 4 gas monitor weighing only 3.52 ounces and can comfortably be clipped within a worker’s breathing zone (2.2” W x 2.55” H x 1.02” D). It simultaneously monitors and displays LEL combustibles; O2; CO (Hydrogen compensated CO also available); and H2S.FEATURES:Simultaneous detection of 4 gases.Smallest & lightest 4 gas monitor.Simple 2-button operation.Non-Compliance Indicator.Alarms: audible; visual; & vibration.3 user adjustable alarm levels.Impact resistant body with removable rubber boot.Large LCD Auto-backlit display.25 hours of operation (Lithium-ion battery).Field replaceable sensors & filters.Water and dust resistant design; IP66/68.3 Year warranty.APPLICATIONS:Personal monitoring.Confined spaces.Refineries/petrochemical.Utilities.Oil and Gas.Water/Wastewater.Fire Services.Construction.SPECIFICATIONS:Gas Detection Specifications (Part 1)Gas DetectedSensor SlotDetection Principle(CO) H2 Compensated1ECCarbon Monoxide (CO)1Dual ECHydrogen Sulfide (H2S)1Dual ECH2S Only1ECCombustible Gases (Methane as standard)2Catalytic combustionOxygen3ECGas Detection Specifications (Part 2)Gas DetectedDetection Range (Increments)Accuracy Statement(CO) H2 Compensated0 ~ 2;000 ppm (1 ppm)± 5% of reading or ± 2 ppm COCarbon Monoxide (CO)0 ~ 2;000 ppm (1 ppm)± 5% of reading or ± 5 ppm CO (whichever is greater)Hydrogen Sulfide (H2S)0 ~ 200.0 ppm (0.1 ppm)± 5% of reading or ± 2 ppm H2S (whichever is greater)H2S Only0 ~ 200.0 ppm (0.1 ppm)± 5% of reading or ± 2 ppm H2S (whichever is greater)Combustible Gases (Methane as standard)0 ~ 100% LEL (1% LEL)± 5% of reading or ± 2% LEL (whichever is greater)Oxygen0 ~ 40% Vol. (0.1%)± 5% of reading O2General SpecificationsSampling MethodDiffusion sampling standard (hand aspirator or clip-on motorized pump optional).DisplayDigital LCD displays with 7 segment plus 14 segment plus icon.Preset Alarms (User Adjustable) Overscale Alarm (Non-Adjustable)1st alarm: 25.0 ppm2nd alarm: 50.0 ppm3rd alarm: 1200.0 ppmTWA alarm: 25.0 ppmSTEL alarm: 200.0 ppmOver alarm: 2000.0 ppm1st alarm: 5.0 ppm2nd alarm: 30.0 ppm3rd alarm: 100.0 ppmTWA alarm: 1.0 ppmSTEL alarm: 5.0 ppmOver alarm: 200.0 ppm1st alarm: 10% LEL2nd alarm: 25% LEL3rd alarm: 50% LELOver alarm: 100% LELTypes of AlarmsGas Alarm: 3 Increasing alarms; STEL; TWA; overscale alarm. O2 decreasing/increasing.Trouble Alarm: Sensor disconnection; low battery; circuit error; calibration range error.Display of AlarmGas Alarm: Flashing LEDs; continuous buzzer (100 db @ 30 cm); flashing gas value; vibration.Trouble Alarm: Flashing LEDs; intermittent buzzer (95 db @ 30 cm); display of error message.Operating Temp. & Humidity-20°C ~ +50°C [ -4°F ~ +122°F ]; 10 to 90% RH; non-condensing (continuous environment).-40°C ~ +60°C [ -40°F ~ +140°F ]; 0 to 95% RH; non-condensing (temporary environment; 15 minutes).Response TimeWithin 30 seconds (T90)Power SourceLithium-ion battery; Approx. 25 hours after a 3 hour full charge.ApprovalsATEX; CSADimension & Weight2.2” W x 2.55” H x 1.02” D (Approx. 58 W x 65 H x 26 D mm); 3.52 ounces (approx. 100 g) without rubber booth.2.4” W x 2.63” H x 1.06” D (Approx. 61 W x 67 H x 27 D mm); 3.70 ounces (approx. 105 g) with rubber booth.Case MaterialExplosion proof; dust and water resistant to IP-66/68 (2m;1h) approval. Drop height 23 ft.ControlsTwo buttons: POWER / MODE; AIRDataloggingLogs user ID; station ID; Calibration & Bump Test history; Alarm Events & Alarm Interval Trends.WarrantyThree years material and workmanship.AccessoriesStandard Accessories• Alligator clip• Protective rubber boot• A/C Charger• Calibration AdapterOptional Accessories• SDM-3R calibration station• RP-3R Clip-on sampling pump with 4” rubber nipple; 10’ hose and probe (up to 40’ hose available)• Padded carrying case for GX-3R and accessories• USB to IrDA downloading cable for datalogger" RKI Instruments GX-3R Confined Space 4 Gas Personal Gas Detector 72-RA-C