Description
Orders placed before 4 PM EST will be shipped that day.
- Description
- Features
- Applications
- Specifications
- Video
- Documentation
- Spare Parts
- Accessories
- Replacement Sensors
- Calibration Kits
- Calibration Stations
The GX-3R is the world's 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.
The GX-3R represents the latest evolution of gas detection technology utilizing a new generation of micro sensors. The LEL sensor has a unique design with two active filaments in one sensor to increase its resistance to silicone poisoning. If one filament gets poisoned the second filament takes over. The new O2 sensor is electrochemical with a 3 to 5 year life span. H2S and CO are now available in a combo micro sensor.
The GX-3R represents the latest evolution of gas detection technology utilizing a new generation of micro sensors. The LEL sensor has a unique design with two active filaments in one sensor to increase its resistance to silicone poisoning. If one filament gets poisoned the second filament takes over. The new O2 sensor is electrochemical with a 3 to 5 year life span. H2S and CO are now available in a combo micro sensor.
- Smallest & lightest 4 gas monitor
- 2.2″ W x 2.55″ H x 1.02″ D, 3.52 ounces
- Simultaneous detection of 4 gases:
- LEL, O2, H2S & CO H2
- H2 Compensated CO sensor available
- 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
- Stealth mode for law enforcement
- 3 Year warranty
- Personal monitoring
- Confined spaces
- Refineries/petrochemical
- Utilities
- Oil and Gas
- Water/Wastewater
- Fire Services
- Construction
Gas Detected | (CO) H2 Compensated | Carbon Monoxide(CO)-Dual Sensor | Hydrogen Sulfide(H2S)-Dual Sensor | H2S Only | Combustible Gases (Methane as standard) | Oxygen |
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Sensor Slot | 1 | 1 | 1 | 1 | 2 | 3 |
Detection Principle | EC | Dual EC | Dual EC | EC | Catalytic combustion | Electrochemical cell |
Detection Range (Increments) | 0 ~ 2,000 ppm (1 ppm) | 0 ~ 200.0 ppm (0.1 ppm) | 0 ~ 100% LEL (1% LEL) | 0 ~ 40% Vol. (0.1%) | ||
Accuracy Statement | ± 5% of reading or ± 2 ppm CO | ± 5% of reading or ± 5 ppm CO (whichever is greater) | ± 5% of reading or ± 2 ppm H2S (whichever is greater) | ± 5% of reading or ± 2% LEL (whichever is greater) | ± 5% of reading O2 | |
Sampling Method | Diffusion sampling standard (hand aspirator or clip-on motorized pump optional) | |||||
Display | Digital LCD displays with 7 segment plus 14 segment plus icon | |||||
Preset Alarms (User Adjustable) Overscale alarm (Non-adjustable) | 1st alarm: 25.0 ppm | 1st alarm: 5.0 ppm | 1st alarm: 10% LEL | Low 1 alarm: 19.5% | ||
2nd alarm: 50.0 ppm | 2nd alarm: 30.0 ppm | 2nd alarm: 25% LEL | Low 2 alarm: 18.0% | |||
3rd alarm: 1200.0 ppm | 3rd alarm: 100.0 ppm | 3rd alarm: 50% LEL | High alarm: 23.5% | |||
TWA alarm: 25.0 ppm | TWA alarm: 1.0 ppm | Over alarm: 100% LEL | Over alarm: 40.0% | |||
STEL alarm: 200.0 ppm | STEL alarm: 5.0 ppm | |||||
Over alarm: 2000.0 ppm | Over alarm: 200.0 ppm | |||||
Types of Alarms | Gas Alarm: 3 Increasing alarms, STEL, TWA, overscale alarm. O2 decreasing/increasing. | |||||
Trouble alarm: Sensor disconnection, low battery, circuit error, calibration range error | ||||||
Display of Alarm | Gas 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 Time | Within 30 seconds (T90) | |||||
Power Source | Lithium-ion battery, Approx. 25 hours after a 3 hour full charge | |||||
Approvals | ATEX, CSA | |||||
Dimension & Weight | 2.2” 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 Material | Explosion proof, dust and water resistant to IP-66/68 (2m,1h) approval. Drop height 23 ft. | |||||
Controls | Two buttons: POWER / MODE, AIR | |||||
Datalogging | Logs user ID, station ID, Calibration & Bump Test history, Alarm Events & Alarm Interval Trends | |||||
Standard Accessories | -Alligator clip -protective rubber boot -charger -calibration adapter |
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Optional 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 |
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Warranty | Three years material and workmanship |
![](https://www.bomarkinstruments.com/wp-content/uploads/2021/07/GX-3R-dia-scaled.jpg)
![](https://www.bomarkinstruments.com/wp-content/uploads/2021/07/GX-3R-dia-scaled.jpg)