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Multi Gas Detector


Tritech is proud to offer the smallest and lightest 4-gas monitor in the world, Weighing only 4.6 ounces, it fits in the palm of your hand (2.75” H x 2.95” L x .98” D). The GX-2009 simultaneously monitors and displays Combustibles, Oxygen, Carbon Monoxide, and Hydrogen Sulfide. The GX-2009 represents the latest evolution of Gas Detection technology. Advancements include dual audible Alarm ports and Alarm LED’s on 3 sides of the instrument, so that Alarm conditions are obvious from multiple perspectives, especially in high noise environments. Other features include a Water-resistant and Dustproof design with IP 67 rating, an impact resistant Rubber over-mold body that is RFI resistant, and a large capacity Data Logging System included as standard.

  • Features
  • Applications
  • Approvals
  • Gas Combination
  • Specification
  • Accessories
  • List Of Gases Detected
  • Simultaneous and real-time Detection of 4 gases LEL, O2, H2S & CO
  • Large simultaneous display for 4 gases
  • Water and dust resistant, IP67
  • Loud alarm Buzzer 95dB at 30 cm
  • 3 bright LED Alarm windows
  • Rechargeable Ni-MH Battery pack
  • Continuous operation for up to 20 hours
  • Built in shock-resistant coating
  • RFI shielded housing
  • Vibration Alarm
  • Data Logging standard
  • Auto-calibration
  • STEL and TWA readouts
  • Peak hold readout
  • Continuously displays current time
  • Confined Space
  • Refineries / Petrochemical
  • Utilities
  • Chemical Plants
  • Hazardous Material
  • Water / Wastewater Treatment
  • Fire Services
  • Mining
  • Pharmaceuticals
  • ATEX II 1G Ex ia IIC T4
  • IECEx Zone 0 Ex ia IIC T4
  • CSA Intrinsically safe, class I, Division I, Groups A, B, C, D
  • CE
  • TIIS Ex ia IIC T4
  • MED
Four Gases Type A LEL / O2 / H2S / CO
Three Gases Type B LEL / O2 / H2S
Type C LEL / O2 / CO
Two Gases Type D LEL / O2
Type E H2S / O2
Type F CO / O2
Gas Detected Combustible gases Oxygen
Hydrogen sulfide
Carbon monoxide
Detection Principle Catalytic combustion Galvanic cell Electro-chemical cell
Detection Range
(1 ppm)
Sampling Method Diffusion
Display Simultaneous display.
Digital LCD with segments, auto backlight at alarm display.
Alarm Sounds 95dB at 30cm
Preset Alarms
(User adjustable)
1st alarm 10%LEL
2nd alarm 50%LEL
Over alarm 100%LEL
Low alarm 19.5%Vol
High alarm 23.5%Vol
Over alarm 40.0%Vol
1st alarm 5.0ppm
2nd alarm 30.0ppm
TWAalarm 10.0ppm
STEL alarm 15.0ppm
Over alarm 100.0ppm
1st alarm 25.0ppm
2nd alarm 50.0ppm
TWAalarm 25.0ppm
STEL alarm 200.0ppm
Over alarm 500.0ppm
Types of Alarms Gas alarms: 2 preset alarms, STEL, TWA, overscale alarm
Trouble alarms: Sensor disconnection, low battery, circuit error, calibration range error
Display of Alarm Gas alarms: Flashing LEDs, intermittent buzzer, flashing gas value, vibration
Trouble alarms: Flashing LEDs, intermittent buzzer, display of error message
Functions Manual backlight LCD (Automatic at alarm) Data logging
STEL, TWA Peak hold Alarm trend Direct charging
Continuous display of current time Autocalibration
Output Signal Type IrDA for Data logger
Operating Temp.& Humidity -20°c to +50°C (-4 to 122°F) , 0 to 95%RH, non-condensing
Continuous Operation Up to 20 hours after full charge (Up to 14 hours after 90 min charge)
Power Source Direct charging Ni-MH battery pack (can be fast charged in just 180 min)
Case Materials Rubber coated polycarbonate
Ingress Proof Rating IP67
Safety design / Approvals ATEX II 1G Ex ia IIC T4
IECEx Zone 0 Ex ia IIC T4
CSA Intrinsically safe, class I, Division I, Groups A, B, C, D
Dimensions & Weight Approx. 70 (H) x 75 (L) x 25 (D) mm (2.76"H x 2.95" L X 1.00"D) Approx. 130g (4.6 ounces)
Controls Two buttons: POWER/MODE, AIR
Standard Accessories Wrist strap
Alligator clip
Battery charger
Optional Accessories Hand aspirator sampling kit
Sample-draw pump model RP-2009
Data logger management program
Extension connector for chargers
Stand alone calibration station SDM-2009
Standard Accessories
  • Alligator Clip / Wrist Strap
  • Charger BC-2009
    AC adaptor for charger BC-2009
Optional Accessories
  • Model RP-2009
    Pump Unit
  • SDM-2009 Stand Alone
    Callibration station
  • Hand Aspirator
    Sampling Kit
  • Joint for charger
  • GX-2009 Data Logger
    Management Program

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