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RKI Instruments GX-8000 Harsh Environment Sample Draw Gas Monitor, 1 sensors, O2 with Alkaline Battery Pack - 72-0321RK

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RKI Instruments GX-8000 Harsh Environment Sample Draw Gas Monitor, 1 sensors, O2 with Alkaline Battery Pack - 72-0321RK

RKI Instruments GX-8000 Harsh Environment Sample Draw Gas Monitor, 1 sensors, O2 with Alkaline Battery Pack - 72-0321RK


72-0321RK GX-8000 Harsh Environment Sample Draw Gas Monitor, 1 sensors, O2 with Alkaline Battery Pack by RKI Instruments

The GX-8000 sets a new standard for rugged, relaible portable gas detection. It's tough water proof design utilized features based on years of gas detection design experience, to assure that the instruments wiil operate properly in all kinds of harsh gas detection applications.

The integrated pump with 0.75 l/min suction flow lets you take samples from upto 30 m.

On top of that, GX-8000 configure is also very versatile due to simple sensor replacement. Additionally, alarms levels are freely adjustable adjusted to your needs.

Combining all revelant certifications, such as MED (Wheelmark) and ATEX (Ex), GX-8000 is a perfect tool for marine applications.

Additional features include the large LCD screen with simultaneous display of up to 5 ranges, time, live test and battery status. The display in addition to a loud and clear buzzer and 3 alarm LED's gives you full overview at all times so that alarm conditions are obivous from multiple perspectives especially in high noise environments.

The GX-8000 features a waterproof and dust proof design with IP 67 rating for which the overmold body is impact resistant and RFI shielded. Consequently, GX-8000 offers full protection while minimizing large instrument fleets because of its functionality.

The built-in infrared port with standard datalogger features lets you store, download and analyze measurement data for perfect traceability.

And because of the wide accesory range you can also customize the GX-800 for special applications and to fit your individual requirements.


  • Real-time 5-gas detection with simultaneous display
  • Visual and audible alarm
  • Strong sample drawing capacity
  • Password protected, auto calibration
  • Datalogging standard
  • IP-67: waterproof and dust proof design
  • ATEX and MED (Wheelmark) approved


  • Confined space
  • Refineries/petrochemical/chemical plants
  • Oil tanker/gas carrier/bulk carrier
  • Water/wastewater treatment
  • Fire services
  • Telecommunication services
  • Power plant
  • Gas plant/gas supplier service
  • Utilities
  • Coating field
  • Fuel cell facilities

*Please note we can only ship RKI products to customers within the United States

Detection gas
Combustible gases
Combustible gases
Hydrogen sulfide
Carbon monoxide
Detection range
0 - 100 %vol.
0.100 %LEL
0 - 40 %vol.
0 - 100 ppm
0 - 500 ppm
1 %vol.
1 %LEL
0.5 %vol.
1 ppm
Detection principle
Thermal conductivity
Catalytic combustion
Galvanic cell
Electrochemical cell
Digital LCD with auto backlight, digital display (7 segments) and digital bargraph (25 segments)
Alarm indication
LED's flash, buzzer alternating between low and high pitch (95 dB at 30cm), indication value flashes, alarm message displays
Alarm presets (Adjustable)
1st: 10 %LEL
2nd: 20 % LEL
1st: 19.5 %LEL
2nd: 23.5 % LEL
1st: 10 ppm
2nd: 20 ppm
TWA: 10 ppm
STEL: 15 ppm
1st: 25 ppm
2nd: 50 ppm
TWA: 30 ppm
STEL: 60 ppm
Types of alarm
Gas alarm: Latching, 2 alarms
Failure alarm: Flow failure, sensor failure, batteru failure, circuit failure, calibration failure
Suction flow
Minimum 0.75 l/min
Datalogger standard. stores 8 alarm trend events: 3600 data point capacity with a log time range of 10 to 300 hours (based on programmable interval times); and stores upto 100 calibration records.
Operating temp. & humidity
- 20°C to +50°C, 0 to 95 %RH (non-condensing)
Response time
30 s (T90)
Continuous operation
More than 12 hours after 3 hours of full charge, more than 6 hours with AA dry battery unit (optional)
Power source
Lithium-ion battery standard with AC charger, AA alkaline battery pack (3 batteries) optional
Ingress proof rating
Dimension and weight
Approx. 154 x 81 x 127mm. 1.1 kg
Additional features
Indication to show energizing (pilot indicator and pump driving indicator), pump stop function, bump test function, IrDA communication, STEL, TWA and PEAK, password protection
Standard accessories
AC charger
Gas sampling probe
Gas sampling hose (spiral 1m)
Lithium-ion battery
Neck/shoulder strap
Instruction manual
Optional Accessories
Dry battery unit
Gas sampling hose 8m with flow type sampling head
Gas sampling hose 30m with plummet
Filter tube
Junction tube
Diluter adapter (for bulk carrier application)
Waist strap
Sampling probe holder on the neck/shoulder strap
Leather carrying case
Storage box for marine use
Carrying box
Calibration gas set
Flow control demand valve
Datalogging pc software

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