GasAlert Extreme O2 0-30% (GAXT-X-DL-2)

The GasAlert Extreme O2 meter offers protection for workers in confined spaces that may have dangerous oxygen levels. This oxygen sensor has a range of 0-30% wt. It has both a low and high alarm, alerting personnel to either dangerously low or harmfully high levels of oxygen. Its internal datalogging (additional accessory needed) allows an industrial hygienist to keep good records. With a concussion-proof boot and long battery life, this oxygen monitor gives dependable protection to employees.

GAXT-X-DL2 has been replaced with the BW Solo O2 - CLICK HERE

Call For Price

GAXT-X-DL2 has been replaced with the BW Solo O2 - CLICK HERE

0-30% Oxygen (O2) Monitor with a 0.1% resolution.

Along with the benefits and abilities mentioned above, the Gas Alert Extreme also inherits many of the features that you have come to expect as standards from BW:

  • Real-time gas concentrations via continuous LCD
  • Comfortable to wear due to its compact and lightweight design
  • Water Resistant
  • Simple, automatic calibration when combined with the MicroDock II Test and Calibration accessory
  • Self-Tests on bootup for full-functionality (see table below)
  • Bright wide-angled visual alarm bars
  • Built-in concussion-proof boot


In addition, features of the GasAlert Extreme monitor family include:

  • Vibrating alarm in addition to audible/visual alarms
  • Internal datalogging
  • Built-in languages include:  English, French, German, Spanish, Portuguese
  • Passcode protection to prevent tampering



GasAlert Extreme Standard Specifications

  Tests   Sensor integrity, circuitry, battery and audible/visual alarms on activation.  Battery (continuous)

  Compatible with the Sampler motorized pump.

  Typical Battery
  1.5 year battery life (typical) with replaceable 3V battery.
  User Options
  •  Confidence Beep
  •  Latching Alarms
  •  Stealth Mode
  •  Passcode Protection
  •  Automatic O2 Calibration
  •  Automatic Backlight
  •  User-settable calibration gas level
  •  Calibration Past Due lockout
  •  Language choices (five)
  Ratings   EMI / RFI:  Complies with EMC Directive 89/336/EEC  IP 66/67
  Certifications and  

  UL:  Class I,  DIv. 1, Gr. A, B, C, D
  UL:  Class II, Div. 1, Gr. E, F, G

  American Bureau of Shipping

  ATEX:  CE II  1  G  T4

  IECEx:  Ex ia IIC T4
  IECEx:  Ex ia IIC T4

  CE  (European Conformity) 

  Warranty Full two year warranty including sensors (One year NH3, Cl2, ETO, ClO2 sensors)



GAXT Specification Sheet

GAXT Manual

More Information
Manufacturer Honeywell / BWT
Call For Price No
Gas Oxygen (O2)
Sensor Type Electrochemical Cell
Operational Temperature Range -4 to +122 F / -20 to +50 C
Operational RH Range 0 - 99 % (non-condensing)
Weight 2.9 oz / 82 g
Dimensions 1.1 x 2.0 x 3.75 inches
Alarms Visual, Vibrating, Audible (95 dB) for Low, High, STEL, TWA
Datalogging Yes
Datalogging Note Datalogging requires accessory
Field Replaceable Sensor Yes
Field Replaceable Battery Yes
Warranty 2 Year
Range 0-30% by Vol
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