GasAlert Extreme SO2 0-100 ppm (GAXT-S-DL)

The GasAlert Extreme SO2 Monitor offers reliable protection for personnel at risk for sulfur dioxide exposure. This sulfur dioxide meter has a range of 0-100 ppm, well above the OSHA limit of 5 ppm TWA. The stout, rubberized case is water-resistant and requires little maintenance. The immediate readout on the LCD screen, along with its multiple alarms and alligator clip, makes it a convenient, easy-to-use SO2 sensor.

GAXT-S-DL has been replaced with the BW Solo SO2 - CLICK HERE

Call For Price

GAXT-S-DL has been replaced with the BW Solo SO2 - CLICK HERE

0-100 ppm Sulfur Dioxide (SO2) Monitor with a 0.1ppm 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 Sulfur Dioxide (SO2)
Sensor Type Electrochemical Cell
Operational Temperature Range -40 to +122 F / -40 to +50 C
Operational RH Range 15 - 90 % (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 0-100 ppm
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