BW Gas Alert Clip Extreme 24 Month Gas Detectors

The BW GasAlertClipExtreme is portable single gas detector designed for users with fixed-duration projects or those who need a go/no-go monitor that's lightweight, compact and easy-to-use. The GA24XT is entirely maintenance free for 24 months

GasAlertClip Extreme - Waterproof 2-Year Disposable Gas Detector with Event Logging.

Simply press the START/TEST button and the GasAlertClip Extreme is ready to use, providing two years of continuous, maintenance-free operation from the day of activation.

The GasAlertClip Extreme is highly water-resistant, with an IP-66/67 housing fully immersible to a depth of one meter. The GasAlertClip Extreme housing includes a integral concussion-proof boot, and a heavy-duty, stainless steel, alligator style belt-clip. A large easy-to-read LCD shows detector life remaining, alarm set points, and peak alarm exposures.

The detector's life remaining is displayed in months, days, then hours. A full function self-test veri?es sensor, circuitry and battery integrity as well as function of the audible, visual and vibrator alarms. Stored data can be transmitted directly by IR link to a cordless infrared printer for immediate printout, or to a personal computer by means of an IR adapter connected to the computer's USB port.

The GasAlertClip Extreme is equipped with two alarm set points used to activate a high output 95 dB (typical) audible alarm, a bright, wide-angled quad LED visual alarm and a built-in vibrator alarm.

Simply clip the GasAlertClip Extreme to your lapel, pocket, belt or hard-hat for unequaled, cost-effective protection.

The Gas Alert Clip Extreme Supports these Gasses:

  • H2S - hydrogen sulfide
  • O2 - oxygen
  • CO - carbon monoxide
  • SO2 - sulfur dioxide

Key features:

  • Two years of protection with zero maintenance costs
  • Continuous, alphanumeric LCD shows detector life remaining, alarm set points and advises self-test status
  • Rugged, IP-66/67 highly water-resistant design
  • Built-in concussion-proof boot
  • Records and displays the peak alarm encountered and the time since the exposure occurred
  • Records and transmits gas alarm events encountered and the time elapsed since the event occurred
  • Two alarm levels (Low / High)
  • Provides typical 95 dB tone and bright, quad-LED indication on alarm
  • Internal vibrator alarm
  • Small size (1.1 x 2.0 x 3.2 in. / 28 x 50 x 81 mm) and lightweight (2.7 oz. / 76 g)
  • Maintenance free-no sensor or battery replacement, no calibration, no downtime
  • Full function self-test of: audible/visual alarms plus integrity of sensor, battery and circuitry
  • Continuously ON-one button activation, test and data transmission
  • Comes complete with pocket/belt clip and test cap
  • Instructions in local languages included
  • Optional alligator and hard hat clips available


Gas monitored: H2S CO SO2 O2
Sensor range: 0 - 100 ppm 0 - 300 ppm 0 - 100 ppm 0 - 30.0% by vol.
Low alarm level: 10 ppm 35 ppm 5 ppm 19.5 %
High alarm level: 15 ppm 200 ppm 10 ppm 23.5 %
Operating Temperature: -40 to +122 °F
-40 to +50 °C
-22 to+122°F
-30 to +50°C
-22 to +122 °F
-30 to +50 °C
-4 to +122 °F
-20 to +50 °C
Calibration: Not required Self-calibrating


GENERAL SPECIFICATIONS Rugged composite material with integral concussion-proof boot
Humidity 5% to 95% RH (non-condensing)
EMI/RFI Complies with EMC Directive 89/336/EEC
Ingress protection IP 66/67
Battery Lithium, non-replaceable
Size 28 x 50 x 81 mm / 1.1 x 2.0 x 3.2 inches
Weight 76 g / 2.7 oz.
WARRANTY 2 years from activation plus 1 year shelf-life
Operational life Two years3
Continuously on Yes
One-button control Activation, self-test and alarm event data transmission
Full function self-test Verifies integrity of sensor, circuitry and battery; audible/visual alarms
Sensor Electrochemical cell (temperature compensated)
Visual gas alarm Flashing, wide-angled alarm lens with dual red LEDs plus ALARM LCD readout
Audible gas alarm Pulsing siren 85 dB at 0.3 m / 1 ft.
Vibrator alarm Internal
Failure alarm Yes (audible/visual)
Self-test pass Yes (audible/visual)
Other Low battery and end of life (audible/visual)
CONTINUOUS LCD DISPLAY Alphanumeric status panel LCD advises
Life remaining Continuously displayed in months, then days, then hours
Two alarm levels LOW alarm / HIGH alarm
Peak alarm exposure Records and displays peak alarm exposure, and time elapsed (up to 24 hrs.)
Alarm setpoints High and low (displayed on demand in ppm or %)
Self-test status Advises to "TEST" and that self-test was passed "."
Full function self-test On-demand, as often as once every 20 hours and on activation
Battery Every two hours (auto)
EVENT LOGGING Records and transmits up to 10 gas alarm events
Event information Gas type, peak exposure level (ppm or %); alarm duration in minutes and seconds; time elapsed since the alarm occurred in days, hours and minutes
Transmission method Via infrared port to thermal printer or USB

GasAlert Clip Extreme (GA24XT/GA36XT) Expert Product Review:

The Good:

Small, compact, easy to use and virtually maintenance free. Always active means you will never forget to turn on your monitor.

The Bad:

No real-time display of current gas levels. Cannot be turned off, once it is turned on the 24 or 36 month countdown begins and there is no delaying or stopping that.

The Bottom Line:

An excellent monitor to use if you only need to know when the target gas is present. Not the monitor to use if you need an exact reading in real-time. It has a good history of being reliable and virtually problem free.

Full Review:

A popular unit, this low-maintenance gas detector is a good choice for anyone wanting continuous, reliable protection in a low cost single gas detector with minimal maintenance requirements. It is a good fit in virtually any application as a quick and easy safety device.

There is no need for calibration, sensor replacement, battery replacement or battery charging on this model. Regular maintenance Bump Tests can be performed on the unit depending on personal preference or when site safety regulations require it.

Available sensors include H2S, CO, SO2 and Oxygen, but as a single gas detector you can choose only one of those sensors available, not multiple sensors. With H2S and CO, you can choose either a 2 or a 3 year version. A daily self-test, which is activated by the press of a button, performs a full function self-test of the sensor, battery, circuit integrity as well as the visual and audible alarms, providing user confidence. The built-in concussion proof boot provides excellent protection against accidental bumps, scratches and damage; and it is water-proof, with an IP rating of 67 it can be submerged in water up to 1 m deep for 30 minutes.

The GA24XT doesn't give you an actual real-time readout of current gas levels, those are only seen when the detected levels reach the point that the alarms are triggered; during non-alarm periods only the life remaining of the unit is displayed. It also can't be turned off once it has been activated. This is generally a concern for contract workers, who like the GA24XT because of its low price and ease of use, but some contracts only last a couple months with more time between contracts. Not being able to turn off or "hibernate" the unit limits your lifespan. It is also compatible with the BW MicroDock II calibration and bump test station for those who wish to use a more hands-free, automated, bump test procedure.


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