Single Gas - BW GasAlert Extreme O2 Rental

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Quick Overview

This is the BW GasAlert Extreme with an O2 sensor for monitoring Oxygen levels between 0‐30.0% vol. By default, alarms are set at Low: 19.5% vol. and High: 22.5% vol. Offering extreme reliability, the data logging GasAlert Extreme is an essential tool for monitoring Oxygen levels in the workplace.

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Booking is easy, choose your Rental Period, Start Date and any available accessories. After you click 'Add to Cart' and complete the checkout process we'll check your product is available and contact you to confirm your order.

The Damage Waiver is calculated at 10% of the cost of rental.

Return Carriage means we will arrange collection and return to us for £20.

Note that the Price shown here will reflect the instrument and Rental Period. Return Carriage and Damage Waiver costs will be added on the Cart and Checkout Pages.

You may also be interested in the following product(s)

Brand BW
Number Of Gases 1 Gas
Features Auto Self-Check, Primary Batteries, Data Logging
Type Of Gas Oxygen
Available Outside the UK? Yes

Single Gas - BW GasAlert Extreme O2 - Hire it Today!

This is the BW GasAlert Extreme with an O2 sensor for monitoring Oxygen levels between 0‐30.0% vol. By default, alarms are set at Low: 19.5% vol. and High: 22.5% vol.

Offering extreme reliability, the data logging GasAlert Extreme is an essential tool for monitoring Oxygen levels in the workplace. The BW GasAlert Extreme reliably monitors oxygen with easy on/off operation.

The detector offers extended longevity with a two year field replaceable battery and sensor. Calibration of the instrument is a simple automatic procedure and it is also compatible with the MicroDock II automatic test and calibration system.

Features of the Single Gas - BW GasAlert Extreme O2 Rental:

  • Continuous LCD shows real-time gas concentration with backlight in low-light (auto and on demand); in alarm (auto)
  • Compact and lightweight design makes it comfortable to wear
  • Rugged, IP66/67 highly water-resistant design
  • Simple automatic calibration procedure; compatible with BW
  • Built-in concussion-proof boot
  • Small size (1.1 x 2.0 x 3.75 in. / 28 x 50 x 95 mm) and lightweight (2.9 oz. / 82 g)
  • Provides 95 dB tone and bright LED indication on alarm (typical)
  • Internal vibrating alarm
  • 2-year battery life (typical) with replaceable 3V camera battery
  • Equipped with plug-in, replaceable sensor
  • Simple auto zero and calibration procedure
  • Peak value displayed on command (in ppm or %vol)
  • LOW, HIGH, TWA and STEL alarms with adjustable setpoints
  • Multiple language and datalogging options available
  • Classified intrinsically safe by UL to U.S. and Canadian standards; ATEX certifi ed; IECEx scheme
  • Full function self-test of: sensor, battery, and circuitry integrity and audible/visual alarms on start up
  • Stainless steel alligator clip, test cap and hose, battery and instructions in local languages included
  • MicroDock II automatic test and calibration station
  • Bright wide-angled visual alarm bars
  • Built-in concussion-proof boot
  • Equipped with internal vibrating alarm for high noise areas
  • Secure and accurate history with datalogging
  • Multi-language support in English, French, German, Spanish and Portuguese
  • Tamper-proof settings with passcode protection

It is a compact detector which can be used in a wide variety of atmospheric hazards. The detector is highly water resistant and has an IP66/67 fully immersible, EMI/RFI resistant housing, built-in concussion-proof boot and a heavy duty, stainless steel, alligator style belt-clip. Other features include an extra-loud audible alarm, flashing LED light bars and also an internal vibrator which alerts all users to the potential hazardous conditions. There is a large, easy to read display which includes a built-in backlight which ensures readings are legible even in the dimmest of light conditions.

It is also noted that two years of continuous operation is provided by the easy to change 3V camera battery. The detector also clearly advises the gas hazard which is present – Low, High, TWA and STEL gas alarm. Recorded STEL, TWA, and peak exposures can be displayed on demand. The detector also comes with the available option of data logging and multi-language support. These detectors include a built-in IR COM port for automatic data transfer to a computer or alternatively a MicroDock II docking station module. Another benefit of this detector is that there are no wires.

User options:

  • Confidence beep
  • Latching alarms
  • Stealth mode
  • Passcode protection
  • Automatic O2 Calibration
  • Datalogger Sampling Rate
  • Automatic backlight
  • User-settable calibration gas level
  • Calibration past due lockout
  • Language choices (5)
  • Adjust clock
  • IP 66/67
  • American Bureau of Shipping
  • ATEX: X g II 1 G T4
  • Ex ia IIC T4
  • IECEx: Ex ia IIC T4
  • X: European Conformity

Technical Specification

Size 1.1 x 2.0 x 3.75 in. / 2.8 x 5.0 x 9.5 cm
Weight 2.9oz / 82g
Alarms Visual, vibrating, audible (95dB) - Low, High, STEL, TWA
Tests Sensor integrity, circuitry, battery and audible/visual alarms on activation, battery (continuous)
Pump Compatible with the Sampler motorized pump
Typical Battery Life 2 year battery life (typical) with replaceable 3V battery
Ratings EMI/RFI: Complies with EMC Directive 89/336/EEC
Certifications and Approvals h Class I, Div. 1, Gr. A, B, C, D, Class II, Div. 1, Gr. E, F, G
Warranty Full 2 year warranty including sensors (1 year NH3 sensor)

What's in the Box

What's in the Box?

  • Standard Package Contents of the GasAlert Extreme Single Gas Detector
  • GasAlert Extreme Detector Complete with Specified Sensor, Concussion‐Proof Boot with Stainless Steel Alligator‐Style Clip
  • Calibration/Test Cap and Hose
  • Manual
  • Downloads and Datasheets


    Gas Alert Extreme

    Model Comparison

    BW Gas Detector Comparison Table



    No. of Gases

    Gases Detected


    BW Clip Series

    • Zero‐maintenance

    • Low cost of ownership

    • Real Time option


    H2S, CO, O2, SO2

    2 or 3 years

    GasAlert Extreme

    • User‐settable options

    • Large display

    • Replaceable battery


    H2S, CO, O2, SO2, NH3, PH3, Cl2, ClO2, NO, NO2, HCN, ETO, O3

    2 years*


    GasAlertMicroClip XL

    • Rechargeable battery

    • IntelliFlash™

    • One‐button operation

    • Small and lightweight

    1 to 4


    H2S, CO, O2, LEL

    2 years

    GasAlertMicroClip X3

    • Rechargeable battery

    • IntelliFlash™

    • New O2 long life sensor

    • One‐button operation

    1 to 4


    H2S, CO, O2, LEL

    3 years


    • Rechargeable or alkaline battery packs

    • IntelliFlash

    • One‐button operation

    • Easy to read LCD with icons

    1 to 4


    H2S, CO, O2, LEL

    2 years

    GasAlertMax XT II

    • Built‐in motorized sampling pump

    • Rechargeable battery

    • IntelliFlash

    • One‐button operation

    1 to 4


    H2S, CO, O2, LEL

    2 years

    GasAlertMicro 5 Series

    • Optional motorized pump module

    • Rechargeable or alkaline battery packs

    • Feature‐rich user options

    1 to 5


    VOCs, CO2, LEL, H2S, CO, O2, SO2, PH3, NH3, NO2, HCN, Cl2, ClO2, O3

    2 years*


    Impact / Impact Pro

    • Disposable or serviceable sensor cartridge system

    • Safelink communication

    • Optional built‐in pump (Impact Pro only)

    • Rechargeable or alkaline battery packs

    1 to 4


    CO2, LEL, H2S, CO, O2, SO2, NH3, NO2, Cl2, CH4

    2 years*


    Colorimetric Gas Detection Tubes


    • Wide assortment of tubes available to detect over 300 gases and vapors

    • Easy to use, even in multiple layers of gloves

    • Easy‐to‐read with sharp, clear color change

    • No calibration or other maintenance required


    Amines, C2H5OH, C2HCl3, C3H6O, C4H10, C6H5OH,

    C6H6, C7H8, C0H10, CH2:CHCL, CH3BR, Cl2,

    ClO2, CNHM, CO, CO2, H2O, H2S, HC, HCHO, HCl, HCN, HF, MEK, Mercaptans, NH3, NO, NO2, O3, PH3, SO2



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