Gas Alert Micro 5 Gas Detector from


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The BW Gas Alert Micro 5 provides protection for up to five potential atmospheric hazards including toxic gases - electrochemical cell (toxic and oxygen); catalytic (LEL), a PID model for the detection VOCs, or an IR model for CO2 detection. The Gas Alert Micro 5 has the option of a motorised pump for remote sampling.

What to look for in a Mutli-Gas Detector:

  • Gases: Ammonia, Carbon Monoxide, Hydrogen Sulphide, Oxygen, Sulphur Dioxide, Chlorine, Chlorine Dioxide, Hydrogen Cyanide, Nitrogen Dioxide, Ozone, Phosphine, combustibles (LEL), VOCs and Carbon Dioxide

  • Typical Battery Life: AA Alkaline - 20 Hours*, Rechargeable - 20 Hours

  • Rating: IP65/IP66 and ATEX rated

  • Warranty: Two years including sensors. One year NH3 sensor and PID lamp)

Excl. VAT: £800.00 Incl. VAT: £960.00

Product Description


GasAlertMicro 5 

Gases: H2S, CO, O2, SO2, PH3, NH3, NO2, HCN, Cl2, ClO2, O3 and combustibles (LEL)

Sensors: Plug-in, electrochemical cell (toxic and oxygen); catalytic (LEL)

Typical Battery Life: AA Alkaline - 20 Hours, Rechargeable - 20 Hours


  • Integral concussion-proof boot for added protection
  • Optional integral motorised pump option for remote sampling
  • Powered by three AA alkaline batteries or a hot-swappable rechargeable battery pack
  • Triple alarms (audible, visual and vibrating) for ultimate protection
  • Multi-language support in English, French, German, Spanish and Portuguese
  • Large, user selectable backlit LCD
  • Four alarm levels: Low, High, TWA and STEL
  • Compatible with MicroDock II Automatic Test and Calibration Station for improved safety
  • Datalogging models store and recall event information
  • Wide range of user selectable field options including password protection, safe and stealth modes.


  • Full function self-test confirms sensor, battery and circuitry integrity and audible/visual alarms on activation


GasAlertMicro 5 PID

Smaller and 50% lighter than competitive instruments, this portable, multi-gas detector delivers a high-level of protection wherever it’s needed.

Gases: VOCs (PID), H2S, CO, O2, SO2, PH3, CI2, NH3, NO2, HCN, CIO2, O3 and combustibles

Ranges: 0 -1000 ppm measurement of VOCs (Volatile Organic Compounds)


  • Smaller and over 50% lighter than competitive instruments
  • Water-resistant design in an integral concussion-proof enclosure
  • Continuous LCD shows simultaneous gas concentrations for five gases
  • 0 - 1000 ppm measurement of VOCs (Volatile Organic Compounds)
  • Four alarm levels: instantaneous Low and High Alarm for all gases; TWA (time-weighted average) and STEL (short-term exposure limit) for VOCs and toxic gases
  • Records TWA, STEL, and maximum exposures to gas and displays readings on command
  • User selectable field options include: PID correction factor, language selection, confidence beep, span level, set TWA/STEL calculation choice, set calibration due date, pass code protection, latching alarm, 'SAFE' display function, stealth mode, and selectable ppm resolution for some gases (e.g. SO2 0.1 ppm)

GasAlertMicro 5 IR

Compact and lightweight, the GasAlertMicro 5 IR portable gas detector simultaneously monitors up to five atmospheric hazards including carbon dioxide (CO2), oxygen (O2), combustible gas (%LEL), and a wide selection of toxic gases. The GasAlertMicro 5 IR offers similar features and benefits to the standard model but also includes features specific to the IR sensors.

Gases: CO2 (IR), H2S, CO, O2, SO2, NH3, O3 and combustibles

Ranges: 0-5% vol (0-50,000 ppm) measurements of carbon dioxide


  • 0-5% vol (0-50,000 ppm) measurement of carbon dioxide
  • Continuous LCD shows simultaneous gas concentrations for up to five gases
  • Two year warranty including sensors (1 year NH3)

Packaging Contents:

Standard Versions: Complete with monitor and sensors (as specified), sensor compartment cover for diffusion operation, calibration adaptor and hose, quick reference guide and technical documentation CD, integral concussion-proof boot, and three AA alkaline batteries.

Confined Space Kits: Includes standard version contents plus foam lined carrying case for instrument and accessories, 34 L cylinder(s) of calibration gas required for sensors installed, 0.5 LPM/1.0 LPM calibration regulator (male) and tubing.


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View FileGasAlertMicro5 Datasheet
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