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Gasman Personal Single Gas Monitor

Crowcon Gasman Personal Single Gas Monitor is very rugged & versions available for flammable gas, oxygen & toxic gases. Fully interchangeable intelligent sensor modules (a gas detector tailored to your requirements).

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  • Competitive quote
  • Expert technical advice/demos
  • Trusted aftercare support




Crowcon Gasman Personal Single Gas Monitor

Compatible with a range of industries; the Crowcon Gasman is a rugged, compact and lightweight single gas detector, designed for use in the toughest environments:

Industrial gas detection in...

  • Oil and gas
  • Chemical plants (with exotic gases)
  • Steel works (special CO sensor)
  • Hospitality (CO2)
  • Renewable energy (hydrogen)
  • Waste and water works

Weighing in at just 130g, it is extremely durable, with high impact resistance and dust / water ingress protection, loud 95 dB alarms, a vivid red/blue visual warning, single-button control and an easy-to-read, backlit LCD display to ensure clear viewing of gas level readings, alarm conditions and battery life.

Data and event logging are available as standard, and there is a built-in 30 day advance warning when calibration is due.

Gasman is also available in a safe area CO2 version offering 0-5% carbon dioxide measurement.

Gasman comes available with long-life O2 sensor, MPS sensor technology.

  • Industry’s first 5-year warranty
  • Lead-free for RoHS compliance
  • Reduced sensor replacement
  • Lower cost of ownership
  • Reduced environmental impact


Crowcon Gasman Key Features:

  • Quick and simple to use
    • One button operation
    • Easy-read backlit display for gas diagnostics and operating status
    • Minimal training required for operation
  • Built for your environment
    • Comfortable, compact and lightweight to wear, perfect for long periods
    • Tough polycarbonate housing
    • Full over moulding (high impact resistance)
    • Protects you in the harshest environments
    • Water and dust resistant to IP65
    • Toxic versions weigh only 85g
  • Highly flexible and user-friendly
    • Versions available for flammable Gas, Oxygen And Toxic Gases – gas detector tailored to your requirements
    • Fully interchangeable intelligent sensor modules
    • Compatible with a range of industries
    • Rechargeable versions for all gas types
    • Non-rechargeable versions so ideal for oxygen and toxic gases
    • Real-time TWA and peak display options
    • Available with an Infrared CO2 sensor option a rarity for a single gas sensors!
  • Effective warnings to ensures prompt evacuation from hazardous zone
    • 95dB audible alarm
    • Two levels of instantaneous alarm and TWA alarms for toxic versions
    • Vivid high impact twin red/blue visual alarms
    • If ambient noise is high the internal vibrating alarm alerts you


The Crowcon Gasman is ideal for:

  • Petrochemical and pharma
    • Compatible with a large range of gas sensor types
    • Ideal for petrochemical processes which often require exotic gas sensors
  • Food and beverage storage and protection
    • Available with an Infrared CO2 sensor option
    • Great for gas detection in cellars and storerooms
    • Protects against CO2 poisoning from leaking cylinders or valves


What comes with the Gasman?

  • Crowcon Gasman Portable Personal Single Gas Detector
  • Integral Alligator Clip


Technical Specification for: Crowcon Gasman Personal Single Gas Monitor

GasRangeStandard Alarm (UK)
Ammonia (NH3)0-1000 ppm25 ppm
Carbon Monoxide (CO)0-1500 ppm30 ppm
Carbon Dioxide (CO2)0-5% vol.0.5% vol.
Carbon Monoxide (H2 filtered)0-500ppm30ppm
Chlorine (Cl2)0-20 ppm0.3 ppm
Chlorine Dioxide (CIO2)0-1 ppm0.1 ppm
Ethylene Oxide (ETO)0-10 ppm3 ppm
Flammable True LEL (MPS)0-100% LEL20% LEL
Flammable0 – 100% LEL20% LEL
Fluorine (F2)0-1 ppm0.5 ppm
Hydrogen (H2)0-2000 ppmN/A
Hydrogen Cyanide (HCN)0-25 ppm5 ppm
Hydrogen Fluoride (HF)0-10 ppm1 ppm
Hydrogen Sulphide (H2S)0-250ppm5 ppm
Nitric Oxide (NO)0-100 ppm25 ppm
Nitrogen Dioxide (NO2)0-20 ppm1 ppm
Oxygen (O2), Long-Life0-25% vol.19.5% / 23.5% vol.
Oxygen (O2)0-25% vol.19.5% / 23.5% vol.
Ozone (O3)0-1 ppm0.1 ppm
Phosphine (PH3)0-5 ppm0.1 ppm
Phosgene (COCL2)0-1 ppm0.1 ppm
Sulphur Dioxide (SO2)0-20 ppm1 ppm
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