Crowcon Gas-Pro PID Multi Gas Detector

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The Gas-Pro PID VOC gas detector gives you full flexibility to monitor a wide range of gas types and volatile organic compounds (VOCs). With an optional pump, the Gas-Pro PID is the perfect product addressing the requirements of a wide range of applications.


The Gas-Pro PID VOC monitor utilises the Photo Ionization Detection technology to allow you to detect hundreds of Volatile Organic Compounds (VOCs). If you are working in an environment that is high in levels of solvents, glues, paints and general VOCs, the Gas-Pro PID will monitor your safety. With its dual-coloured display, the monitor will alert the user with its 95db audible alarm and its dual-coloured visual alarm bars.

PID Technology

Crowcon’s PID works with a 10.6 electron volt lamp. This sensor is the most stable sensor on the market and offers the detection of a wide range of VOCs. The sensor has an internal UV light source, which the gas sample passes through. An electron is released for gases with an ionization potential of 10.6.

User friendly:

  • Top Mount Display  – Makes it easy to read at a glance for quick decision-making
  • Simple Single Button Operation – Limited training required
  • Ergonomically Designed – Sits well when worn and fits easily in the hand


  • Monitors 5 Gases From Many Different Options – Hundreds of variants to choose from
  • Pumped And Diffusion Solutions – Offers multiple uses within one compact detector
  • Multiple Languages – Regionally configurable
  • Automatic Fail-Safe Flow Pump Plate Recognition – Simple to use and no tools required
  • Specific And Unique Pre-Entry Check (PEC) Mode – Takes away the pain of pre-entry testing
  • PID Correction Factor – Set to target VOCs


  • Broad Range PID – Hundreds of VOC gases detected
  • Water And Dust Resistant To IP65 And IP66 – Capable of withstanding harsh environments
  • Bump And Calibration Reminders  – Full compliance
  • Positive/+Ve Safety – Full site compliance
  • Strong Pump – Up to 30m sampling


Size 43 x 130 x 84mm (1.7 x 5.1 x 3.3ins)
Weight 309g 4 gas (10.8oz)/ 340g pumped (11.9oz)
333g 5 gas (11.7oz)/ 362g pumped (12.7oz)
Alarms Audible >95dB @ 30cm (98dB @30cm in loud mode)
Visual – all angle dual red/blue LEDs
Vibrating alert
Display Top mount for ease of view with dual colour backlight (green/red)
Data logging 125hrs at 10-second intervals (45,000 logs)
Event logging Alarm, over range, calibration, bump, on/off, TWA, 1000 events
Battery Rechargeable Li-ion, >14 hours (13 hours pumped operation) based on CH4, O2, H2S, CO
Typical charge time 7.5 hours
Sampling Internal pump as option
Operating temperature -20°C to +55°C (-4°F to +131°F)
Storage -25°C to +65°C (-13°F to +149°F)
Humidity 10 to 95% RH
Ingress protection Independently tested to IP65
Approvals IECEx: Ex db ia IIC T4 Gb Tamb -20°C to +55°C
ATEX and UKCA: II 2 G Ex db ia IIC T4 Gb Tamb -20°C to +55°C
UL: Class 1, Division 1, Groups A, B, C, and D UL 913, UL 60079-0 and UL 60079-11
INMETRO: Ex db ia IIC T4 Gb Tamb -20°C to +55°C
Marine Equipment Directive: MED 1500009
Compliance FCC and CE
Complies with EMC Directive 2014/30/EU
EN50270 and ICES-003
Interface Data connection for gas test solutions and direct to PC
Charging Direct connection to multiregional power supply
Vehicle charger adaptor
Desktop cradle
USB power and communications lead
Crowcon Connect Compatible? Yes


Gases and Ranges

Gas Range Typical Alarms Resolution
PID  0-1000 ppm  50 ppm  1 ppm
Ammonia (NH3)  0-100 ppm  25 ppm  1 ppm
Ammonia (NH3)  0-1000 ppm  N/A  1 ppm
Carbon dioxide (CO2)  0-5% vol.  0-5% vol.  0.01% vol.
Carbon monoxide (CO)  0-2000 ppm  20 ppm  1 ppm
Carbon monoxide (CO)  0-500 ppm  20 ppm  1 ppm
Carbon monoxide
(hydrogen filtered)
 0-2000 ppm  20 ppm  1 ppm
Chlorine (Cl2)  0 – 5 ppm  0.5 ppm  0.1 ppm
Dual toxic (CO-H2S) H2S 0-100ppm
CO 0-500ppm
 5 ppm
20 ppm
 1 ppm
1 ppm
Flammable  0-100% LEL  20% LEL  1% LEL
Hydrogen (H2)  0-1000 ppm  N/A  1 ppm
Hydrogen sulphide (H2S)  0-100 ppm  5 ppm  1 ppm
Nitrogen dioxide (NO2)  0-20 ppm  1 ppm  0.5 ppm
Oxygen (O2)  0-25% vol.  19% / 23% vol.  0.1% vol.
Ozone (O3)  0-1 ppm  0.1 ppm  0.01 ppm
Sulphur dioxide (SO2)  0-20 ppm  1 ppm  0.1 ppm
Chlorine dioxide (ClO2)  0-1 ppm  0.1 ppm  0.1 ppm
Nitric oxide (NO)  0-100 ppm  25 ppm  1 ppm

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