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Product Features
  • Monitor 5 gases from many different options
  • Automatic fail-safe flow plate recognition
  • 14 hr use from a 7.5 hr charge
  • Top mount display
Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
  • If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
    with our best shipping prices along with your quote.
  • Please see our delivery page for full information
The Crowcon Gas-Pro offers detection of up to 5 gases in a compact and rugged solution, with an easy-to-read top mount display combining ease of use and user-focused features. An optional internal pump, activated with the flow plate, takes the pain out of pre-entry testing and allows Gas-Pro to be worn either in pumped or diffusion modes.

User Friendly
  • Top mount display – makes it easy to read at a glance
  • Simple single button operation – reduces training time
  • Intuitive functionality – can be used whilst wearing gloves

Adaptable
  • Monitor 5 gases from many different options – detect gases such as Hydrogen Sulphide, Carbon Monoxide and
  • Oxygen Depletion while offering multiple uses within one compact detector
  • Pumped and diffusion solutions

Multiple languages
  • Automatic fail-safe flow plate recognition – takes away the pain of pre-entry testing
  • Specific and unique Pre-Entry Check (PEC) mode

Reliable
  • Reliable lithium-ion battery – provides over 14 hr use from a 7.5 hr charge
  • Water and dust resistant to IP65 and IP67 – capable of withstanding harsh environments
  • Bump and calibration reminders – Full compliance
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 125hr at 10-second intervals (45,000 logs)
Event logging Alarm, over range, calibration, bump, on/off, TWA, 1000 events
Battery Rechargeable Li-ion, >14hr (13 hours pumped operation) based on CH4, O2, H2S, CO
Typical charge time 7.5hr
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 and IP67
Approvals IECEx: Ex db ia IIC T4 Gb Tamb -20°C to +55°C
ATEX: 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 EMC FFC CFR 47 Part 15, ICES-003
Interface Data connection for gas test solutions and direct to PC
Charging Direct connection to multi-regional power supply
Vehicle charger adaptor
Desktop cradle
USB power and communications lead
Crowcon Connect Compatible? Yes

Gases and Ranges


Gas Range Typical Alarms Resolution
Ammonia (NH3)  0-100ppm  25ppm  1ppm
Carbon dioxide (CO2)  0-5% vol.  0-5% vol.  0.01% vol.
Carbon monoxide (CO)  0-2000ppm  30ppm  1ppm
Carbon monoxide (CO)  0-500ppm  30ppm  1ppm
Carbon monoxide
(hydrogen filtered)
 0-2000ppm  30ppm  1ppm
Chlorine (Cl2)  0 – 5ppm  0.5ppm  0.1ppm
Dual toxic (CO-H2S) H2S 0-100ppm
CO 0-500ppm
 5ppm
30ppm
 1ppm
1ppm
Flammable  0-100% LEL  20% LEL  1% LEL
Hydrogen sulphide (H2S)  0-100ppm  5ppm  1ppm
Nitrogen dioxide (NO2)  0-20ppm  1ppm  0.5ppm
Oxygen (O2)  0-25% vol.  19.5% / 23.5% vol.  0.1% vol.
Ozone (O3)  0-1ppm  0.1ppm  0.01ppm
Sulphur dioxide (SO2)  0-20ppm  1ppm  0.1ppm
Chlorine dioxide (ClO2)  0-1ppm  0.1ppm  0.1ppm
Nitric oxide (NO)  0-100ppm  25ppm  1ppm
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