Crowcon T4 Portable Multigas Detector


(GST 18% Exclusive)

100 in stock


Crowcon T4 Portable Multigas Detector provides effective protection against 4 common gas hazards: carbon monoxide, hydrogen sulphide, flammable gases, and oxygen depletion. Now with improved detection of pentane, hexane, and other long-chain hydrocarbons.
Applications: Steelworks, Petrochemical plant, Shipbuilding yard, Sewage treatment plant, Mine, Power supply works, Hermetically sealed area (manhole, tank).

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Crowcon T4 Portable Multigas Detector integrates innovative safety features and an intuitive, rugged design to provide advanced protection for those working in harsh environments. Crowcon Flammable gas detector Offers the best compliance, robustness, and low cost of ownership in a simple to use solution. T4 contains a wide range of powerful features to make everyday use easier and safer.

Features of Crowcon T4 Portable Multigas Detector:

  • T4 is durable by design and includes an integrated rubber boot as standard
  • Drop tested to 4m and well protected from water ingress through IP65 and IP67 certification.
  • Now with improved detection of pentane, hexane, and other long-chain hydrocarbons.
  • TWA Resume function ensures toxic gas exposure is calculated accurately over an entire shift, even if T4 is switched off for a break or during travel to another site
  • With a battery life of 18 hours, T4 allows multiple or longer shifts to be worked between recharging
  • Positive Safety: Crowcon’s visual ‘traffic light’ indication, provides constant visual assurance that T4 is operating soundly and conforms to site bump test & calibration policy. The bright green and red Positive Safety LEDs are visible to all and offer a quick, simple and comprehensive indication of monitor status to both the user and others around them


Additional information

Weight 1 kg


Model No



For Oxygen: 0-30% vol, For Flammable-0-100% LEL, For Hydrogen sulphide (H2S):0 to 100 ppm, ForCarbon Monoxide: 0 to 1000ppm


For Oxygen: 0.1% vol, For Flammable-0.1% LEL, For Hydrogen sulphide (H2S): 1 ppm, For Carbon Monoxide: 1 ppm


Front mounted, backlit, 180° flip for easy viewing while worn

Logging Interval

130 hours of data at 10s intervals 3,500


Up to 18 hour runtime; 5.5 hour recharge

Operating Temperature

-20 to +55°C

Operating Humidity

10-95% RH @ 40°C non-condensing Independently tested to IP65 and IP67


Drop tested 4m onto concrete


95dB Integrated Bright red & blue LED’s(Audible Vibrating Visible)


EMC Directive 2014/30/EU


Ex II 2 G Ex d ia IIC T4 Gb Tamb -20°C to +55°C,Ex d ia IIC T4 Gb Tamb -20°C to +55°C Use in hazardous locations Class 1 Div 1 groups A,B,C,D only as to intrinsic safety Ex d ia IIC T4 Gb Tamb


135 X 80 X 35 mm


282 Grams

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Crowcon T4 Portable Multigas Detector


(GST 18% Exclusive)

Add to cart