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Product Features
  • Superior IR sensor technology
  • Tri-coloured LED’s
  • Choice of output signals
  • IP54 rated enclosure
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.
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  • Please see our delivery page for full information
The Crowcon F-Gas Detector is available for detecting a range of different refrigerant gases and also sulphur hexafluoride (SF6), the F-Gas Detector can be connected to any control system that accepts an analogue signal.

Housed within an IP54 rugged enclosure, the F-Gas Detector is suitable for use in non-hazardous areas such as plant or switchgear rooms. In addition to protecting personnel from toxic gas risks, installing the F-Gas detector also helps to reduce the risk of leakage of powerful ‘greenhouse gases’ into the environment.

Accurate and reliable
  • Superior IR sensor technology – provides fast, stable and dependable performance with low maintenance and long life. Unlike cheaper semi-conductor type sensors the F-Gas detector is not affected by other types of gas or changes in temperature or humidity

Simple and versatile
  • Tri-coloured LED’s – indicate the operating status of the detector, and in combination with the function keys, facilitate simple adjustments such as zero and calibration
  • Choice of output signals – the analogue output signal can be set as 4-20mA, 0-20mA, 0-2V, 0-5V or 0-10Vdc for compatibility with virtually any control system
Long life with low maintenance costs
  • No consumable parts – provides many years of service with no requirement to replace the sensor or any other components
  • Simple to test – requires a bi-annual gas check only. Re-calibration is only necessary if readings are out of range
  • IP54 rated enclosure – provides good protection from dust and water ingress in indoor environments

Safety and compliance
  • F-Gas regulations compatible – enables F-Gas suppliers and user to comply with the mandatory European F-Gas regulations
  • Rapid gas leak detection – provides an early warning that gas is leaking and thus maintains system efficiency and reduces expensive gas replacement costs
  • Environmental protection – helps to reduce the risk of leakage of powerful ‘greenhouse gases’ into the environment.
Size 151 x 80 x 60mm (5.9 x 3.1 x 2.4ins)
(Total size with cable gland: 151mm x 102mm x 60mm)
Weight 0.25kg (8.8oz)
Ingress protection IP54
Measuring principle Non-dispersive infrared (NDIR)
Range 0-1000 ppm
Resolution 1ppm
Power 12-28Vdc
Analogue output 4-20mA current source
(can be set to 0-20mA, 0-2V, 0-5V or 0-10V)
Operating temperature -20°C to +40°C
Humidity 10 to 95% RH non-condensing
Repeatability +/- 1% FSD
Linearity +/- 2% FSD
Start up time <120 seconds
Response time 30 seconds approx
Pressure 800-1200mBar
Approvals EMC: EN5027

Refrigerent Gas options

Insulating gas:

FGas Name Measuring range
SF6 Sulphur hexaflouride 1000ppm
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