Crowcon F-Gas Detector, Fixed gas detector




Housed within an IP54 rugged enclosure, the F-Gas Detector is a toxic gas detector 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.



Crowcon gas detectors (portable and fixed) are suitable for applications in many industries and for detecting a wide variety of dangerous gases – protecting people and plant from gas risks (toxic and flammable) in both industrial and hazardous areas with IECEx and ATEX certification. Portable product range: Gas-Pro, Gas-Pro IR, Gas-Pro PID, Gas-Pro TK, T4, Tetra 3, Gasman, Clip SGD, Detective+, Detective Wireless, LaserMethane Mini, Triple Plus+ Fixed product range: XgardIQ, IRmax, Xgard Bright, Xgard, TXgard-IS+, Flamgard Plus, TXgard Plus, Open Path Gas Detectors, FGard IR3 Flame Detector, Xsafe, F-Gas Detector


Thông số kỹ thuật:

Kích thước 151 x 80 x 60mm (5.9 x 3.1 x 2.4ins)
(Total size with cable gland: 151mm x 102mm x 60mm)
Trọng lượng 0.25kg (8.8oz)
Cấp bảo vệ IP54
Nguyên lý đo Non-dispersive infrared (NDIR)
Dải đo 0-1000 ppm
Độ phân giải 1ppm
Nguồn điện 12-28Vdc
Dạng tín hiệu ra 4-20mA current source
(can be set to 0-20mA, 0-2V, 0-5V or 0-10V)
Nhiệt độ làm việc -20°C to +40°C
Độ ẩm làm việc 10 to 95% RH non-condensing
Độ lặp lại +/- 1% FSD
Độ tuyến tính +/- 2% FSD
Thời gian khởi động <120 seconds
Thời gian phản hồi khí 30 seconds approx
Áp lực làm việc 800-1200mBar
Phê duyệt EMC: EN5027

Các loại Gas lạnh phát hiện được:

Pure fluids

Chất lỏng Công thức Tên Dải đo
HCFC 22 (R22) CHCIF2 Chlorodifluoromethane 1000ppm
HCFC 123 (R123) CHCI2CF3 2,2-Dichloro-1,1,1-trifluoroethane 1000ppm
HFC 125 (R125) C2HF5 Pentafluoroethane 1000ppm
HFC 134a (R134a) CH2FCF3 1,1,1,2-Tetrafluoroethane 1000ppm

Các loại chất lỏng Gas lạnh và gas điều hòa:

Gas lạnh Thành phần Dải đo
R404a R143a/125/134a 1000ppm
R407a R32/125/134a 1000ppm
R407c R32/125/134a 1000ppm
R410a R32/125 1000ppm
R507 R143a/125 1000ppm

Loại Gas lạnh đặc biệt cho phương tiện giao thông: + Loại gas cách điện:

Chất lỏng Công thức Tên Dải đo
R1234yf CH2=CFCF3 Tetrafluropropene 1000ppm


Gas lạnh Tên Dải đo
SF6 Sulphur hexaflouride 1000ppm





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