F-Gas Detector is a high quality infrared fixed-point detector
General Details
Available for detecting a range of different refrigerant gases and also sulphur hexafluoride (SF6), the Crowcon 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.
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Features
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
Specification
| 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 | |
| Response time | 30 seconds approx |
| Pressure | 800-1200mBar |
| Approvals | EMC: EN5027 |
Refrigerent Gas options
Pure fluids
| Fluids | Formula | Name | Measuring Range |
| 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 |
Blended fluids used in refrigeration/air conditioning market:
| Refrigerant | Components | Measuring Range |
| R404a | R143a/125/134a | 1000ppm |
| R407a | R32/125/134a | 1000ppm |
| R407c | R32/125/134a | 1000ppm |
| R410a | R32/125 | 1000ppm |
| R507 | R143a/125 | 1000ppm |
Speciality fluid used for vehicle refrigeration:
| Fluid | Formula | Name | Measuring range |
| R1234yf | CH2=CFCF3 | Tetrafluropropene | 1000ppm |
Insulating gas:
| FGas | Name | Measuring range |
| SF6 | Sulphur hexaflouride | 1000ppm |