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  • SENSORS

F1 + THECAT300A

Specifications

TECHNICAL SPECIFICATION 
Application General gas monitoring 
Operating Range 0 -100% L.E.L. for gases and vapours 
Sensing Principle Thermal conductivity principle 
Certification ATEX No. SIRA 03 ATEX 1176X IECEx No. SIR 06.0016X II 2 GD Exd IIC T6 Gb -20˚C Ta +35˚C Extb IIIC T85˚C Db Exd IIC T5 Gb -20˚C Ta +50˚C Extb IIIC T100˚C Db Exd IIC T4 Gb -20˚C Ta +85˚C Extb IIIC T135˚C Db Exd IIC T3 Gb -20˚C Ta +120˚C Extb IIIC T200˚C Db 
Housing Material Stainless Steel 316-S16 
Dimensions Body Length 33mm. Diameter 33mm 
Weight 165 gms 
Cable Exit Mounting Thread (A) 20mm 1.5 pitch standard 25mm 1.5 pitch option 3⁄4 NPT – 14 option 
Accessory Mounting Thread (B) 33.3mm 1.5 pitch Lock Screen 3mm – 1.5mm key 
Housing Components Body Ref. 001-002 End Cap Ref. 001-003 
Ingress Protection IP63 + universal fitting IP64 + water shield IP65 Operating Current 335mA ± 5mA 
Voltage 2v DC UK 
Design Patent No. 2025396 

PERFORMANCE DATA 
Warm Up Time 1% Vol within 30 seconds 
Sensitivity 1.0mV / % Methane 
Operating Temperature -20°C to 80°C 
Storage Temperature -20°C to 40°C 
Linearity Better than ± 4% fsd Zero Stability < ± 8% fsd/year 
Repeatability Better than ± 4% fsd 
Humidity Effects Continuous 20-90rh Intermittent 0-100% rh (non-condensing) 
Pressure Effects The deviation of the indication from that at 1013 mbar over the range 950 to 1100 mbar is less that 3% or 10% of reading, whichever is greater. 
Vibration Test 4g 96hrs 20-330Hz/2min 
Operating Life (Typical) > 2 years clean environment 
Storage Life > 2 years in container 
Recommended Recalibration Period 6 monthly

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