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  • SENSORS

F1 + CAT300A

All technical information on this sensor is in the brochure below

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Specifications


TECHNICAL SPECIFICATION

Application - Combustible gas detection
Operating Range - 0 -100% L.E.L. for gases and vapours
Sensing Principle - Catalytic Oxidation - continuous diffusion - poison resistant
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 32mm. Diameter 33mm
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 1.25 pitch
Lock Screen -  3mm – 1.5mm
Housing Components - Body Ref. 001-002
End Cap Ref. -  001-003
Ingress Protection - IP63 + universal fitting IP64 + water shield IP65
Operating Voltage - 2v ± 0.10v
Typical Current - 300mA ± 20mA
UK Design Patent - No. 2025396
Weight - 165 gms


PERFORMANCE DATA
Warm Up Time
- 1% L.E.L. within 10 seconds
Sensitivity - > 17mV per % Methane
Response Time - 1% Methane T90 - 17 secs
+ Weather Cone -  T90 - 19 secs
Cell Operating Temperature - Standard CAT 300A -20°C to 80°C continuous / High Temp CAT 300AHT -20°C to 100°C continuous, 120°C 15 min short term
See certification for Ex use
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% L.E.L. or 10% of reading, whichever is greater.
Vibration Test - 4g 96hrs 20-330Hz/2min
Air Speed Effect - The variation of the indication over a range of air speeds from Om/s to 6m/s is less than 3% L.E.L. or 10% of reading, whichever is the greater. With weather cone fitted- 1.25% L.E.L. or 4.5% of reading.
Temperature Coefficient - 0.2% L.E.L. per 1°C change
Operating Life (Typical) - > 5 years clean environment
Storage Life - > 4 years in container
Storage Temperature -20°C to 40°C

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