Key Features & Benefits:? ATEX, UL and CSA Approvals? Withstands EN/IEC 60079-0 impact test? Enhanced H 2 S and silicone poison resistancePerformance Characteristics

詳細(xì)介紹

Key Features & Benefits:

? ATEX, UL and CSA Approvals

? Withstands EN/IEC 60079-0 impact test

? Enhanced H 2 S and silicone poison resistance

Performance Characteristics

MEASUREMENT
Operating Principle	Catalytic Oxidation
Gases Detected	Combustible gases
Suitable for	Methane, ethane, propane, butane, pentane, hexane, carbon monoxide & hydrogen
Unsuitable for	Higher hydrocarbons, alcohols, ketones, esters, hydrogen sulfide and other sulfur containing compounds
Range	0-99% LEL
Sensitivity	24 ± 4 mV/%methane
T90 Response Time Poison Resistance	<20 seconds (methane) Resistance to H 2 S poisoning Superior silicone resistance
ELECTRICAL
Operating Voltage	3.0 VDC
Detector Operating Current	75 ± 7 mA
Maximum Power Consumption	263 mW
Resolution	Electronics dependant
MECHANICAL
Casing Material	Stainless steel 316
Pin Material	Gold plated brass
Weight	24 g (nominal)
Orientation Sensitivity	None
ENVIRONMENTAL
Operating Temperature Range	-20 oC to +55 oC
Operating Pressure Range	1 atm ± 20%
Operating Humidity Range	0-90% RH non-condensing
LIFETIME
Long Term Span DriftLong Term Zero Drift	<5% signal/month <5% LEL methane /month
Recommended Storage Temp	0 oC to 20oC
Shelf life	6 months in sealed container
Warranty	12 months from date of despatch

Relative Sensitivity

The table below shows the variation in response of the CiTipeL on exposure to a range of gases and vapours atthe same %LEL concentration. The figures are experimentally derived and expressed relative to the methanesignal (=100). Testing was performed using 50%LEL CH 4 (based on 99%LEL CH 4 = 5%vol.)

Note: The results are intended for guidance only. For the most accurate measurements, an instrument should be calibrated using the gas under investigation.

Gas / Vapour	Relative Sensitivity*	Gas / Vapour	Relative Sensitivity*
Methane	100	Carbon monoxide	120
Propane	65	Hydrogen	110
n-Butane	65	Ammonia **	140
n-Pentane	55	Cyclohexane	50
n-Hexane	50	Ethylene	95
Acetylene	90	1, 3-Butadiene	60
* Each sensitivity has been rounded to the nearest 5%** T 90 for ammonia has been extended. Contact City Technology for further details.

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