Zellpell – CAT25 Catalytic Sensors Built into Certified Housing
From Gas Sensor Range
A range of Electro-Catalytic diffusion limited, combustible gas detectors, supplied in metal housings and fitted with integral connection pins and flame arresting sinters. All versions of Midi are Component Recognised/Approved by UL, CSAand BASEEFA, making them ideal for incorporation into separately certified gas detection apparatus either portable or fixed.
Within the enclosure a variety of alternative dete...
Within the enclosure a variety of alternative detecting elements can be incorporated. These allow the sensor to be tailored for either the industrial, commercial or domestic environments.
General Specification
Operating Principle: Constant voltage
Gas Detected: Most combustible gases & vapours
Measurement Range: 0-100% LEL
Operating Voltage: 3.3V ± 0.02V
Operating Current: 70mA ± 5mA
Maximum Power Consumption: 230mW
Certified Power Dissipation: Pmax 0.4W Vmax 9V
Maximum Methane Concentration: 5% v/v
Expected Operating Life: 2-years in air
Output Sensitivity: >20mV/% methane
Temperature Range: -55°C to +55°C
Humidity Range (non-condensing): Continuous: 0-90% RH, Intermittent 0-99% RH
Response Time (T590): <10 seconds
Long Term Zero Drift: <±5% LEL methane per year
Long Term Span Drift: <±2% LEL methane per month
Linearity: ±10% LEL up to 100% LEL
Physical Specification
Housing Material: Aluminium Alloy (BS4300) - 12.6 gms
Sinter Material: Stainless Steel ANSI 316, 90 m maximum pore size, 4.0 to 4 .5g/cm2 density
Label: Metallised polymer
Storage Life: 6 months in sealed container
Storage Conditions: 10-20°C, 45-75% RH in clean air
Orientation: Any
Warranty Period: 12 months from date of dispatch
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