NEMOTO

United Kingdom

See product on nemototech.com

Specifications Recommended Voltage: 2.5V +/- 0.25V Current Drawn: 170 +/- 10mA Zero Offset: 0mV +/- 35mV Minimum Sensitivity: 30mV/% CH4/Air Range: 0-50% LEL Accuracy: +/- 1%LEL(CH4) Maximum Long Term Drift: Span: < +/- 1% LEL/Month Zero: <+/- ½ mV/Month Response Time:

: T50: 3 sec T90: 8 sec Temperature Range: -10°C to +50°C Temperature Drift: (-10°C to +50°C) Zero: < +/-2%LEL Humidity: 5-90%RH, non-condensing Humidity Response: +/- 2%LEL Linearity: Effectively linear to 50%LEL The Nemoto NAP-50A and NAP55A are catalytic (pellistor) type flammable gas sensors supplied as matched pairs of catalytic elements mounted on a single header enclosed in a plastic housing and protected by a metal mesh. Designed as a gas sensor for use in Domestic (Residential) Gas Detectors, the sensor detects and measures the presence of flammable gases and vapours in air, in the range 0-50% of the Lower Explosive Limit (LEL) of the gas or vapour being measured. The highly advanced and efficient production techniques developed by Nemoto means that the cost of technically superior pellistor technology, usually reserved for Industrial Applications, is now appropriate low enough for them to be used for domestic gas detectors, which have hitherto tended to use less expensive, but less stable and less selective semiconductor type gas sensors. The performance of the NAP-50A is fully compliant with internationally recognised standards for domestic explosive as detection, such as EN-50194
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