Each product page on this site includes links to pdf files containing more detailed technical information on that specific gas sensor product. However, we are mindful that many people just want to quickly download the datasheets and technical information they want without having to browse the site's pages. All the pdf files on this site may be linked from here for your convenience:

Catalytic Flammable Gas Sensors (Pellistors)
Part No.	Brief Description	Download Links
NAP-55A	Low-cost Catalytic gas sensor for domestic Natural Gas Detectors. Mounted in a small size plastic housing.
NAP-50A	As NAP-55 but with a lower cross-sensitivity to Alcahols to comply with international standards such as EN-50194
NAP-66A	Low-cost Catalytic gas sensor for domestic LPG Detectors. Mounted in a small size plastic housing. Similar to NAP-55A but optimised to detect higher hydrocarbons such as Propane and LPG. Should NOT be used to detect Methane or Natural Gas
Electrochemical Toxic Gas Sensors
Part No.	Brief Description	Download Links
NAP-505	New flat design, Low-cost 3 Electrode Electrochemical Sensor to measure 0-1000ppm Carbon monoxide. designed for use in Domestic Gas Detectors, Fire Detectors and Air Quality Monitors.