NAP-508 is a newly-developed CO gas sensors, the expected lifetime is 10 years in the actual circumstance. The appearance and structure is exactly the same as NAP-505, however this NAP-508 is applicable for home-electronics or fire alarm equipment owing to this long lifetime 10 years. Please contact us for detailed information.


NAP-508's Structure

Target gases and Concentration

Gases Detection Range
Carbon monoxide CO  0 - 1,000 ppm

Gas sensitivity characteristics

Gas Concentration & Output Current
 Carbon monoxide CO 21±5nA / ppm CO
Gas sensitivity characteristics


Items Ratings
Repeatability Less than ±2%
Response time T90: Within 30 sec.
Zero point drift <10ppm (-20 - +50°C)
Ambient Temperature In operation -20 - +50°C
Ambient humidity In operation 15 - 90%RH
Span drift Less than ±3%/Year
Expected lifetime 10 years