Various sensor products

NAP−503

NAP-503 is a newly-developed version of NAP-505. The appearance and structure are exactly same as NAP-505, but this new version has a lower sensitivity to hydrogen gas. While NAP-505’s sensitivity to hydrogen gas is about 40% of the sensitivity to CO gas, but NAP-503’s sensitivity to hydrogen gas is only about 10% of the sensitivity to CO gas. Thus NAP-503 has much better gas selectivity. An appropriate type can be selected depending on users’ applications. As there are various types of NAP-503 as shown below, please contact us for detailed information.

Characteristics

Detection range CO 0 ~ 1,000ppm Zero point drift <10ppm (-20 ~ 50oC)
Output current 40±10nA/ppmCO Temp. & humidity -20 ~ 50oC, 15 ~ 90%RH
Repeatability Less than ± 2% Span drift Less than 5%/Year
Response time T90: Within 30 sec. Life More than 5 years

Fig. Gas sensitivity of NAP-503