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China
Personne àcontacter Daisy
shenzhen, Shenzhen, Guangdong
NEMOTO Combustible Gas Sensor NAP-50A for Gas Detectors
Model Number: NAP-50A
Description:
NAP-50A is a miniature & low power consumption type sensor. NAP-50A ismainly used for gas detectors. Compared to NAP-55A, NAP-50A has a loweralcohol sensitivity to eliminate false alarms caused by alcohol, thus more reliablegas detectors can be produced with NAP-50A. The following are the basiccharacteristics but it is recommended to refer to the individual users manual forfurther information. See NAP-66A for measuring circuit for sensor evaluation.
* Target gases and detection range
| Gases | Detection range | ||
| Methane | CH4 | 0.05 ~ 5% (0.05 ~ 2%) | |
| Ethane | C2H6 | 0.05 ~ 3.2% (0.05 ~ 1.5%) | |
| Iso-butane | Iso-C4H10 | 0.03 ~ 1.8% (0.03 ~ 0.8%) | |
| Hydrogen | H2 | 0.05 ~ 4% (0.05 ~ 1.5%) | |
| Hydrocarbons | CnH2n+2 | 1~100% LEL (1~50%LEL) | |
* Ratings
| Items | Ratings |
| Supply Voltage |
DC 2.5 ±
0.25V AC 2.5 ± 0.25V (r.m.s. 50~60Hz) |
| Current(When 2.0V is applied) | DC 150
~ 170mA AC 150 ~ 170mA (r.m.s. 50~60Hz) |
| Ambient Temperature |
In operation
-10 ~
+50℃ In storage -10 ~ +50℃ |
| Ambient humidity |
In operation
95%RH or less In storage 99%RH or less (No dew condensation) |
* Gas sensitivity characteristics
| Gases & concentration | Output voltage |
| Output in air | -35 ~ +35mV |
| Methane 3000ppm | 10 ~ 16mV |
| Iso-butane 1400ppm | 9 ~ 14mV |
| Hydrogen 1400ppm | 7 ~ 12mV |
| Ethanol 1% | Less than 10mV |
Drawing :
Gas sensitivity characteristics
Response
characteristics
