Various sensor products
NAP|3A
NAP-3A is a universal type of LP Gas sensor, and is used for LP Gas detectors, leakage testers, and gas densitometers. The following are the ratings and output characteristics of this sensor. It is recommended to refer to the individual userfs manual for further information.
Target gases and concentration
| Gases |
Detection range |
| Propane |
C3H8 |
0.03 ~ 2.2(0.03 ~ 1) |
| Iso-butane |
Iso-C4H10 |
0.03 ~ 1.8(0.03 ~ 0.8) |
| Hydrogen |
H2 |
0.05 ~ 4(0.05 ~ 1.5) |
| Ethanol |
C2H5OH |
0.05 ~ 3.2(0.05 ~ 1.5) |
| Hydrocarbons |
CnH2n+2 |
1~100%LEL(1~50%LEL) |
(@)is a detection range in high accuracy
Ratings
| Items |
Specifications |
| Supply voltage |
DC 1.75 +/- 0.175V
AC 1.75 +/- 0.175V (r.m.s. 50~60Hz) |
| Current (when 1.75V is applied) |
DC 310 ~ 350mA
AC 310 ~ 350mA (r.m.s. 50~60Hz) |
| Ambient Temperature |
In operation -10 ~ +50
In storage -10 ~ +60 |
| Ambient humidity |
In operation 95RH or less
In storage 99RH or less(No dew condensation) |
Gas sensitivity characteristics
| Gas and concentration |
Output voltage |
| Output in clean air |
-35 ~ +35mV |
| Iso-butane 1400ppm |
12 ~ 18mV |
| Hydrogen 1400ppm |
9 ~ 15mV |
| Ethanol 1400ppm |
Less than 15mV |
 |
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| Recommended measuring circuit |
Gas sensitivity characteristics |
