Specialty Fluorescent pigment
NAP|2A
NAP-2A is a universal type of sensor for flammable gases and can be used for gas detectors as well as for 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 |
| Methane |
CH4 |
0.05 ~ 5(0.05 ~ 2) |
| 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 2.20 +/- 0.22u
AC 2.20 +/- 0.22u (r.m.s. 50~60Hz) |
| Current(When 2.2V is supplied) |
DC 340 ~ 380mA
AC 340 ~ 380mA (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 & Concentration |
Output voltage |
| Output in clean air |
-35 ~ +35 mV |
| Methane 3000ppm |
14 ~ 22 mV |
| Iso-butane 1400ppm |
12 ~ 18 mV |
| Hydrogen 1400ppm |
9 ~ 15 mV |
| Ethanol 1400ppm |
Less than 15mV |
 |
 |
| Recommended measuring circuit |
Gas sensitivity characteristics |
