NAP-67A is not made with thermoplastics to achieve a higher temperature resistivity. The pin locations and dimensions are compatible to NAP-66A for the convenience of current users of Nemoto NAP-66A. The gas sensitivity is better than NAP-66A by about 15%. Users are to pay attention to this higher gas sensitivity upon calibration.
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Gas sensitivity characteristics
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%)
Hydrocarbons (CnH2n+2): 1 - 100%LEL (1 - 50%LEL)
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Ratings
Supply voltage:
DC 2.0±0.2V
AC 2.0±0.2V(RMS 50-60Hz)
current (2.0V applied):
DC 140 - 160mA
AC 140 - 160mA(RMS 50-60Hz)
Ambient temperature:
In operation -10 ~ +50℃
In storage -10 ~ +50℃
Ambient humidity:
In operation : less than 95%RH
In storage : less than 99%RH (without dew condensation)
