NAP-66A is mainly used for gas detectors and leak testers. NAP-66A is a half in height and needs a half in power consumption compared to existing sensor so that thinner and lighter-weight detectors can be produced. The following are the basic characteristics but it is recommended to refer to the individual users manual for further information. * Target gases and concentration Propan(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 Supply Voltage: DC 2.0 ± 0.2V AC 2.0 ± 0.2V (r.m.s. 50~60Hz) Current (When 2.0V is applied): DC 140 ~ 160mA AC 140 ~ 160mA (r.m.s. 50~60Hz) Ambient Temperature: In operation -10 ~ +50 In storage -10 ~ +50 Ambient humidity: In operation 95ï¼?RH or less In storage 99ï¼?RH or less (No dew condensation)