Photo Model No. for use Type Taget gases Detection Range Features
NAP-55A Residential Catalytic methane,iso-butane,hydrogen methane(0.05-2.5%),iso-butane(0.03-1.0%) Small sized, Lower power consumption
NAP-56A Residential Catalytic methane,ethane,hydrogen methane(0.05-2.5%), Ethane(0.05-1.5%) Small sized, Lower power consumption
NAP-50A Residential Catalytic methane,iso-butane,hydrogen methane(0.05-2.5%),iso-butane(0.03-1.0%) Low sensitivity to ethanol
NAP-50AF Residential Catalytic methane,iso-butane,hydrogen methane(0.05-2.5%),hydrogen(0.05-2.5%) With charcoal filter
NAP-67A NAP-66A Residential Catalytic hydrogen,iso-butane hydrogen(0.04-2%),iso-butane(0.02-1%) Small sized, Lower power consumption
NAP-67A Residential Catalytic hydrogen,iso-butane hydrogen(0.04-2%),iso-butane(0.02-1%) Small sized, Lower power consumption
NAP-505 Residential Electrochemical Carbon monoxide CO 10 - 1,000 ppm High accuracy, Long lifetime
NAP-508 Residential Electrochemical Carbon monoxide CO 0 - 1,000 ppm Long lifetime