Photo Model No. for use Type Taget gases Detection Range Features
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
NAP-550 Residential Electrochemical Nitrogen dioxide NO2 0 - 30 ppm High accuracy
NE4-CO NE4-CO Industrial Electrochemical Carbon monoxide CO 0 - 1,000 ppm Compatible with 4 series sensor of City Tech,Standard type
NE4-H2S-500 NE4-H2S Industrial Electrochemical Hydrogen sulfide H2S 0 - 100 ppm Standard type, 0-100ppm, 500nA/ppm
NE4-H2S-500 NE4-H2S-100 Industrial Electrochemical Hydrogen sulfide H2S 0 - 100 ppm 0-100ppm, 700nA/ppm, Compatible with City's
NE4-H2S-500 NE4-H2S-200 Industrial Electrochemical Hydrogen sulfide H2S 0 - 200 ppm 0-200ppm, 500nA/ppm
NE4-H2S-500 NE4-H2S-500 Industrial Electrochemical Hydrogen sulfide H2S 0 - 500 ppm 0-500ppm, 200nA/ppm
NE4-NH3-5000 NE4-NH3 Industrial Electrochemical Ammonia NH3 0 - 100 ppm Standard type, 0-100ppm
NE4-NH3-5000 NE4-NH3-1000 Industrial Electrochemical Ammonia NH3 0 - 1000 ppm 0-1000ppm
NE4-NH3-5000 NE4-NH3-5000 Industrial Electrochemical Ammonia NH3 0 - 5000 ppm 0-5000ppm
NE4-NO2 NE4-NO2 Industrial Electrochemical Nitrogen dioxide NO2 0 - 20 ppm Standard type, 0-20ppm
NE4-NO Industrial Electrochemical Nitric oxide NO 0 - 250 ppm Standard type
NE4-Cl2 Industrial Electrochemical Chlorine Cl2 0 - 10 ppm Standard type
NE4-HCHO NE4-HCHO Industrial Electrochemical Formaldehyde HCHO 0 - 50 ppm More than 0.5ppm
NIS-02C NE7-CO-H Industrial Electrochemical Carbon monoxide CO 0-1000ppm 7 series type, 0-1000ppm, H2 compensated
NIS-02C NE7-CO-H10000 Industrial Electrochemical Carbon monoxide CO 0 - 1% 7 series type, 0-10000ppm, H2 compensated