Photo Model No. for use Type Taget gases Detection Range Features
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