Senva TGM-ACN-A
Senva TGM-ACN-A : Metal Carbon Monoxide/Nitrogen Dioxide Sensor/Controller, 5% Accuracy, CO : 0-200ppm (Default); 0-1000ppm (Menu Selectable), NO2 : 0-10ppm (Default); 0-30ppm (Menu Selectable), 4-20mA/0-5VDC/0-10VDC Output, LCD Display, Tinted NEMA 3R Enclosure, 7-Year Limited Warranty, Made in USA