Senva CT1D-B3X Combination IAQ Sensor, CO2, Duct, No LCD, TempTransmitter

Senva CT1D-B3X Combination IAQ Sensor, CO2, Duct, No LCD, TempTransmitter. Senva's CT1D Series CO2 and Temperature Duct Sensors for Indoor Air Quality, feature optional LCD, adjustability for ranges, integrated set-point relay and field replacement NDIR element.