Siemens, Room Sensor CO2 Selectable Resistance Temperature Output and Display, QPA2080D
Room CO2 sensor with 0-10V or 4-20mA selectable output for CO2. Temperature out is selectable between 10k Ohm type 2 thermistor, 1k Ohm platinum RTD, 100k Ohm platinum RTD, or 1k Ohm @ 32F nickel RTD. Front mounted LCD display.