The RL4512 is an external powered CO2 and Thermistor sensor, with an internal battery to be used only for setting up and downloading the data from the unit.
The CO2 is Channel 1 and Thermistor is Channel 2.
The RL4512 is an external powered CO2 and Thermistor sensor, with an internal battery to be used only for setting up and downloading the data from the unit.
The CO2 is Channel 1 and Thermistor is Channel 2.
