Multi-stage control of the temperature of a liquid or gaseous media, e.g. control of two-stage burners or heating registers. For temperature control of non-aggressive gases in the duct, use the thermowell SW-200-12, for temperature control in non-aggressive fluids use the thermowell TH, in aggressive fluids use the thermowell NTH. Immersion sleeves or protection coils are not included in the scope of delivery.
