Wired temperature sensor, THERMPROBE, Radio Power system, for THERMARP chronothermostat, with NTC sensor

External temperature probe for Thermarp YOKIS chronothermostat with NTC sensor (100 kΩ at 25 ° C).
It allows an alternative temperature measurement to that of the temperature sensor inside the Thermarp device.
It can be used for underfloor systems if you want to measure the temperature at floor level.