Measuring the temperature of the floor, the NTC or Pt1000, Ni1000 cable sensors

In order to measure the floor temperature (to regulate water and electrical floor heating systems), you can use a cable temperature sensor connected to the system analogue inputs, e.g. to the analogue input of the temperature sensor or the wall-mounted heating controller.

The temperature sensor should be placed in a protective plastic tube of sufficient diameter (about 10 mm), which must be embedded and flush-mounted in its base; it is placed at least 0.5 m from the edge of the floor, not too close to the heating element (see the relevant assembly instructions of the underfloor heating systems).

For an example of connection see e.g. the CFox wall-mounted temperature sensor C-IT-0200R-design.

The cable temperature sensor can be used for contact temperature measurements of liquid, solid or gaseous substances, e.g. the solar heating circuits, the water temperature in the storage tank, etc. In addition to measuring the floor temperature, it is used for measuring the temperature in the tanks of heating systems, and it can also be used for measuring the temperature in the piping, by thoroughly attaching the sensor to the pipe and carefully insulating it. Its main component is the temperature sensor itself, which is placed in a metal casing and its terminals are connected to the power cord. The temperature range in the table applies for the sensor itself and for the power cable. If the cable is equipped with shielding, this shielding is not connected with the case or with any other wire of the sensor.

The standard scanners are equipped with 12k NTC sensors in the version up to 80 °C and up to 125 °C, also with the Pt1000 (3850 ppm) and Ni 1000 (6180 ppm) sensors. The standard lengths are listed in the price list, and other variants of cable sensors or different cable lengths are custom-made on request. The following table specifies the basic electrical and mechanical parameters of commercially available sensors:

xx – the length of the cable in meters (for standard supplied lengths see the price list)