Temperature sensors

Flexible sensors for temperature measurement

Temperature sensors visual

Prepared for every situation: Symaro™ offers temperature sensors with all important active and passive output signals. The active sensors can be quickly adapted to the situation at hand using a number of different, easily-adjustable measurement ranges.

Highlights at a glance

  • Wide choice of products covering all usual measurement ranges and output signals

  • Energy-efficient heat requirements and high room comfort – the result of balanced measurement weighting, short reaction times, and high measuring precision

  • Innovative and simple installation – thanks to a construction and housing design that comply to all measuring technology and installation requirements


QAA.. – room temperature sensors

Room temperature sensor

The sensors are used in heating, ventilation and air conditioning plants to acquire the room temperature.

Range of use:

  • Temperature: 0…50 °C

  • Supply:AC 24 V / DC 13.5…35 V

  • Output: LG-Ni1000 / Pt100 / Pt1000 / NTC 10k / DC 0...10 V / DC 4...20 mA

  • Protection class: IP30

Link to more information:


QAM.. – duct temperature sensors

Duct temperature sensor

The duct temperature sensors are for use in ventilation and air conditioning plants as supply or extract air temperature sensors. The device is used as limit, reference or measuring sensor.

Range of use:

  • Temperature: -50…80 °C

  • Supply: AC 24 V / DC 13.5…35 V

  • Output: LG-Ni1000 / Pt100 / Pt1000 / NTC 10k / DC 0...10 V / DC 4...20 mA

  • Protection class: IP42 / 54

Link to more information:


QAE.. – immersion temperature sensors

Immersion temperature sensors

The sensors are for use in ventilation and air conditioning plants for controlling or limiting the flow temperature, limiting the return temperature and controlling the domestic hot water temperature.

Range of use:

  • Temperature: -30…130 °C

  • Supply: AC 24 V / DC 13.5…35 V

  • Output: LG-Ni1000 / Pt100 / Pt1000 / NTC 10k / DC 0...10 V / DC 4...20 mA

  • Protection class: IP42 / 54

Link to more information:


QAC.. – outside sensors

Outside sensor

The QAC.. outside sensors are for use in heating, ventilation and air conditioning plants as reference sensors for weather-compensated control and measuring sensors, e.g. for optimisation, measured value indication, or for connection to a building automation and control system. 

Range of use:

  • Temperature: -50…70 °C

  • Supply: AC 24 V / DC 13.5…35 V

  • Output: LG-Ni1000 / Pt100 / Pt1000 / NTC 10k / DC 0...10 V / DC 4...20 mA

  • Protection class: IP54 / 65

Link to more information:


QAD.. – strap-on temperature sensors

Strap-on temperature sensor

This sensors are used for the acquisition of temperature of pipework for controlling or limiting the flow temperature, limiting the return temperature and controlling the domestic hot water temperature

Range of use:

  • Temperature:-30…130 °C

  • Output: LG-Ni1000 / Pt100 / Pt1000 / NTC 10k

  • Protection class: IP42

Link to more information:


QAP.. – cable sensors

Cable sensor

The sensors are used in heating, ventilation and air conditioning plants to acquire the temperature. They are for use with the corresponding accessories as strap-on sensors for pipework and solar collectors, immersion sensor or changeover (from heating to cooling or vice versa)

Range of use:

  • Temperature: -30…130 °C

  • Output: LG-Ni1000 / Pt100 / Pt1000 / NTC 10k

  • Protection class: IP65

Link to more information: