Digital 1-Wire room temperature sensor in attractive surface-mounted housing

The HTF-1 enables precise and inexpensive room temperature measurement in an attractive surface-mounted housing with minimum cabling effort.


The HTF-1 offers simple and precise recording and interference-free digital data transmission of temperature values from closed, dry rooms, apartments, offices and business premises via the 1-wire bus system in an attractive housing. No calibration is necessary. Simple wiring of several probes in series, ring (not closed), star or tree with only two, optionally 3 wires

Technical Data

  • 2 / 3-wire connection (Data, GND, VDD) to 1-wire bus
  • Measuring range: -30 ... +70 °C
  • Resolution: programmable 9 - 12 bits (0.5 °C ... 0.0625 °C)
  • Accuracy: +/- 0.5 °C (-10 °C ... +70 °C)
  • Sensor element: DS18B20+

Mechanical data

  • Housing: plastic, material ABS
  • Colour: pure white, (similar to RAL 9010)
  • Mounting: on flush box 55mm with 4-hole fixing. Predetermined breaking point for cable entry AP.
  • Dimensions: 79 x 81 x 26 mm
  • Protection class: IP20 (according to EN 60529).