Home Shop 1W-TH-IB2 on-wall temperature + humidity sensor

1W-TH-IB2 on-wall temperature + humidity sensor


Compact 1-Wire on-wall temperature and humidity sensor. Designed for measuring temperature and relative air humidity in building interiors. 

Note: The product is a development successor to the 1W-TH-IB sensor. 

63,50 €
52,48 € excl. VAT
In stock > 10 pcs
Extra > 50 pcs within 10 days after ordering

Check availability


The 1W-TH-IB2 sensor is designed for interior measurements of temperature and relative humidity in buildings. Its circuit board is placed within an on-wall box (IP30 protection). The sensor can be also placed within a universal wiring box (KU68).

The sensor communicates with the master system using the 1-Wire bus (screw terminal, four conductors) and is fully compatible with both the Mervisan officially supported SW platform for Unipi products, and with the EVOK, an open-source application programming interface (API). For more info about the available software, please visit Unipi Knowledge Base. 

  • Mervis: The device is compatible with the SEDtronic sensor line, allowing the user to use the same Unica_U1WT function block to read the values. 
  • EVOK: The sensor is detected automatically and can be used right away. Measured values are accessible on an address of the particular sensor also serving as a device identification. You can find the address on a sticker provided with the product. 

The installation guide and technical parameters can be found in the product's datasheet (see the Files tab above).

Further info


Product datasheet
Product features and technical information

Humidity measuring range 11 % RH / 89 % RH (+-3 % RH tolerance)
Temperature measuring range -40 °C/+85 °C with +-2 °C tolerance
Connection 1-Wire (screw terminal)
Sensor type DS2438 (temperature) + Honeywell HIH5030 (humidity)
Power 5 V (via the 1-Wire connector)
Dimensions 100 × 100 × 25 mm
Case material ABS plastic
IP rating IP30
Installation Installation box (KU 68)
Max. current draw 2 mA
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