Opus20 THI


Data-collector for climate monitoring of temperature and humidity in buildings and the control of all climate-sensitive production processes: in electronic data-processing centres, control cabinets, wind turbines, storage rooms and museums.

This product includes the following App

Note: This product can only be purchased in combination with a SIWIAT App-Box. The price includes the configuration and setup of the system.



Measuring interval 10/30s, 1/10/12/15/30min, 1/3/6/12/24h
Construction Plastic housing
Operating time with battery > 1 Year
Data storage 16 MB, 3,200,000 measured values
LC-Display Height 90x64mm
Weight Approx. 250g
Included in delivery PC-Windows Software SmartGraph 3 for graphical and numerical representation of measured values / instruction manual / data cable / battery / DIN rail bracket
Interface USB, LAN
Storage interval 1/10/12/15/30min, 1/3/6/12/24h
Power supply 4 x LR6 AA Mignon, USB
Operating temperature -20…50°C
Operating rel. humidity 0…100% RH, < 20g/m³ (non-condensing)
Max. height 10,000m above sea level


Principle NTC
Measuring range -20 … 50 °C
Unit °C
Accuracy ±0.3°C (0…40°C), otherwise ± 0.5°C
Resolution 0.1

Relative humidity

Principle Capacitive
Measuring range 0 … 100 % RH
Unit % RH
Accuracy ±2% RH
Resolution 0.1


Additional information

Weight 0,250 kg
Dimensions 16,6 × 7,8 × 3,2 cm
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