IoT4Tunnel hPaThis complete package is optimized for growing on substrates. Monitoring of temperature, rel. humidity and substrate moisture with a high-quality Irrometer Mini-Tensiometer for substrates. Data update every 15 min.

The complete package includes the basic device, device holder, batteries, NB IOT SIM card, data traffic, data hosting and use of the WebApp for 1 year and the sensors as specified.


Technical data sensors

Air temperature and rel. humidity:

Measuring range temp: -30 to 70 °C
Measuring range rel. humidity: 0 to 100 %rF
Accuracy Temp: ± 0,5 K @ 23 °C
Accuracy rel. humidity: ±2.5% rel. humidity (in the range 10 to 40 °C, 10 to 90% rel. humidity)
Filters: PTFE-filter
Convection hood: 2.3°C/KW/m2 @ 1m/s Wind speed.
 Cable: 1,5m

Irrometer mini tensiometer for substrates:

Measuring range: 0-400 hPa Suction
Resolution: 1 hPa
Accuracy: ±2,5%
Ceramic: 3.5 cm length, especially for substrates
Dimensions: Length / measuring depth 12cm, OD 10 mm
Cable: 90cm


SKU Name Price *  
IoT4Tunnel-hPa IoT4H2O basic unit, NB IoT SIM card, 1 x temp. & rel. humidity, 1 x IR-E-MLT tensiometer, batteries, bracket 935,00 €
(1112,65 €)
All prices excl. shipping *