Project Description

Measuring cube for recording temperature and relative humidity with wireless communication

  • Mobile, self-sufficient radio measuring point with external combi sensor

  • Simple determination of measured values, intermediate storage and radio transmission (min. 128 bit AES encryption)

  • Convenient measured value analysis and data export in the PreonLive online portal

  • Battery life up to 3 years with Lithium-Polymer battery (without recharging)

  • Modular compatibility with all Virtenio Cubes and Gateways

  • Robust housing (IP 66)

  • Compact dimensions of 65 x 65 x 106 mm (L x W x H)

  • Detection of temperature and relative humidity

Funk-Datenlogger für Temperatur und Luftfeuchtigkeit
Made in Germany by Virtenio
Data Sheet


The PreonCube Condition Pro is a wireless radio measuring point with external combi sensor for temperature and relative humidity. Due to its compact design and battery operation, the Cube is very well suited for self-sufficient monitoring of buildings, warehouses, cabinets or hard-to-reach environments. Depending on the selected measuring interval, the Cube uses its combination sensor to record precise data on temperature and relative humidity. Depending on requirements, it transmits these measured values at customer-specific intervals and a suitable radio protocol to other measuring points or directly to radio gateways. From the optionally available gateways, the data is transferred to the PreonLive online portal where it can be analyzed and exported. So you can monitor your remote PreonCubes from any PC, smartphone or tablet with Internet access and always have an overview of their local environmental conditions. Matching the PreonCube Condition Pro, the wireless traffic light PreonCube Condition Signal Light is available. The three-stage traffic light can be operated within radio range of the measuring point and signals current measured value ranges with different colours depending on temperature or humidity.


An externally installed combination sensor is used to record the data. This is equipped with a filter cap and is located on the upper side of the cube. It records temperature and relative humidity with high accuracy.


  • Areas of application: Buildings, storage, energy analyses

  • Application: Precise monitoring of buildings, halls, rooms, cupboards or showcases, etc.

  • Monitoring, detection, control and alarming

  • Spot checks or long-term measurements

Technical data

General information
Dimensions 65 x 65 x 106 mm (L x W x H)
Weight 190 g
Case polycarbonate
Safety class IP66 (case), IP64 (Combi sensor with filter cap)
Power supply Lithium polymer accumulator (LIPO) 3.6 V; charging time max. 5 hours (with complete discharge) via USB power supply with 5V @ 500mA
Operating time up to 3 years without recharging
Memory Flash, non-volatile
Operating temperature -30°C to +85°C
Interaction Non-contact reed switch, LED (two-color)
Connection Micro-USB for PC connection or USB power supply unit
Radio communication
Radio frequency 2,4 GHz
Radio standard IEEE 802.15.4
Range (up to) outdoor 300m / indoor 30m
Security at least 128 bit AES
Radio protocol IEEE 802.15.4 (P2P); 6LoWPAN with duty cycling (via SW update)
Radio channels 16
Transmission interval 15 min (standard, programmable)
Sensor digital temperature sensor, capacitive
Measuring interval 15 min (standard, programmable)
Measuring range -40°C to +85°C
Resolution 0,125°C
Accuracy 0,5 K @ 23 °C +/- 1 Digit
Relative Humidity
Sensor digital humidity sensor, capacitive
Measuring interval 15 min (standard, programmable)
Measuring range 0-100 % rF (non-condensing)
Resolution 0,5 %rF
Accuracy +/- 2,5% rF (10-40 °C, 10-90 %rF)+/- 1 Digit; else +/- 5 % r.F.+/- 1 Di.
EMV ETSI EN 50371, ETSI EN 60950, ETSI EN 300328, ETSI EN 301489
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