New HOBO sensor measures surface temperatures

In the framework of instrumentation investigations for energy conservation in buildings frequently climate Datenlogger of ONSET COMPUTER are used. The small self-sufficient devices measure with internal sensors air temperature and humidity in regular intervals and secure the measured values in the internal data memory for later evaluation. To the measurement of further points of temperature e.g. at walls or pipings external temperature sensors come to the employment, which are attached to additional entrances of the miniature Datenlogger. These external sensors are present now in a new variant TMC6-HE particularly for surface measurement. The flattened copper plate of the sensor point provides for an optimal contact and from there for faster response times and more exact measured values. The assembly can be made simply by screwing or splicing tapes. The sensor has a cable length of 1,8 M. Datenlogger of ONSET are small compact devices, which work selfly-sufficient without external power supply and without maintenance. The parameters seized by the climate Datenlogger are united and evaluated in the evaluation software HOBOware. The measuring range extend over -20 +70 �C and/or 25 95% r.F. The digitization takes place with a dissolution of 12 bits. The capacity of the internal battery reaches for an enterprise of up to 1 year.

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