Probe weathers harsh environments
A
Vaisala product story
Edited by the Engineeringtalk editorial team
Aug 22, 2008
Humidity and temperature probe is especially suitable for meteorological applications.
New from Vaisala, the HMP155 humidity and temperature probe features a new-generation Humicap 180R sensor that provides long-term stability and withstands harsh environments.
The probe structure is solid and the sensor is protected with a sintered Teflon filter, giving maximum protection against liquid water, dust and dirt.
An additional temperature probe is also available, enabling fast measurement response in environments with rapidly varying temperatures.
The HMP155 incorporates a patented warmed probe option that is designed for reliable measuring in environments where humidity is near saturation.
As the sensor head is warmed continuously, the humidity level inside it stays below the ambient level, which reduces the risk of condensation forming on the probe.
The HMP155 is especially designed for use in meteorological applications, such as synoptic and hydrological weather stations, aviation and road weather.
It is also suitable for a wide range of instrumentation, such as recorders, data loggers and laboratory equipment and monitoring.
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Dewpoint measured with accuracy and reliability
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Sensor measures humidity without interference
The resistance of the Vaisala Humicap180R to chemical interference has been achieved by developing a new type of chemical resistant polymer and a special new structure.
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