Stable operation for humidity tester
A
Vaisala product story
Edited by the Engineeringtalk editorial team
Apr 4, 2003
A new product range is available for measuring relative humidity and associated variables in process and environmental test applications.
The Vaisala HMT320 series includes six interchangeable probes, a separate transmitter body and mounting plate.
The calibration information is contained in the probe interface so there is no need to calibrate the transmitter module when a probe is replaced.
Choice of probe depends on the environmental operating conditions and mounting requirements.
Different probe heads are suitable for use in temperatures down to -70C and up to +180C, in vacuum and pressure up to 100bar.
There is also a choice of sensors and filters available for different applications.
A chemical purge option helps to maintain accuracy and stability in environments where high concentrations of chemicals are present.
The transmitter module has a selectable range of analogue and digital outputs.
Optional output variables include dewpoint and mixing ratio.
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