Vector Instruments H301 psychrometer
|Within Vocab||SeaVoX Device Catalogue|
|Alternative Labels||VI H301 psychrometer|
|Definition||A precision instrument for the measurement of air temperature and humidity by the wet and dry bulb method. A pair of 100 Ohm 4-terminal platinum resistance elements were enclosed in a double-walled enclosure with an optional radiation shield to minimise thermal radiation errors. The wet bulb element was enclosed by a wick leading to a 500 ml water reservoir (sufficient for 7 days) in a fan-driven airflow. Accuracy was quoted by the manufacturer as 0.2C with a response time of 50 seconds. The instrument was discontinued in 2010.|
|Has Current Version||1|
||meteorological packages||Mapping: 477661|
||Windspeed Limited||Mapping: 1448480|
|P01 BODC Parameter Usage Vocabulary - (2)|
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