Concept
Vaisala HUMICAP 180R HMP155 Humidity and Temperature Probe
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1687/2/ | |
|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | |
| Alternative Labels | HMP155 180R Humidity Temperature Probe | |
| Definition | A humidity and temperature sensor which utilises the Vaisala HUMICAP 180R sensor designed for long term stability in high-humidity environments. The sensor head is warmed to ensure the humidity level inside stays below the ambient level, to reduce the risk of condensation forming on the probe and corrupting the measurements. The instrument is also capable of measuring dew point, frost point temperature, wet bulb temperature, and mixing ratio. The instrument features a membrane filter to speed up the relative humidity measurement, for use in environments with fast changing temperatures. The HMP155 measures humidity between 0 and 100% relative humidity, at an accuracy of +/- 1% for measurements between 0 and 90% relative humidity, and +/- 1.7% for measurements between 90 and 100% relative humidity, at ambient temperatures of 15 to 25 degC. At temperatures outside this range, humidity measurement accuracy ranges from 1.8 to 4.6% relative humidity. The HMP155 measures temperature within an observational range of -80 to 60 degC, at an accuracy of between +/- 0.12 and 0.45 degC depending on the ambient temperature and output setting. | |
| Date | None | |
| Identifier | TOOL1687 | |
| Note | accepted | |
| Is Version Of | TOOL1687 | |
| version | 2 | |
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