Skye designs and manufactures a range of sensors used to measure parameters related to the air. These are relative humidity, air temperature, air pressure and moisture in the air.
These sensors can be supplied with a Skye DataHog datalogger for continuous measurements for short and long term projects, or as part of the MiniMet Automatic Weather Station.
They are also available wire-ended, for connection to other dataloggers or measuring equipment.
Links below give further details.