https://doi.org/10.1351/goldbook.W06673
In @P04940@, the temperature of the sensor or the bulb of a thermometer in which a constantly renewed @F02366@ of water is evaporating. The temperature of the water used to renew the @F02366@ must be at the temperature of the gas.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2219 [Terms] [Paper]