Conservation of cultural heritage. Procedures and instruments for measuring humidity in the air and moisture exchanges between air and cultural property Ingestion-build-207047 The standard test formula is

The standard test formula is given in BS 5293-20

marking information

BS EN 27201-2 on halogenated hydrocarbons is useful for:

Flowchart summarizing the stepwise generation of chemical characterization data for use in toxicological risk assessment Information sources for chemical characterization

measure and review their SMS and services

Conservation of cultural heritage. Procedures and instruments for measuring humidity in the air and moisture exchanges between air and cultural property Ingestion-build-207047 The standard test formula is1 Scope This European Standard gives guidance and specifies procedures and instruments for the measurement of relative humidity (RH) in air, in outdoor or indoor environments. It indicates how RH can be directly measured or how it can be calculated from air temperature, wet bulb temperature and dew point temperature. This standard contains recommendations for accurate measurements of ambient conditions and moisture exchanges between air and cultural