BS 4833:1986
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Schedule for hygrometric tables for use in the testing and operation of environmental enclosures
Hardcopy , PDF
31-07-2009
English
30-09-1986
Foreword
Committees responsible
Schedule
1. Scope
2. Basis of tables
3. Applicability of tables
4. Tables
Appendices
A. Variation of relative humidity with dry-bulb
temperature and wet-bulb depression (atmospheric
pressure 1013 hPa)
B. Bibliographical references
Tables
1a. Relative humidity from dry-bulb readings from 1 deg
C to 50 deg C and wet bulb depressions up to 15
degrees Celsius at 1013 hPa pressure
1b. Dew-point temperature from dry-bulb readings from
1 deg C to 50 deg C and wet-bulb depressions up to
15 degrees Celsius at 1013 hPa pressure
2a. Relative humidity from dry-bulb readings from 51 deg
C to 99 deg C and wet-bulb depressions up to 15
degrees Celsius at 1013 hPa pressure
2b. Dew-point temperature from dry-bulb readings from
51 deg C to 99 deg C and wet-bulb depressions up to
15 degrees Celsius at 1013 hPa pressure
3a. Relative humidity from dry-bulb readings from 2 deg
C to 98 deg C and wet-bulb depressions above 15
degrees Celsius at 1013 hPa pressure
3b. Dew-point temperature from dry-bulb readings from
2 deg C to 98 deg C and wet-bulb depressions above
15 degrees Celsius at 1013 hPa pressure
4. increase in relative humidity compared with 1972
edition, from dry-bulb readings from 2 deg C to
98 deg C and wet-bulb depressions up to 40 degrees
Celsius at 1013 hPa pressure
5. Correction for atmospheric pressure to relative
humidity values in tables 1a, 2a and 3a at a pressure
of 1013 hPa, from dry-bulb readings from 2 deg C to
98 deg C and pressures in hPa, for a wet-bulb
depression of 10 degrees Celsius
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