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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Schedule for hygrometric tables for use in the testing and operation of environmental enclosures
Hardcopy , PDF
English
30-09-1986
31-07-2009
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
Contains tables and equations for the determination of relative humidity and dew point from the readings of a forced-ventilated wet- and dry-bulb hygrometer or aspirated psychrometer over the range of dry-bulb temperatures from 1°C to 99°C at 1013 hPa.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes BS 4833(1972) & 85/50496 DC. (07/2005)
|
| DocumentType |
Standard
|
| Pages |
62
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 1339:1965 | Definitions, formulae and constants relating to the humidity of the air |
| BS 3718:1964 | Specification for laboratory humidity ovens (non-injection type) |
| BS 4864:1973 | Recommendations on the design and testing of enclosures for environmental testing |
| BS 3898:1965 | Specification for laboratory humidity ovens (injection type) |
| BS 4194:1967 | Recommendations on the design requirements and testing of controlled-atmosphere laboratories |
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