Customer Support: 131 242

  • There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

BS 2520:1983

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Specification for barometer conventions and tables, their application and use

Available format(s)

Hardcopy , PDF

Withdrawn date

02-08-2013

Language(s)

English

Published date

31-08-1983

$520.16
Including GST where applicable

Foreword
Committees responsible
Section one. General and barometric conventions
1. Scope
2. Pressure units
3. Conditions of mercury barometers
3.1 Standard conditions for general-purpose mercury
       barometers
3.2 Non-standard conditions for special-purpose
       mercury barometers
4. Application of conventions
Section two. Barometer tables
5. Categories of barometer covered
5.1 General
5.2 Fortin category
5.3 Kew category
6. Purpose and basis of tables
6.1 General
6.2 Interconversion of barometer pressure units
6.3 Correction of barometer readings to standard
       conditions
6.3.1 General
6.3.2 Correction to 0 deg C
6.3.3 Correction to standard gravity of 9.806 65 m/s(2)
6.4 Conversion of pressure reading from barometer
       level to another level
Appendices
A. Examples of the correction of barometer readings
A.1 Barometer measuring ambient pressure
A.2 Barometer measuring artificial pressure
A.3 Use of the tables to obtain the readings of
       a mercury barometer used in an airtight system
       at an ICAO pressure corresponding to a given
       altitude
B. History and advantages of the conventions
C. Testing of barometers
D. Information regarding the conventions
D.1 Relationships connecting the pressure units
D.2 Relationships connecting scales
D.3 Change from pre-1954 conventions to present
       standard conventions
Tables
Interconversion of barometric pressure units
1. Kilopascals and hectopascals (millibars) to
     millimetres of mercury and inches of mercury
2. Millimetres of mercury to kilopascals, hectopascals
     (millibars) and inches of mercury
3. Inches of mercury to kilopascals, hectopascals
     (millibars) and millimetres of mercury
Correction of barometer readings to standard temperature
(0 deg C)
4. Hectopascal (millibar) and millimetre-of-mercury
     Fortin barometers. Long-range table
5. Hectopascal (millibar) and millimetre-of-mercury
     Fortin barometers. Short-range table
6. Inch-of-mercury Fortin barometers. Long-range table
7. Inch-of-mercury Fortin barometers. Short-range table
8. Hectopascal (millibar) Kew barometers (MO pattern)
9. Millimetre-of-mercury Kew barometers (MO pattern)
10. Inch-of-mercury Kew barometers (MO pattern
11. Kew barometers for which V/A = 100 mm: correction
     additional to the Fortin correction
Correction of barometer readings to standard gravity
(9.806 65 m/s(2)) for latitude variation
12. All hectopascal (millibar) and millimetre-of-mercury
     barometers. Long-range table
13. All hectopascal (millibar) and millimetre-of-mercury
     barometers. Short-range table
14. All inch-of-mercury barometers. Long-range table
15. All inch-of-mercury barometers. Short-range table
Correction of mercury barometer readings to standard
gravity (9.806 65 m/s(2)) for altitude variation
16. Correction for height, in metres, above mean sea
     level
17. Correction for height, in feet, above mean sea level
Conversion of pressure reading from barometer level to
another level
18. All mercury barometers. Pressure difference per
     metre and per foot of vertical distance between
     barometer cistern and level in same building at
     which the pressure is required
Pressure units
19. Conversion factors for pressure units
20. Difference in scale reading caused by change from
     obsolete to present conventions

Specifies the conventions used for expressing barometric pressure, gives the standard conditions for all types of mercury barometer and provides comprehensive correction for routine aviation and meteorological applications with explanatory notes.

Committee
SS/7
DevelopmentNote
Supersedes 81/88010 DC (06/2005) Inactive for the new design. (09/2008)
DocumentType
Standard
Pages
38
PublisherName
British Standards Institution
Status
Withdrawn
Supersedes

DEFSTAN 68-224/1(1993) : 1993
BS 658:1989 Specification for apparatus for the determination of distillation range (including flasks and receivers)
BS 350:2004 Conversion factors for units
BS 2G 113:1956 Specification for manifold pressure gauges for aircraft
BS 3986-1:1998 Methods of test for drying performance of agricultural grain dryers General procedures and limited requirements for wheat
BS 2G 201:1996 Specification for counter and pointer pressure altimeters

BS 5775-0:1982 Specification for quantities, units and symbols General principles
BS 0-3:1981 Guide. A standard for standards Drafting and presentation of British Standards
BS 2G 115:1956 Specification for sensitive altimeters for aircraft
BS 5555:1981 Specification for SI units and recommendations for the use of their multiples and of certain other units
BS 5233(1983) : LATEST

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.

Need help?
Call us on 131 242, then click here to start a Screen Sharing session
so we can help right away! Learn more