BS 3680-9B:1981
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Methods of measurement of liquid flow in open channels. Water level instruments Float-operated water level recorders (mechanical and electromechanical)
Hardcopy , PDF
15-09-2000
English
31-12-1981
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Foreword
Cooperating organizations
Specification
1. Scope
2. References
3. Definitions
4. Environment
5. Instrument construction
6. Recording medium and stylus (analogue recorders)
7. Recording medium and punch head or write head
(digital recorders)
8. Timing mechanism
9. Height element
10. Power source
11. Marking
12. Operating manual
Appendices
A. Examples of data formats
B. Stilling wells and intakes
Figures
1. Tape format for 16-channel binary decimal code
2. Tape format for 5-channel Ferranti/ITT code
3. Tape format for 8-channel ASC11/ISO code
4. Coefficient of total skin drag
Gives the functional requirements of instruments for the recording of water levels in an open channel or of a water surface such as a lake or reservoir. An appendix gives examples of recorded data formats.
| Committee |
CPI/113
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy |
| BS 6316:1992 | Code of Practice for test pumping of water wells |
| BS 6316:1983 | Code of practice for test pumping water wells |
| BS 3880-1:1971 | Specification for paper tape for data processing Unpunched paper tape |
| BS 3680-1:1983 | Measurement of liquid flow in open channels. Glossary of terms |
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