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BS 3680-8F:1986

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Measurement of liquid flow in open channels. Measuring instruments and equipment Hydrometric data transmission systems: general
Available format(s)

Hardcopy , PDF

Withdrawn date

10-30-2018

Language(s)

English

Published date

01-31-1986

National foreword
Committees responsible
Method
0. Introduction
1. Scope and field of application
2. References
3. Definitions
4. Units of measurement
5. System description
6. Principles of operation
7. System design and performance criteria
8. System specification
9. Bibliography
Annexes
A. Signal representation
B. Multiplexing
C. System capacity
D. Radio frequencies
Figures
1. Data acquisition system - Functional block diagram
2. Amplitude modulation (AM)
3. Frequency modulation (FM)
4. Pulse duration modulation (PDM)
5. Pulse amplitude modulation (PAM)
6. Pulse code modulation (PCM)
7. Pulse position modulation (PPM)
8. Frequency and time division multiplexing
9. Two-channel information system
10. Effect of white noise on typical signal

General functional requirements for hydrometric telemetry. Defines characteristics of the system required to transmit field data to a receiving station and the minimum processing for subsequent use.

Committee
CPI/113
DevelopmentNote
OBSOLETE - no further requirement for this standard
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Withdrawn

Standards Relationship
ISO 6419-1:1984 Identical

ISO/IEC 646:1991 Information technology ISO 7-bit coded character set for information interchange
ISO 772:1996 Hydrometric determinations — Vocabulary and symbols

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