BS 3680-9A:1971
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Methods of measurement of liquid flow in open channels. Water level instruments Specification for the installation and performance of pressure actuated liquid level measuring equipment
Hardcopy , PDF
15-09-2000
English
30-07-1971
Cooperating organizations
Foreword
Specification
1. General
1.1 Scope
1.2 Terminology
2. Direct operated pressure gauge level meter
3. Bubbler-type level meter
3.1 Description
3.2 Installation requirements
3.3 Gas supply
3.4 Accuracy
4. Pressure bulb level meter
4.1 Description
4.2 Installation
4.3 Uncertainty of measurement
5. Indicating and recording instruments
5.1 General
6. Choice of meter
Tables
1. Accuracy of measurements of head as a percentage
of actual head
2. The relation between the diameter of connecting
tubing and bulb diameter
Figures
1. Pressure gauge type level meter
2. Bubbler-type level meter for corrosive liquids,
non-corrosive liquids and liquids with solids in
suspension
3. Pressure bulb type level meter
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