USGS

Calibration and Maintenance of Vertical-Axis Type Current Meters

U.S. Geological Survey, Techniques of Water-Resources Investigations, Book 8, Chapter 2

By George F. Smoot and Charles E. Novak


Table of Contents

Preface

Symbols and units

Abstract

Introduction

Description of the small Price current meter

Yoke

Tailpiece

Bucket wheel

Bucket-wheel hub

Shaft

Pivot

Pivot bearing

Penta gear

Contact chamber

Binding posts

Calibration of current meters

Assembly and disassembly of the small Price current meter

Assembly

Disassembly

Inspection and repair of current meters

Rotor and shaft alinement

Sprung yoke

Damaged cups

Damaged tailpiece

Contact chamber

Pivot and bearings

Lubrication

Spin tests

Routine cleaning and oiling of current meters

Low-velocity Price meter

Pygmy current meter

Ice meters

Selected references

 


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