Справочник Пользователя для Emerson Process Management 3420

Reference, Installation, and Operations Manual

Table of Contents

3-9000-743 Rev S

June 2013

Contents

Contents

Preface

Daniel customer service

Signal words and symbols

Important safety instructions

Notice

Warranty and Limitations

Section 1: Introduction

1.1

Manual overview ............................................................................................. 1

1.2

Definitions, acronyms, abbreviations................................................................ 2

1.3

What’s new .................................................................................................... 5

1.4

Daniel Ultrasonic Meter reference manuals ....................................................... 6

1.5

References ..................................................................................................... 7

Section 2: Product overview

2.1

Description .................................................................................................... 9

2.1.1

Advantages and Features ................................................................................... 10

2.1.2

Mechanical installation requirements................................................................. 11

2.2

Component parts .......................................................................................... 11

2.2.1

Daniel Mark III Ultrasonic Gas Flow Meters assembly .......................................... 12

2.2.2

Model 3400 meter body..................................................................................... 17

2.2.3

Model 3422 meter body..................................................................................... 18

2.2.4

Model 3410 meter body..................................................................................... 19

2.2.5

Model 3420 meter body..................................................................................... 20

2.2.6

Transducers and cabling..................................................................................... 21

2.3

General unit specifications ............................................................................ 22

2.3.1

The application .................................................................................................. 22

2.3.2

Available meter sizes .......................................................................................... 22

2.3.3

Pressure range ................................................................................................... 22

2.3.4

Flow range limits ................................................................................................ 23

2.3.5

Flange types....................................................................................................... 24

2.3.6

Gas temperature range ...................................................................................... 24

2.3.7

Repeatability...................................................................................................... 24

2.3.8

Accuracy limits ................................................................................................... 24