Daniel 3818 LNG Liquid Ultrasonic Meter Installation Manual

Table of Contents

3-9000-771 Rev A

May 2012

 

 

 

Contents

Important Safety Instructions

Section 1:

Introduction

 

1.1

Typical

Applications ....................................................................................

1

1.2

Features and benefits: .................................................................................

1

1.3

Acronyms, abbreviations and definitions .......................................................

2

1.4

Daniel MeterLink software ...........................................................................

5

1.5

3818 LNG Liquid Ultrasonic Flow Meter design ..............................................

6

1.6

Meter specifications ....................................................................................

8

1.7

Pre-installation considerations ...................................................................

11

1.8

Safety

......................................................................................................

11

1.9

Certifications and approvals .......................................................................

12

1.10

FCC compliance .......................................................................................

13

Section 2: Mechanical installation

 

2.1

Meter piping, lifting and mounting .............................................................

15

2.2

Meter components ....................................................................................

17

2.3

Piping recommendations ...........................................................................

18

2.4

Field hydrostatic pressure testing ...............................................................

21

2.5

Meter safety for hoist rings and lifting slings ...............................................

22

 

2.5.1 Use of appropriate safety engineered swivel hoist rings

 

 

 

in meter end flanges .......................................................................................

23

 

2.5.2 Appropriately rated lifting slings .....................................................................

28

2.6

Mounting requirements in Liquefied Natural Gas pipelines ...........................

31

Section 3: Electrical installation

 

3.1

Cable length TTL mode ..............................................................................

35

3.2

Cable length Open Collector mode .............................................................

35

3.3

Grounding meter electronics .....................................................................

36

3.4

Conduit seals ............................................................................................

38

 

3.4.1 Startup for systems using explosion-proof conduit .........................................

39

 

3.4.2 Startup for systems that use flame-proof cable ...............................................

40

3.5

Wiring and I/O ..........................................................................................

41

 

3.5.1

CPU Module labeling and LED indicators.........................................................

42

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