Emerson 3812 Manuel D’Utilisation

Daniel 3812 Liquid Ultrasonic Flow Meter Installation Manual

Table of Contents

3-9000-765 Rev D

March 2013

Table of Contents

Contents

Daniel customer service ................................................................................... 3

•

Signal words and symbols .............................................................................. 4

•

Important safety instructions ......................................................................... 5

Section 1:

Introduction

1.1

Typical Applications .................................................................................... 1

1.2

Features and benefits .................................................................................. 2

1.3

Acronyms, abbreviations and definitions ....................................................... 3

1.4

Daniel MeterLink software ........................................................................... 6

1.5

Daniel 3812 Liquid Ultrasonic Flow meter design ........................................... 7

1.6

Meter specifications ................................................................................. 14

1.7

Pre-installation considerations ................................................................... 18

1.8

Safety ...................................................................................................... 18

1.9

Daniel 3812 Certifications and Approvals .................................................... 19

1.10

FCC compliance ....................................................................................... 19

Section 2: Mechanical installation

2.1

Meter piping, lifting and mounting ............................................................. 21

2.2

Piping recommendations ........................................................................... 28

2.3

Meter safety for hoist rings and lifting slings ............................................... 32

2.3.1

Use of appropriate safety engineered swivel hoist rings

in meter end flanges .................................................................................... 33

2.3.2

Appropriately rated lifting slings.................................................................. 40

2.4

Mounting requirements in heated or cooled pipelines .................................. 43

Section 3: Electrical installation

3.1

Cable length TTL mode .............................................................................. 45

3.2

Cable length Open Collector mode ............................................................. 45

3.3

Grounding meter electronics housing ......................................................... 46

3.4

Conduit seals ............................................................................................ 47

3.4.1

Startup for systems using explosion-proof conduit ...................................... 48

3.4.2

Startup for systems that use flame-proof cable ........................................... 49

3.5

Wiring and I/O .......................................................................................... 50

3.5.1

CPU Module labeling and LED indicators ..................................................... 51