KROHNE OPTIMASS 7400C User Manual

CONTENTS
2
www.krohne.com 10/2022 - 4003491806- AD OPTIMASS 400 Atex R06 en
OPTIMASS / 400
1 Introduction 4
1.1 Scope of the document..................................................................................................... 4
1.2 General ............................................................................................................................. 4
1.3 Standards compliance...................................................................................................... 5
1.4 Hazardous areas approvals.............................................................................................. 5
1.5 Ex markings...................................................................................................................... 6
1.6 Identification of OPTIMASS flowmeter systems .............................................................. 6
1.7 Flow sensor VE code........................................................................................................ 7
1.8 Flow converter VE code.................................................................................................... 8
1.9 Nameplates ...................................................................................................................... 9
1.10 Warnings and symbols used ........................................................................................ 10
2 Special Conditions 11
2.1 Separation Elements...................................................................................................... 11
2.2 Equipotential bonding..................................................................................................... 11
2.3 Electrostatic charge ....................................................................................................... 11
2.4 Converter orientation (compact version) ....................................................................... 12
2.5 Temperature limits......................................................................................................... 12
2.5.1 Introduction........................................................................................................................... 12
2.5.2 Heating jacket / insulation.................................................................................................... 12
2.5.3 Compact configuration.......................................................................................................... 12
2.5.4 MFC 400F converter.............................................................................................................. 13
2.5.5 OPTIMASS 1000F / 1400C .................................................................................................... 14
2.5.6 OPTIMASS 2000F / 2400C .................................................................................................... 15
2.5.7 OPTIMASS 3000F / 3400C .................................................................................................... 16
2.5.8 OPTIMASS 6000F / 6400C +150°C........................................................................................ 18
2.5.9 OPTIMASS 6000F / 6400C +230°C........................................................................................ 20
2.5.10 OPTIMASS 6000F / 6400C cryogenic.................................................................................. 22
2.5.11 OPTIMASS 6000F / 6400C cryogenic short stem............................................................... 24
2.5.12 OPTIMASS 6000F / 6400C +400°C...................................................................................... 25
2.5.13 OPTIMASS 7000F / 7400C .................................................................................................. 26
2.5.14 Painted options ................................................................................................................... 28
2.6 Electronics compartment............................................................................................... 28
2.7 Certified cable glands..................................................................................................... 29
2.8 Cable protection ............................................................................................................. 29
2.9 Aluminium junction box.................................................................................................. 29
3 Electrical connections 30
3.1 Remote / field terminal connections.............................................................................. 30
3.1.1 Separated systems ............................................................................................................... 31
3.1.2 Cable parameters ................................................................................................................. 31
3.2 Electronics and I/O terminal compartments ................................................................. 32
3.2.1 I/O terminal compartment.................................................................................................... 32
3.2.2 Converter VE code for I / O options....................................................................................... 33
3.2.3 Converter VE code I / O overviews........................................................................................ 34

KROHNE OPTIMASS 7400C Specifications

General

Brand	KROHNE
Model	OPTIMASS 7400C
Category	Accessories
Language	English