
CONTENTS
3
www.krohne.com12/2022 - 4004360704 - MA ALTOSONIC 5 en R05
ALTOSONIC 5
1 Safety instructions 6
1.1 Intended use ..................................................................................................................... 6
1.2 Certifications .................................................................................................................... 6
1.3 Safety instructions from the manufacturer ..................................................................... 7
1.3.1 Copyright and data protection ................................................................................................ 7
1.3.2 Disclaimer ............................................................................................................................... 8
1.3.3 Product liability and warranty ................................................................................................ 8
1.3.4 Information concerning the documentation........................................................................... 8
1.3.5 Warnings and symbols used................................................................................................... 9
1.3.6 Manufacturer ........................................................................................................................ 10
1.4 Safety instructions for the operator............................................................................... 10
2 Device description 11
2.1 Scope of delivery............................................................................................................. 11
2.2 General device description............................................................................................. 12
2.2.1 Flow sensor........................................................................................................................... 12
2.2.2 The signal converter ............................................................................................................. 13
2.2.3 Cable glands and cables....................................................................................................... 14
2.2.4 Monitoring, Configuration and Diagnostic tool..................................................................... 14
2.3 Explosion safety approval standards and markings...................................................... 15
2.3.1 Approvals .............................................................................................................................. 15
2.3.2 Standards .............................................................................................................................. 16
2.3.3 Flow sensor markings .......................................................................................................... 17
2.3.4 Signal converter markings ................................................................................................... 19
2.4 Nameplates .................................................................................................................... 20
3 Mechanical installation 22
3.1 Notes on installation ...................................................................................................... 22
3.2 Storage ........................................................................................................................... 22
3.3 Transport ........................................................................................................................ 23
3.4 Pre-installation requirements ....................................................................................... 23
3.5 Installation...................................................................................................................... 24
3.5.1 Electrostatic charge.............................................................................................................. 24
3.5.2 Mounting position.................................................................................................................. 24
3.5.3 Pipe diameters...................................................................................................................... 25
3.5.4 Flow conditioners.................................................................................................................. 25
3.5.5 Inlet and outlet...................................................................................................................... 25
3.5.6 Mounting position.................................................................................................................. 26
3.5.7 Support of the flow sensor.................................................................................................... 27
3.5.8 Flange deviation.................................................................................................................... 27
3.5.9 Special considerations.......................................................................................................... 28
3.5.10 Air venting ........................................................................................................................... 29
3.5.11 Pressure and temperature sensors ................................................................................... 29
3.6 Backpressure ................................................................................................................. 30
3.6.1 Open discharge ..................................................................................................................... 32
3.6.2 Control valve ......................................................................................................................... 32
3.6.3 Pump ..................................................................................................................................... 33
3.7 Meteorological conditions.............................................................................................. 33