KROHNE OPTISWITCH-52x0C User Manual
Operating Instructions
Lock fitting ARV 60
up to 16 bar for OPTISWITCH 5200 C,
5250 C
Contents
Contents
1 About this document
1.1 Function .............................
1.2 Target group ..........................
1.3 Symbolism used .......................
2 For your safety
2.1 Authorised personnel....................
2.2 Appropriate use........................
2.3 Warning about misuse ...................
2.4 General safety instructions ................
3 Product description
3.1 Configuration..........................
3.2 Principle of operation ....................
3.3 Storage and transport ...................
4 Mounting
4.1 General instructions.....................
4.2 Mounting procedure.....................
5 Maintenance and fault rectification
5.1 Maintenance ..........................
5.2 Exchange seals........................
5.3 Instrument repair .......................
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4
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5
5
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6
6
6
7
7
10
10
11
6 Dismounting
6.1 Dismounting procedure ..................
6.2 Disposal .............................
7 Supplement
7.1 Technical data.........................
7.2 Dimensions ...........................
2 Lock fitting ARV 60 - up to 16 bar for OPTISWITCH 5200
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30922-EN-050704
About this document
1 About this document
1.1 Function
This operating instructions manual has all the information you
need for quick setup and safe operation of ARV 60. Please
read this manual before you start setup.
1.2 Target group
This operating instructions manual is directed to trained
personnel. The contents of this manual should be made
available to these personnel and put into practice by them.
1.3 Symbolism used
Information, tip, note
This symbol indicates helpful additional information.
Caution, warning, danger
This symbol informs you of a dangerous situation that could
occur. Ignoring this cautionary note can impair the person and/
or the instrument.
Ex applications
This symbol indicates special instructions for Ex applications.
l List
The dot set in front indicates a list with no implied sequence.
à Action
This arrow indicates a single action.
1 Sequence
Numbers set in front indicate successive steps in a procedure.
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Lock fitting ARV 60 - up to 16 bar for OPTISWITCH 5200 3
For your safety
2 For your safety
2.1 Authorised personnel
All operations described in this operating instructions manual
must be carried out only by trained, specialised personnel
authorised by the operator. For safety and warranty reasons,
any internal work on the instruments must be carried out only
by personnel authorised by the manufacturer.
2.2 Appropriate use
ARV 60 is used for for infinite locking with tube extension.
Detailed information on the application range of ARV 60 is
available in chapter Product description.
2.3 Warning about misuse
Inappropriate or incorrect use of the instrument can give rise to
application-specific hazards, e.g. vessel overfill or damage to
system components through incorrect mounting or adjustment.
2.4 General safety instructions
ARV 60 is a high-tech instrument requiring the strict
observance of standard regulations and guidelines. The user
must take note of the safety instructions in this operating
instructions manual, the country-specific installation standards
(e.g. the VDE regulations in Germany) as well as all prevailing
safety regulations and accident prevention rules.
4 Lock fitting ARV 60 - up to 16 bar for OPTISWITCH 5200
30922-EN-050704
3 Product description
3.1 Configuration
Product description
Scope of delivery
Area of application
Physical principle
The scope of delivery encompasses:
l Lock fitting ARV 60 for OPTISWITCH 5200 C, 5250 C
vibrating level switch
l Documentation
- this operating instructions manual
3.2 Principle of operation
ARV 60 is a pressure-tight threaded fitting up to 16 bar
(232 psi) and can be used together with a level sensor in tube
version (OPTISWITCH 5200 C, 5250 C). The tube version of
the sensor must have a diameter of 21,3 mm (ø 0,84 in).
ARV 60 cannot be used in coated tubes.
The wetted parts of the ARV 60 are made of steel (316L).
With the lock fittings, sensors with tube extension can be fixed
infinitely.
The pressure screw of the lock fitting compresses a graphite
gasket consisting of three rings axially which is then pressed
radially to the tube of the sensor. If mounted correctly, the
graphite gasket encircles the tube tightly. The clamp protects
the tube against sliding through. A locking bracket protects the
terminal screws of the clamp against unauthorised or
unintentional loosening.
3.3 Storage and transport
Packaging
Storage and transport tempe-
rature
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Lock fitting ARV 60 - up to 16 bar for OPTISWITCH 5200 5
Your instrument was protected by packaging during transport.
Its capacity to handle normal loads during transport is assured
by a test acc. to DIN EN 24180.
The packaging of standard instruments consists of environ-
ment-friendly, recyclable cardboard. For special versions, PE
foam or PE foil is also used. Dispose of the packaging material
via specialised recycling companies.
l Storage and transport temperature see "Supplement –
Technical data – Ambient conditions"
l Relative humidity 20 … 85 %
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