TESTO 6448 User manual
testo 6448 · Compressed air counter probe
Instruction manual
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1 Contents
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1Contents
1Contents...................................................................................................3
2Safety and the environment....................................................................5
2.1. About this document........................................................................5
2.2. Safety..............................................................................................5
2.3. Protecting the environment..............................................................7
3Specifications ..........................................................................................8
3.1. Use..................................................................................................8
3.2. Overview..........................................................................................9
3.3. Technical data...............................................................................10
3.3.1. Dimensions for the compressed air bar probe (mm) ......................................10
3.3.2. Technical data for the compressed air bar probe...........................................11
3.3.3. Description & technical data - accessories/service.........................................14
3.3.3.1. Tapping clamp.................................................................................14
3.3.3.2. Ball valve.........................................................................................15
3.3.3.3. Measurement fitting including ball valve ..........................................15
3.3.3.4. Drill unit ...........................................................................................16
3.3.3.5. Connecting cable.............................................................................16
3.3.3.6. Parameterisation/calibration:...........................................................16
4Initial operation......................................................................................17
4.1. Mechanical assembly....................................................................17
4.1.1. Preparation....................................................................................................17
4.1.2. Assembly of the clamp...................................................................................20
4.1.3. Assembly of the measurement fitting/ball valve .............................................21
4.1.4. Checking the clamp leak-tightness.................................................................22
4.1.5. Drilling holes in a compressed air line............................................................22
4.1.6. Assembly of the PBCOver reverse running protection unit.............................23
4.2. Electrical connection......................................................................24
5Operation................................................................................................27
5.1. Operation and display elements....................................................27
5.1.1. Types of operation.........................................................................................28
5.1.2. Menu overview...............................................................................................30
5.1.3. Programming.................................................................................................31
5.1.4. Adjustable parameters...................................................................................32
5.1.5. Setting the preset counter / pulse value (ImPS).............................................38
6Cleaning the sensor ..............................................................................43
6.1. Cleaning agents.............................................................................43
2 Safety and the environment
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6.2. Calibration.....................................................................................43
7Troubleshooting....................................................................................44
7.1. Replacing damaged parts.............................................................44
7.2. Replacing O-rings and seal rings..................................................44
7.3. Error messages.............................................................................44
2 Safety and the environment
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2Safety and the environment
2.1. About this document
Symbols and writing standards
The following characters and symbols are used in this instruction
manual to emphasise text passages that need special attention.
Symbol Explanation
Notes
This arrow points out specifics that must be
observed during operation.
Caution!
This symbol indicates text passages which, if not
complied with or not followed specifically, may
lead to the damage or destruction of system
parts.
Warning!
This symbol is placed in front of text passages
which may be hazardous to one’s health or life if
not complied with.
The symbol points out further information in
other manuals, chapters or sections.
Menu Elements of the instrument, the instrument
display or the program interface.
[OK] Control keys of the instrument or buttons of the
program interface.
2.2. Safety
The compressed air counter was built and checked reliably
according to state-of-the-art technology and left the factory in an
appropriately safe condition.
As the user, you are responsible for the compliance with all valid
safety regulations, including:
• Installation specifications
• Local standards and regulations
2 Safety and the environment
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The manufacturer has undertaken all necessary measures to
ensure safe operation. The user must ensure that the instruments
are set up and installed in such a way that their safe use is not
affected.
The instruments are factory-tested and were delivered in a safe
condition.
These operating instructions contain information and warnings that
must be followed by the user in order to ensure safe operation.
• Assembly, commissioning, operation and maintenance of the
measuring unit may only be performed by trained authorised
personnel. The personnel must be authorised for the specified
tasks by the system operator.
• The authorised personnel must have read and understood
these operating instructions, and must comply with the
directions contained herein.
• Check that all connections are correct before commissioning
the complete measuring point.
• Do not commission damaged products and keep these from
being inadvertently commissioned. Mark the damaged products
as defective.
• Faults at the measuring point may only be corrected by
authorised and specially trained personnel.
• If faults cannot be corrected, the products must be taken out of
operation and secured from inadvertent commissioning.
• Repairs that are not described in these operating instructions
may only be carried out directly by the manufacturer or by the
service organisation.
2 Safety and the environment
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Exclusion of liability
Liability of the manufacturer and its assistants exists only in the
event of deliberate acts or gross negligence. The extent of liability
is limited to the value of the respective order placed with the
manufacturer.
The manufacturer accepts no liability for damages that occur due to
non-observance of the safety instructions or non-compliance with
the instruction manual or the operating conditions. Consequential
damages are excluded from the liability.
Use
• Please read this documentation through carefully and
familiarize yourself with the product before putting it to use. Pay
particular attention to the safety instructions and warning advice
in order to prevent injuries and damage to the products.
• Keep this document to hand so that you can refer to it when
necessary.
• Hand this documentation on to any subsequent users of the
product.
2.3. Protecting the environment
• At the end of its useful life, send the product to the separate
collection for electric and electronic devices (observe local
regulations) or return the product to Testo for disposal.
3 Specifications
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3Specifications
3.1. Use
The compressed air counter is intended exclusively for use in pipe
systems for working compressed air, provided that the calibration
certificate does not explicitly allow use with other gases.
Its design means that it can be operated in pressurised systems up
to PN16 and with a tapping clamp from DN250 up to PN10.
Use which deviates from that described endangers the safety of
people and of all the measuring equipment and is thus not
permissible.
The manufacturer accepts no liability for damages that occur as
a result of improper or inappropriate use or installation.
To avoid damage to the instrument or health hazards, no
manipulation using tools may occur on the measuring units unless
expressly defined in this operating manual.
During operation, the sensors may only be changed by authorised
personnel.
To ensure the safety of the user and the functionality of the
instruments, the commissioning steps, checks and maintenance
work recommended by the manufacturer are to be complied with
and carried out.
These instructions do not contain complete detailed information for
the sake of transparency.
Should you require further information or should a specific problem
occur that is not comprehensively handled in the instructions, you
can request the required information directly from the manufacturer.
3 Specifications
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3.2. Overview
1 Tapping clamp (optional)
2 Measurement fitting with quick-release coupling (optional)
3 PBCOver reverse running protection
4 Compressed air bar probe
5 Drilling tool (optional)
3 Specifications
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3.3. Technical data
3.3.1. Dimensions for the compressed air bar probe (mm)
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