Safety instructions
VA 550 English V1.21 Page 7 of 53
3 Safety instructions
Please check whether this manual corresponds with the device type.
Please attend to all notes indicated in this instruction manual. It contains essential information,
which has to be followed during installation, operation and maintenance. Therefore this
instruction manual has to be read categorically by the technician as well as by the responsible
user/qualified personnel before installation, initiation and maintenance
Regional and national regulations respectively, have to be observed in addition to this instruction
manual if necessary.
This instruction manual has to be available at any time at the operation site of the VA 550.
Ensure that the VA 550 operates within the permissible and listed limits on the nameplate.
Otherwise there is a risk to human and material, and it may occur functional and operational
disturbances
In case of any obscurities or questions with regard to this manual or the instrument please contact
CS Instruments GmbH..
Warning!
Risk of injury in case of inadequate qualification!
Improper handling can result in significant personal injury and damage.
All activities described in this operating instructions manual must be carried out only by
qualified personnel qualifications described below.
Professionals (Technical staff)
The technical staff is based on his education/training, his knowledge of measurement and control
technology as well of the local regulations, standards and guidelines in the position to do the work as
described and to identify the possible hazards.
Special working conditions require further appropriate knowledge, e.g. of aggressive media.
Caution!
Malfunction of VA 550
Faulty installation and insufficient maintenance may lead to malfunctions of the VA 550 which
may affect the display and open to misinterpretation.
Danger!
Inadmissible operating parameters!
By exceeding or falling short of limits there is a risk for people and material, in addition there may
occur further functional and operational disturbances.
Measures:
• Make sure that the VA 550 operates only within the permissible and listed limits on the nameplate
• Ensure the operation within the performance data of VA 550 in connection with the application
• Do not exceed the admissible storage and transportation temperature.
Additional safety information:
• When installing and operating the relevant national regulations and safety rules must also be
observed.
In gas hazardous areas (explosive media) only the version VA 550 EX must be used.
When using the Flow-/ Consumption sensors VA 550 Ex in gas hazardous areas the special
requirements specified in the Ex documentation must be observed.
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