Ashcroft N5500 Manuel d'instructions pour l'installation et l'entretien - Page 4
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2 Safety
2.1 General sources of hazards
Pressure gauges are pressurized parts where failure can result in hazardous situations. The selection of pressure
gauge should be made in accordance with the rules set out in EN
2.2 Use in accordance with intended purpose
The devices are only to be used for the intended purpose as described by the manufacturer.
The devices are used for direct display of overpressures, vacuum and compound pressure.
For each use scenario, the corresponding set-up regulations must be respected.
The usage in explosion risk areas is not allowed.
2.3 Operator's responsibility
Safety instructions for proper operation of the device must be respected. They are to be provided by the operator for
use by the respective personnel for installation, servicing, inspection and operation. Risks from electrical energy and
from the released energy of the medium, from escaping media and from improper connection of the device must be
eliminated. The details for this are to be found in the corresponding applicable set of regulations, such as DIN EN,
UVV (accident prevention regulations) and in sector-specific instances of use (DVWG, Ex-. GL, etc.) the VDE
guidelines and the regulations supplied by local utilities companies.
The device must be taken out of service and secured against inadvertently being restarted, if the presumption is that
risk-free operation is no longer possible (see Chapter 9: Faults).
Conversion works or other technical alterations to the device by the customer are not permitted. This also applies to
installation of spare parts. Possible conversations or alterations may only be carried out by the manufacturer.
The operational safety of the device is only guaranteed where it is used for its intended purpose. The specification of
the device must be adapted to the medium used in the plant. The limit values indicated in the technical data must not
be exceeded.
The safety information detailed in this Operating Manual, existing national regulations for accident prevention, and the
operator's internal regulations regarding working, operations and safety must be respected.
The operator is responsible for all specified servicing, inspection and installation works being carried out by authorized
and qualified specialists.
2.4 Staff qualifications (target group assessment)
The device may only be installed and started up by specialist staff who are familiar with installation, start-up and
operation of the product.
Specialist staff are people who are able to assess the work assigned to them on the basis of their specialist training,
their knowledge and experience and their knowledge of the relevant standards, and can identify possible risks.
2.5 Signs/Safety markings
The pressure gauge and its surrounding packaging carry markings. These markings show the article number,
measurement range and manufacturer. The pressure gauge can be provided with additional signs and safety markings
advising on special conditions:
Advice on the filling liquid
Advice on calibration
Safety marking pursuant to EN 837-3
Silicone-free (for use in the automotive industry)
2.6 Safety equipment
This device is fitted with a rear wall or plug capable of being blown out. For a description, please refer to Chapter
6.3.4.
The window of model N5500 uses instrument glass (optional multi-layer safety glass).
2.7 Environmental protection
837-2.
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