Safety instructions Proline Promass 83
4 Endress+Hauser
• The measuring device must be wired in accordance with the wiring diagrams and connection
labels. Interconnecting must be permitted.
• All parts of the measuring device must be integrated into the potential matching system of the
plant.
• The cables, tested cable glands and tested dummy plugs must suit the prevailing operating
conditions, e.g. the temperature range of the process. Housing openings that are not used
need to be sealed with dummy plugs.
• The measuring device can only be used in conjunction with fluids to which all the wetted
parts of the measuring device are adequately resistant. With regard to special fluids, including
fluids used for cleaning, Endress+Hauser will be happy to assist in clarifying the
corrosion-resistant properties of wetted materials. However, minor changes in temperature,
concentration or in the degree of contamination in the process may result in variations in
corrosion resistance. For this reason, Endress+Hauser does not accept any responsibility with
regard to the corrosion resistance of wetted materials in a specific application. The user is
responsible for the choice of suitable wetted materials in the process.
• When hot fluid passes through the measuring tube, the surface temperature of the housing
increases. In the case of the sensor, in particular, users should expect temperatures that can
be close to the fluid temperature. If the temperature of the fluid is high, implement sufficient
measures to prevent burning or scalding.
• Hazardous areas
Measuring devices for use in hazardous areas are labeled accordingly on the nameplate.
Relevant national regulations must be observed when operating the device in hazardous areas.
• Hygienic applications
Measuring devices for hygienic applications have their own special labeling. Relevant national
regulations must be observed when using these devices.
• Pressure instruments
With the identification PED/G1/III on the sensor nameplate, Endress+Hauser confirms
conformity with the "Basic safety requirements" of Appendix I of the Pressure Equipment
Directive 97/23/EC. Devices without this identification (without PED) are designed and
manufactured according to good engineering practice.
• Endress+Hauser will be happy to assist in clarifying any questions on approvals, their
application and implementation.
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