Proline Prosonic Flow 91W Safety instructions
Endress+Hauser
3
1 Safety instructions
1.1 Designated use
• The measuring device described in these Operating Instructions is to be used only for
measuring the flow rate of liquids in closed pipes, e.g.:
– Ultrapure water with low conductivity
– water, wastewater etc.
• As well as measuring the volume flow, the sound velocity of
the fluid is also always measured.
Different fluids can be distinguished or the fluid quality can be monitored.
• Any use other than that described here compromises the safety of persons and the entire
measuring system and is, therefore, not permitted.
• The manufacturer is not liable for damage caused by improper or non-designated use.
1.2 Installation, commissioning and operation
• The measuring device must only be installed, connected, commissioned and maintained by
qualified and authorized specialists (e.g. electrical technicians) in full compliance with the
instructions in these Brief Operating Instructions, the applicable norms, legal regulations and
certificates (depending on the application).
• The specialists must have read and understood th
ese Brief Operating Instructions and must
follow the instructions they contain. If you are unclear on anything in these Brief Operating
Instructions, you must read the Operating Instructions (on the CD-ROM). The Operating
Instructions provide detailed information on the measuring device.
• The measuring device may only be modified if s
uch work is expressly permitted in the
Operating Instructions (on the CD-ROM).
• Repairs may only be performed if
a genuine spare parts kit is available and this repair work is
expressly permitted.
• If performing welding work on the piping, the welding unit may not be grounded by means
of the measuring device.
1.3 Operational safety
• The measuring device is designed to meet state-of-the-art safety requirements, has been
tested, and left the factory in a condition in which it is safe to operate. Relevant regulations
and standards have been observed.
• The manufacturer reserves the right to modify technical data without prior notice. Your
End
ress+Hauser distributor will supply you with current information and updates to these
Operating Instructions.
• The information on the warning notices, nameplates
and connection diagrams affixed to the
device must be observed. These contain important data on the permitted operating conditions,
the range of application of the device and information on the materials used.
• If the device is not used at atmospheric temperatures, complianc
e with the relevant marginal
conditions as specified in the device documentation supplied (on CD-ROM) is mandatory.
• Observe the technical data on the nameplate.
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