Proline t-mass 65 Safety instructions
Endress+Hauser
3
1 Safety instructions
1.1 Designated use
• The measuring device works based on the thermal measuring principle and is to be used
exclusively for measuring the mass flow of gases (e.g. kg, Nm
3
, Scf).
• The measuring device can be configured to measure pure gases (e.g. oxygen, nitrogen, carbon
dioxide, argon etc.) or gas mixtures (e.g. natural gas).
• 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 these 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 should only installed in a de-energized state free from outside loads or
strain.
• The measuring device may only be modified if such 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 European standards have been observed.
• The manufacturer reserves the right to modify technical data without prior notice. Your
Endress+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, compliance with the relevant marginal
conditions as specified in the device documentation supplied (on CD-ROM) is mandatory.
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