Proline t-mass 65 PROFIBUS DP/PA
Safety instructions
Hauser
5
2
Safety instructions
2.1
Designated use
The measuring device described in these Operating Instructions is to be used only for
measuring the mass flow rate of gases (e. g. kg, Nm
3
sft
3
). At the same time, it also measures
gas temperature. The measuring device can be configured to measure a standard range of
pure gases or gas mixtures.
Examples:
• Air
• Oxygen
• Nitrogen
• Carbon Dioxide
• Argon, etc.
The use with corrosive, saturated or unclean gases should be treated with caution In such
cases, please contact your Hauser sales center for clarification. The use with unsta-
ble gases or gases not deemed to be suitable by Hauser must be avoided. The mea-
suring device is not designed to be used with liquids or fluids in the liquid phase.
Resulting from incorrect use or from use other than that designated, the operational safety
of the measuring devices can be jeopardized. The manufacturer accepts no liability for dam-
ages being produced from this.
2.2
Installation, commissioning and operation
Note the following points:
• Installation, connection to the electricity supply, commissioning, operation and mainte-
nance of the measuring device must be carried out by trained, qualified specialists autho-
rized to perform such work by the facility's owner operator. The specialist must have read
and understood these Operating Instructions and must follow the instructions they con-
tain.
• Hauser is willing to assist in clarifying the chemical resistance properties of parts
wetted by special fluids, including fluids used for cleaning. However small changes in tem-
perature, concentration or the degree of contamination in the process can result in
changes of the chemical resistance properties. Therefore, Hauser can not guar-
antee or accept liability for the chemical resistance properties of the fluid wetted materials
in a specific application. The operator is responsible for the choice of fluid wetted materials
in regards to their in-process resistance to corrosion.
• If carrying out welding work on the piping, the welding unit should not be grounded by
means of the measuring device.
• The installer must ensure that the measuring device is correctly wired in accordance with
the wiring diagrams. The transmitter must be grounded unless special protection mea-
sures have been taken e.g. galvanically isolated power supply SELV or PELV! (SELV = Safe
Extra Low Voltage; PELV = Protective Extra Low Voltage)
• Invariably, local regulations governing the opening and repair of electrical devices apply.
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