Endress+Hauser Proline Promag H 100 EtherNet/IP, Краткое руководство по эксплуатации

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Proline Promag H 100 Installation
Hauser 21
Cleaning with pigs
It is essential to take the internal diameters of the measuring tube and process connection
into account when cleaning with pigs. All the dimensions and lengths of the sensor and
transmitter are provided in the separate "Technical Information" document.
Mounting the seals
Comply with the following instructions when installing seals:
• When mounting the process connections, make sure that the seals concerned are clean and
centered correctly.
• In the case of metal process connections, the screws must be tightened securely. The
process connection forms a metal connection with the sensor, which ensures a defined
compression of the seal.
• In the case of plastic process connections, comply with the max. screw tightening torques
for lubricated threads: 7 Nm (5.2 lbf ft). In the case of plastic flanges, always insert a seal
between the connection and the counterflange.
• Depending on the application the seals should be replaced periodically, particularly if
molded seals are used (aseptic version)! The interval between changes depends on the
frequency of the cleaning cycles, the cleaning temperature and the medium temperature.
Replacement seals can be ordered as an accessory .
Mounting grounding rings (DN 2 to 25 (1/12 to 1"))
Pay attention to the information on potential equalization (→  29).
In the case of plastic process connections (e.g. flange connections or adhesive fittings),
additional ground rings must be used to ensure the potential between the sensor and fluid is
matched. If grounding rings are not installed, this can affect the measuring accuracy or cause
the destruction of the sensor as a result of the electrochemical decomposition of the
electrodes.
• Depending on the option ordered, plastic disks are used instead of grounding rings on
some process connections. These plastic disks only act as "spacers" and do not have any
potential matching function. Furthermore, they also perform a significant sealing
function at the sensor/process connection interface. Therefore, in the case of process
connections without metal grounding rings, these plastic disks/seals should never be
removed and should always be installed!
• Grounding rings can be ordered separately as an accessory from Hauser .
When ordering make sure that the grounding rings are compatible with the material
used for the electrodes, as otherwise there is the danger that the electrodes could be
destroyed by electrochemical corrosion!
• Grounding rings, including seals, are mounted inside the process connections.
Therefore the installation length is not affected.