Installation
Proline Promass F 300 EtherNet/IP
28
Heating options
If a fluid requires that no heat loss should occur at the sensor, users can avail of the
following heating options:
• Electrical heating, e.g. with electric band heaters
• Via pipes carrying hot water or steam
• Via heating jackets
Using an electrical trace heating system
If heating is regulated via phase angle control or pulse packages, magnetic fields can affect
the measured values (= for values that are greater than the values permitted by the EN
standard (sine 30 A/m)).
For this reason, the sensor must be magnetically shielded: the housing can be shielded
with tin plates or electric sheets without a privileged direction (e.g. V330-35A).
The sheet must have the following properties:
• Relative magnetic permeability µr ≥ 300
• Plate thickness d ≥ 0.35 mm (d ≥ 0.014 in)
Vibrations
The high oscillation frequency of the measuring tubes ensures that the correct operation of
the measuring system is not influenced by plant vibrations.
6.1.3
Special mounting instructions
Rupture disk
Information that is relevant to the process: → 241.
L
WARNING
Limited functional reliability of the rupture disk.
Danger to persons from escaping fluids!
‣
Do not remove the rupture disk.
‣
When using a rupture disk, do not use a heating jacket.
‣
Make sure that the function and operation of the rupture disk is not impeded through
the installation of the device.
‣
Take precautions to prevent damage and danger to persons if the rupture disk is
actuated.
‣
Observe information on the rupture disk sticker.
The position of the rupture disk is indicated on a sticker beside it.
The transportation guard must be removed.
For information on the dimensions: see the "Mechanical construction" section
The existing connecting nozzles are not intended for the purpose of rinsing or pressure
monitoring, but instead serve as the mounting location for the rupture disk.
In the event of a failure of the rupture disk, a discharge device can be screwed onto the
internal thread of the rupture disk in order to drain off any escaping medium.
