Aplisens SGE-25S User Manual - Page 10
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EN.IO.SGE
7.
ELECTRICAL CONNECTION
7.1. Cable connection
All connection and assembly activities must be performed with the power supply
disconnected and other external voltages, if used.
Incorrect connection of the probe may endanger safety.
Risk of electric shock and / or ignition in hazardous areas.
Make the electrical connection in accordance with the diagram in fig. 3 or 4. If the transmission line
is run in an open space, to remote rooms, it is recommended to install a junction box, e.g. type PP
by Aplisens S.A., in order to connect the probe cable with the rest of the transmission line. The box
should have an IP65 protection degree and at the same time be unsealed enough to ensure
"breathing" of the probe measuring element through the capillary which is part of the cable. Do not
allow the capillary outlet to become contaminated or water to enter the capillary. In the case of a
long transmission line, it is recommended to run the section from the end of the probe cable using a
"twisted pair", and it is also advantageous to equip the entrance to the cooperating devices with a
surge protection device, e.g. the UZ-2 system by Aplisens S.A..
Figure 3. Electrical connection of the probe in the standard version.
Figure 4. Probe electrical connection in three-wire version, voltage output.
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Revision 01.A.001/2021.09