Aplisens SGE-25C Podręcznik użytkownika - Strona 16

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Aplisens SGE-25C Podręcznik użytkownika
EN.IO.SG
EN.IX.SGE
Table Z1. Temperature class dependence on ambient temperature Ta and total amount of input power Pi.
Ta- ambient temperature (i.e. of measured medium).
4. Connection of probes in Ex version
Connections of the probe and devices in the probe measuring loop must be made
in accordance with intrinsic safety and explosion protection standards and conditions of use
in hazardous areas.
Failure to follow these rules can lead to an explosion and danger to people.
Figure 1.Ex. Connection of Ex probes.
No repairs or other interference with the electrical system of the probe are allowed. Damage
assessment and possible repair can be done only by the manufacturer or a unit authorized
by him.
Connections of devices in the probe's measuring loop should be made in accordance with
intrinsic safety standards.
5. Special conditions for safe use
Probes in the surge arrester version that are labelled as "SA version", do not meet the insulation test
(500 V rms) required by EN 60079 11:2012. This must be taken into account when installing the device.
16
Pi [W]
0,7
1,2
Ta [ºC]
Temperature class
50
80
40
75
80
T6
T5, T4, group I
T6
T5
T4, group I
Revision.01.A.001/2021.09