Aplisens SGE-25.SMART Manuale d'uso - Pagina 20

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Aplisens SGE-25.SMART Manuale d'uso
EN.IO.SGE.25.SMART
"Pi" for all types of power supply: see table Z1 below.
Table Z1. Temperature class dependence on ambient temperature Ta and total amount of input power Pi.
4. Connection of probes in Ex version
Figure 1.Ex. Connection for SGE-25.Smart, SGE-25S.Smart, SGE-25C.Smart 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.
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.
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.
20
Ta [ºC]
Pi [W]
50
0,75
70
80
40
1,2
65
80
Ta- ambient temperature (measured medium)
Temperature class
T6
T5
T4, group I
T6
T5
T4, group I
EN.IX.SGE.25.SMART
Revision 01.A.001/2021.09