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Hazardous location T6...T1
Zone 0 / 20
Division 1
Class I,II,III
Group A, B, C, D, E, F, G
up to T6 if EE300Ex is in
unclassified location.
3.4
Assembly in Categories 2 and 3 (Zone 1 , 2 / 21 , 22); Division 2
Only intrinsically safe power supply devices and protective barriers are approved to supply EE300Ex in
category 2 and 3 or Division 2.
No display is permitted in the dust hazard area (Group III) or Class II, III.
CH1 and CH2 must be galvanically isolated from one another during operation.
The probe for wall mount is not permitted to be used for Zone or Division bushing.
EE300Ex (wall mount) 1 channel via intrinsically safe power supply device:
Hazardous location T4...T1
Zone 1 2 / 21 22
Division 2
Class I,II,III
Group A, B, C, D, E, F, G, H
CH1
User Manual EE300Ex Humidity / Temperature Sensor
Zone 1 2 / 21 22
Division 2
Class I,II,III
Group A, B, C, D, E, F, G
The bushing must
conform to the ha-
zard requirements
of a Zone or Divisi-
on implementation.
The supplied screw
connection meets
this requirement!
CH2
intrinsically safe
sensor supply unit
4-20mA ia
Unclassified location
intrinsically safe
sensor supply unit
CH1
CH2
4-20mA ia
4-20mA ia
Unclassified location
Control
+
+
-
-
L+
+
-
L-
Power supply
+
+
Control
-
-
+
+
-
-
L+
+
-
L-
Power supply
17
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