WIKA T24.10 Betriebsanleitung Seite 26

8. Information on mounting and operation ...
Connection of the sensor (terminal 1 to 3)
For the following values for voltage, current and power in accordance
with the temperature class of the respective hazardous area, the
connected sensor must not warm up inadmissibly.
Model T24.10.xx2
GB
II 1G EEx ia
Model T24.10.xx9
II 3G Ex nL/nA/ic
Do not connect the programming unit to a T24 if the T24 is located
■
in a hazardous area.
The external wiring shall be suitable for the maximum ambient
■
temperature range (max. 85 °C) of the end use application. The
minimum cross section for external wiring is 0.14 mm².
Ex ic applications:
■
The model T24.10.xx9 temperature transmitter must be installed
in a Pollution Degree 2 environment (or better) in the end use
application, within an enclosure with a minimum of IP 20, provided
by end user.
Ex nA or nL applications:
■
The model T24.10.xx9 temperature transmitter must be installed
in a Pollution Degree 2 environment (or better) in the end use
application, within an enclosure with a minimum of IP 54, provided
by end user.
26
maximum possible values
effective values during operation
WIKA operating instructions temperature transmitter, model T24
U = DC 6.4 V
0
I = 42.6 mA
0
P = 37.1 mW
0
U = DC 5.4 V
0
I = 0.51 mA
0