2. Safety
GB
U
i
l
i
P
i
L
i
C
i
T1 ... T4
T5
T6
U
i
l
i
P
i
L
i
C
i
T1 ... T4
T5
T6
Installation instructions
The sensor circuit is not infallibly galvanically isolated from the Field-
bus input circuit. However, the galvanic isolation between the circuits
is capable of withstanding a test voltage of AC 500 V during 1 minute.
In a potentially explosive gas atmosphere, the transmitter shall be
mounted in an enclosure in order to provide a degree of protection of
at least IP 20 according to EN 60 529.
10
T53.10.0IS
Class I, Zone O, Ex ia IIC or Ex iaD, FISCO
P
< 0.84 W P
o
o
30 VDC
30 VDC
120 mA DC 300 mA DC 250 mA DC
0.84 W
1.3 W
1 µH
1 µH
2.0 nF
2.0 nF
T
≤ 85 °C
T
a
a
T
≤ 70 °C
T
a
a
T
≤ 60 °C
T
a
a
T53.10.0IS
Class I, Zone 1, Ex ib IIC, FISCO
P
< 0.84 W
o
30 VDC
250 mA DC
5.32 W
1 µH
2.0 nF
T
≤ 85 °C
a
T
≤ 75 °C
a
T
≤ 60 °C
a
WIKA Operating Instructions Temperature Transmitter T53
< 1.3 W
FISCO systems FISCO systems
17.5 VDC
2.0 W
1 µH
2.0 nF
≤ 75 °C
T
≤ 85 °C
a
≤ 65 °C
T
≤ 60 °C
a
≤ 45 °C
T
≤ 45 °C
a
FISCO systems
17.5 VDC
1 µH
2.0 nF
T
≤ 85 °C
a
T
≤ 75 °C
a
T
≤ 60 °C
a
15 VDC
1 µH
2.0 nF
T
≤ 85 °C
a
T
≤ 60 °C
a
T
≤ 45 °C
a