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Safety instructions
8
Safety notes TMT142
Integrated sensor or
remotely installed
1.
Install the unit to the manufacturers instructions and in accordance with the valid norms and
regulations.
2.
In an explosive atmosphere, do not open the device when voltage is supplied. Ensure that the
IP 67 housing protection is maintained during operation.
3.
For ambient temperatures higher than 70 °C, suitable cables, pipes or conductors must be used
for piping.
4.
The temperature transmitter must be installed so, that even in the event of rare incidents, an
ignition source due to impact or friction between the enclosure and iron/steel is excluded.
TMT142
Power supply
(terminals + and -)
Output
Temperature range
with display
without display
Explosive hazardous
EX
area zone 2
II 3G EEx nA II T6/T5/T4
U ≤ 11 to 40 V DC
I = 4 to 20 mA
T6
Ta = -40 °C to + 55 °C
T5
Ta = -40 °C to + 70 °C
T4
Ta = -40 °C to + 70 °C
T4
Ta = -40 °C to + 85 °C
TMT142
Non-hazardous
EX
area
Power supply
+
-
a0004384-en
Endress+Hauser
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