Endress+Hauser iTEMP HART TMT112 Sicherheitshinweise Seite 8

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Safety notes TMT112
1. Install the device according to the manufacturer's instructions and any other valid
standards and regulations.
2. When installing the device note that the housing ingress protection classification IP20
is upheld.
3. Device set-up is also allowed in the Ex area using a certified handheld module, e.g.
DXR375 or SFX100. The pertinent guidelines must be observed when intrinsically
safe circuits are connected together.
4. On installation there should be a distance (thread measure) of at least 50 mm between
intrinsically-safe and non-intrinsically-safe terminals.
Safety instructions for Zone 0:
5. According to the manufacturers specifications this device may be installed in Zones 1,
2 and the sensor circuit can be fed into Zone 0.
TMT112
Power supply set
(terminals 5 and 6)
Measurement circuit
(terminals 1 to 4)
Max. connection values
Temperature range
II 2(1)G Ex ia IIC T6/T5/T4
≤ 30 V
U
i DC
≤ 100 mA
I
i
≤ 750 mW
P
i
C = negligibly small
i
L = negligibly small
i
≤ 5.0 V
U
0 DC
≤ 5.9 mA
I
0
≤ 7.2 mW
P
0
Ex ia IIC L = 100 mH
0
Ex ia IIB L = 100 mH
0
Ex ia IIA L = 100 mH
0
T6 Ta = -40 °C to +55 °C
T5 Ta = -40 °C to +70 °C
T4 Ta = -40 °C to +85 °C
TMT112
T09-TMT112ZZ-04-xx-xx-en-000
= 2 μF
C
0
= 10 μF
C
0
= 10 μF
C
0
Endress+Hauser