WIKA TR10-W Betriebsanleitung Seite 13

4. Design and function
4.3 Technical description of the three variants
Variant 1: ATEX/IECEx-Ex d
housing or connection head
(with connection terminals,
without transmitter)
Thread
T4: {-50} -40 °C < Ta < +85 °C
T3: {-50} -40 °C < Ta < +150 °C
T1: {-50} -40 °C < Ta < +300 °C
Variant 1:
The thermometer is fitted to a certified enclosure with ignition protection type "flameproof
enclosure", which has a built-in terminal block. If the thermometer is marked with II 2G Ex d
IIC T1-T6 Gb, it is designed for use in zone 1 with a thermowell.
If the thermometer is marked with II 1/2G Ex d IIC T1-T6 Ga/Gb, then it is designed for use
with a thermowell at the partition to zone 0.
Variant 2:
The thermometer is built into a certified enclosure, with an ignition protection type of
"flameproof enclosure", in which an electronic assembly has been fitted.
If the thermometer is marked with II 2G Ex d IIC T1-T6 Gb, it is designed for use in zone 1
with a thermowell.
If the thermometer is marked with II 1/2G Ex d IIC T1-T6 Ga/Gb, then it is designed for use
with a thermowell at the partition to zone 0.
WIKA operating instructions models TR10-W, TC10-W (Ex d)
Variant 2: ATEX/IECEx-Ex d
housing or connection head
(with built-in head-mounted
transmitter)
Thread
Legend:
Connection head

Neck tube

Connection to thermowell

Variant 3: ATEX/IECEx-
Ex d certified temperature
transmitter
Thread
Measuring insert

Terminal block/transmitter (option)

Field transmitter

GB
T4
T3
T1
T
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