XA01007T iTEMP TMT71, TMT72, TMT82, TMT84, TMT85
14 Endress+Hauser
• The remote or integral mounted temperature sensor must comply
with the requirements according to IEC/EN 60079-1.
• Use for integral temperature sensors only approved sensors certified
for category 2G marked not less than II2G Ex d IIC T6…T4 Gb for use
in Zone 1.
• Use for integral temperature sensors only approved sensors certified
for category 1G or 2G marked not less than II1/2G Ex d IIC T6…T4
Ga/Gb or II2G Ex d IIC T6…T4 Gb for use in Zone 0 resp. Zone 1.
• The temperature class specified for the certified temperature sensor
shall be taken into account.
• The 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.
L
WARNING
Explosive atmosphere
‣
Do not open the electrical connection of the power supply circuit
under voltage in an explosive atmosphere.
Dust ignition protection
• Comply with the installation and safety instructions in the Operating
Instructions.
• Install the device according to the manufacturer's instructions and
any other valid standards and regulations (e.g. IEC/EN 60079-14).
• Seal the cable entries tight with certified cable glands (min. IP6X)
IP6X according to IEC/EN 60529.
• The provided cable glands according to option code are suitable
ATEX/IECEx Ex-certified cable glands with a temperature range of
-20 °C...+95 °C.
• For operating the transmitter housing at an ambient temperature
under -20 °C, appropriate cables, cable entries and sealing facilities
permitted for this application must be used.
• The housing of the field transmitter must be connected to the
potential matching line.
• For ambient temperatures higher than +70 °C, use suitable heat-
resisting cables or wires, cable entries and sealing facilities for Ta
+5K above surrounding.
• Use for integral temperature sensors only approved sensors certified
for category 1D or 2D marked not less than II1/2D Ex ta/Ex tb IIIC
T135 °C Da/Db or II2D Ex tb IIIC T135 °C Db for use in Zone 21.
• The maximum surface temperature specified for the certified
temperature sensor shall be taken into account.
L
WARNING
Explosive atmosphere
‣
Do not open the device when voltage is supplied (ensure that the IP
66/67 housing protection is maintained during operation).
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