TMT121
Temperature transmitter iTEMP
Table of contents
1 Safety notes .........................................................................................................................................8
2 Function...............................................................................................................................................9
3 Dimensions..........................................................................................................................................9
en
4 Installation ........................................................................................................................................10
5 Wiring overview................................................................................................................................11
6 Operation...........................................................................................................................................12
7 Accessories ........................................................................................................................................13
8 Supplementary documentation .......................................................................................................13
1 Safety notes
Correct use
8
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TMT121, DIN rail
■ The unit is a universal, presettable temperature transmitter for resi-
stance thermometer (RTD), thermocouple (TC) as well as resistance
and voltage sensors.
■ The manufacturer cannot be held responsible for damage caused by
misuse of the unit.
■ Separate Ex documentation is contained in this operating manual for
measurement systems in hazardous areas. The installation conditions
and connection values indicated in these instructions must be follo-
wed!
■ Installation and wiring of the unit must only be carried out by trained
skilled personnel and only in conjunction with these operating
instructions.
Endress+Hauser