Keysight U1271A Schnellstart Handbuch Seite 17

Temperature measurements
Set up your multimeter as shown in the figure
below to perform temperature measurements.
Do not connect the thermocouple to electrically live
WARNING
circuits. Doing so will potentially cause fire or electric
shock.
The multimeter uses a type-K (default setting)
NOTE
temperature probe for measuring temperature.
Keysight U1271A/U1272A Quick Start Guide 17