52 U1253B User’s and Service Guide
2 Making Measurements
1 Set the rotary switch to .
2 Press to select temperature measurement.
3 Plug the thermocouple adapter (with the thermocouple
probe connected to it) into input terminals TEMP (red) and
COM (black) (as shown in Figure 2- 14 on page 53)
4 Touch the surface to be measured with the thermocouple
probe.
5 Read the display.
If you are working in a constantly varying environment,
where ambient temperatures are not constant, do the
following:
1 Press to select 0 °C compensation. This allows a
quick measurement of the relative temperature.
2 Avoid contact between the thermocouple probe and the
surface to be measured.
3 After a constant reading is obtained, press to set
the reading as the relative reference temperature.
4 Touch the surface to be measured with the thermocouple
probe.
5 Read the display for the relative temperature.
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