52 U1253B User’s and Service Guide
2 Making Measurements
Measuring Temperature
The bead- type thermocouple probe is suitable for measuring
temperatures from –20 °C to 200 °C in PTFE- compatible
environments. Do not use the thermocouple probe beyond
the recommended operating range. Do not immerse this
thermocouple probe in any liquid. Use a thermocouple probe
designed for each specific application — an immersion probe
for liquid or gel, and an air probe for air measurement.
Set up the multimeter to measure temperature as shown in
Figure 2- 17 or observe the following steps:
1 Press to select temperature measurement.
2 Connect the miniture thermal probe into the
non- compensation transfer adapter as shown in
Figure 2- 15. Then connect the thermal probe with the
adapter into the meter input terminals as shown in
Figure 2- 16.
3 For best performance, place the meter in the operating
environment for at least one hour to stabilize the unit to
environment temperatures.
4 Clean the surface to be measured and ensure that the
probe is securely touching the surface. Remember to
disable the applied power.
5 When measuring above ambient temperatures, move the
thermocouple along the surface until you get the highest
temperature reading.
6 When measuring below ambient temperatures, move the
thermocouple along the surface until you get the lowest
temperature reading.
7 For quick measurement, use the 0 °C compensation to
view the temperature variation of the thermocouple
sensor. The 0 °C compensation assists you in measuring
relative temperature immediately.
Do not bend the thermocouple leads at sharp angles. Repeated
bending over a period of time can result in the leads breaking.
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