Agilent Technologies U1251A, Руководство пользователя и сервисное руководство

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52 Agilent U1251A/U1252A User’s and Service Guide
2 Making Measurements
Measuring Temperature
The bead type thermocouple probe is suitable for making
temperature measurements between –20 °C to 200 °C in
Teflon compatible environments. Above this temperature,
probes may emit toxic gas. Do not immerse this thermocou-
ple probe in liquids. For best results, use a thermocouple
probe designed for each application — an immersion probe
for liquid or gel, an air probe for air measurements. Observe
the following measuring techniques:
• Clean the measurement surface and make sure the probe
is securely touching the surface. Remember to disable the
applied power.
• When measuring above ambient temperature, move the
thermocouple along the surface until you get the highest
temperature reading.
• When measuring below ambient temperature, move the
thermocouple along the surface until you get the lowest
temperature reading.
• Place the meter in the operating environment for at least
1 hour as using non- compensation transfer adaptor with
miniature thermal probe.
• For quick measurement, use the 0 °C compensation to see
the temperature variation of the thermocouple sensor. The
0 °C compensation assists you in measuring relative
temperature immediately.
1
Turn the rotary switch to TEMP position .
2
Push to select temperature measurement.
C A U T I O N
Do not bend the thermocouple leads at sharp angles. Repeated bending
over a period of time can break leads.