UNI-T UT211, Руководство по эксплуатации

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D. Frequency and Duty Cycle Measurement
Frequency Measurement
Press Hz% one time when measuring AC voltage, the LCD display will switch to
f r e q u e n c y m e a s u r e m e n t m o d e f r o m v o l t a g e m e a s u r e m e n t m o d e .
Duty Cycle Measurement
Press Hz % two times when measuring AC voltage or square wave voltage, the LCD
display will switch to duty cycle measurement mode from voltage measurement mode.
E. Operation of Hold Mode
During current measurement
Press HOLD when the Meter is under current measurement mode, the measured
data will be hold. When the measuring signal is removed, the hold data remains
unchanged. Press
HOLD again, the hold data will be disappeared and the Meter
automatically enters the resistance measurement mode.
Model UT211: OPERATING MANUAL
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