58 Agilent U1251A/U1252A User’s and Service Guide
3 Features and Functions
Dynamic Recording
The Dynamic Recording mode detects intermittent turn on
or turn off voltage or current surges and verifies the
measuring performance without the user being present
during any particular period of time. You can take readings
simultaneously while performing other task.
Use the average reading procedure to even out unstable
inputs, estimating the percentage in time a circuit is
operated, and verifying the circuit performance. The
secondary display shows the time lapse. The maximum time
is 99,999 seconds. When this maximum time is exceeded, the
display indicates “OL”.
1 Press for more than 1 second to enter Dynamic
Recording mode. The meter is now in continuous mode or
non- data hold (non- trigger) mode. “MAXMINAVG” and
present value of measurement are displayed. The beeper
sounds when a new maximum or minimum value is
recorded.
2 Press to cycle through maximum, minimum, average
and present readings. The MAX, MIN, AVG and
MAXMINAVG indicators light up, corresponding to the
displayed readings.
3 Press or for more than 1 second to exit
Dynamic Recording mode.
• Press to restart the dynamic recording.
• The average value is the true average of all the measured values taken
in the Dynamic Recording mode. If an overload is recorded, the
averaging function will stop and the average value becomes
"OL"(overload). is disabled in Dynamic Recording mode.
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