58 Agilent U1251A/U1252A User’s and Service Guide
3Features and Functions
Dynamic Recording
The Dynamic Recording mode can be used to detect inter-
mittent turn on or turn off voltage or current surges and
verify measuring performance without the user being present
during that particular period of time. At the same time, you
can take readings simultaneously while performing other
task.
The average reading is useful for smoothing out unstable
inputs, estimating the percentage of time a circuit is oper-
ated, and verifying circuit performance. Time lapse is shown
on the secondary display. The maximum time is 99,999 sec-
onds. When this maximum time is exceeded, “OL” is indi-
cated on the display.
1 Push for more than 1 second to enter Dynamic
Recording mode. 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 Push to cycle through maximum, minimum, average
and present readings. The MAX, MIN, AVG and
MAXMINAVG light up correspondingly to the displayed
readings.
3 Push or for more than 1 second to exit
Dynamic Recording mode.
NOTE
• Push to restart dynamic recording.
• The average value is the true average of all 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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