Fluke 87 TRUE RMS MULTIMETER User Manual page 19

True rms multimeter
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again to return to the maximum (MAX) reading. To
reset the Peak MIN MAX mode press Ttwice:
the first press exits the mode, and the second press
re-enters the mode. To completely exit the MIN MAX
mode, press Mfor one second. In Peak MIN
MAX mode, the present reading, average (AVG)
readings, and analog display are not displayed.
Before selecting Peak MIN MAX, select DC voltage or
current to DC couple the input waveform; or AC
voltage to capacitively couple the input waveform.
Peak MIN MAX works in all functions except ohms,
frequency and capacitance.
In the MIN MAX Recording mode, press Ito
stop the recording of readings; press again to restart
recording. If recording is stopped, the minimum,
maximum, average, and present values are frozen,
but the analog display continues to be active. When
recording is stopped, the stored readings are not
erased and you can still scroll through these
readings.
Power-On Option: Select High Accuracy MIN
MAX Recording
The High Accuracy MIN MAX Recording mode has a
response time of approximately 1 second. Changes of
more than 1 second duration are recorded. The "1 s"
annunciator is turned on. In the Frequency Counter
mode, readings are always recorded at the high
accuracy recording speed; the response time is not
selectable.
K
Manual Ranging
Press Kto select the Manual Range mode and
turn off the AUTO annunciator. (The meter remains in
the range it was in when manual ranging was
selected.)
In the Manual Range mode, each time you press
Kbutton, the range (and the input range
annunciator) increments, and a new value is
displayed. If you are already in the highest range, the
meter "wraps around" to the lowest range. (In the
Frequency Counter mode, pressing Kmanually
selects the input voltage or current range.) To exit the
Manual Range mode and return to autoranging,
Press and hold down Kfor 2 seconds. The
AUTO annunciator turns back on.
When the range is changed manually, the Touch
Hold, MIN MAX Recording, and REL[ative] modes are
disabled.
How to Use the Meter
11

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