Fluke 87 TRUE RMS MULTIMETER User Manual page 24

87
Users Manual
U
Low Battery
Meter is powered by a single 9V battery, with a typical
life of 400 hours with an alkaline battery. At least 8
hours of battery life remain when U is first displayed.
A battery check is taken between measurements.
-
Negative Polarity
Automatically indicates negative inputs. When REL is
enabled, indicates negative results of math
calculations.
R
Beeper
Continuity test is enabled. See item 11 and Table 2.
Items 24 through 31 describe math function annunciators
and the annunciators that indicate the units of the value
displayed.
Relative Mode
The value displayed is the difference between the
present measurement and the previously stored
reading. See item 12.
100 ms Normal Recording Speed in MIN MAX
Recording Mode
16
Input changes of 100 milliseconds or longer will be
recorded. In the 1 s High Accuracy MIN MAX
Recording Mode, the recording speed is 1 second.
1 ms Peak MIN MAX Recording Mode
Input changes of 1 millisecond or longer will be
recorded.
RECORD Minimum, Maximum, and Average
Recording
Readings are being recorded in the MIN MAX
Recording mode. A maximum (MAX), minimum
(MIN), or average (AVG) reading can be displayed.
27 MAX Maximum Value in MIN MAX Recording
Mode
The value displayed is the maximum reading taken
since the MIN MAX Recording mode was entered.