Autohold Mode; Relative Mode; Using The Meter For Automotive Applications - Fluke 88 V User Manual

Model 88 V
Users Manual

AutoHOLD Mode

XWWarning
To avoid possible electric shock or personal
injury, do not use AutoHOLD mode to
determine that circuits are without power.
The AutoHOLD mode will not capture
unstable or noisy readings.
The AutoHOLD mode captures the present reading on
the display. When a new, stable reading is detected, the
Meter beeps and displays the new reading. To enter or
exit AutoHOLD mode, press

Relative Mode

F
Selecting relative mode (
zero the display and store the present reading as the
reference for subsequent measurements. The Meter is
locked into the range selected when you pressed
F
Press again to exit this mode.
In relative mode, the reading shown is always the
difference between the present reading and the stored
reference value. For example, connect to battery with
engine off, press F and start the engine to see
charging voltage.
34
D
.
) causes the Meter to
F
The bar graph continues to display the actual
voltage.
Using the Meter for Automotive
Applications
This section uses some typical automotive testing
applications. This information is intended to assist you in
learning how to use the Meter. Consult your service
manual for test procedures specific to your car.
.
Note