Auto Hold; Rel T Button (Making Relative (Rel T) Measurements); Relative To A Measured Value; Relative To A Saved Value - Fluke 183 User Manual

183 & 185
Users Manual

Auto Hold

To activate auto hold, press down on
display. Auto hold is not available for capacitance or AC DC measurements.
In auto hold mode the display automatically freezes and the instrument beeps
when the measurement reading stabilizes. The displayed value will be updated
when the meter stabilizes on a new measurement value.
Auto hold is useful when it is not possible for you to press
meter display while probing and taking measurements.
Button (Making Relative ( REL
REL
Use this button to set the meter to delta mode and make relative measurements.
The reference value for the
programmed value.

Relative to a Measured Value

When you take the measurement and the meter settles on the measurement
value, press
REL
subtracted from the actual measurement.

Relative to a Saved Value

Use the measurement function knob and softkeys to set the meter to the
measurement function you want. Use the memory information in the "MEM
(Memory)" section to recall (RCL) a reference value from memory, then press
. To exit delta mode, press
REL
For subsequent readouts, the recalled reference value is subtracted from the
actual measurement.
24
measurement can be a measured, a stored, or a
. For subsequent readouts, the measured reference value is
REL
until
HOLD HOLD
.
appears on the
or see the
HOLD
) Measurements)