Using Touchhold; Compensating For Test Lead Resistance - Fluke 787 User Manual

787
Users Manual

Using TouchHold

Note
You must have MIN MAX recording off to use
TouchHold.
! Warning
To avoid possible electric shock, do not use
TouchHold to determine if dangerous voltage
is present. TouchHold will not capture
unstable or noisy readings.
®
Activate TouchHold if you want the Meter to freeze the
display on each new stable reading (except in the
frequency counter function). Press I to activate
TouchHold. This feature allows you to take
measurements in situations in which it is difficult to look at
the display. The Meter beeps and updates the display
with each new stable reading.
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Compensating for Test Lead Resistance

Use the relative reading feature (Q on the display) to set
the present measurement as a relative zero. A common
use for this is to compensate for test lead resistance
when measuring Ω.
Select the Ω measure function, touch the test leads
together, then press C. Until you press C
again, or switch to another measurement or source
function, the readings on the display will subtract the lead
resistance.
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