Fluke 105B - Holding a Stable Measurement (Touch Hold )

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HOLDING A STABLE MEASUREMENT
(TOUCH HOLD

)
The Touch Hold function captures the next stable
measurement and a beep indicates that a stable
measurement has been made. When the Touch Hold
function is turned on, the numeric display is frozen (held)
until a stable measurement is detected. Stable
measurements are defined as:
•
Within +/-100 display counts for 1s.
•
Above 200 display counts for dc signals.
•
Above 300 display counts for ac signals.
•
Below overload (OL) in Ω and diode test.
TOUCH HOLD appears in the top right of the display when
the function is active.
NOTE
The Touch Hold function is not available in Min Max.
Figure 4-2. The Touch Hold function
The following procedure can be used for Touch Hold:
1. Press and measure the signal.
2. Wait until the ScopeMeter test tool produces a beeper
signal to indicate a stable signal.
3. Remove the measuring leads and read the result from
the display.
4. Measure a new signal, wait for the beeper, remove the
leads, and read again.
5. Press to return to normal measurement mode.