Fluke 77, 75, 21, 23 instruction sheet Automatic Touch Hold Mode, Bar Graph, W Warning

Models: 77 23 21 75

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Automatic Touch Hold® Mode

Automatic Touch Hold® Mode

WWarning

To avoid electric shock, do not use the Touch Hold® mode to determine if a circuit with high voltage is dead. The Touch Hold® mode will not capture unstable or noisy readings.

The Touch Hold® mode automatically captures and displays stable readings for all functions.

HOLD

AUTO HOLD

HOLD

HOLD

RANGE

RANGE

RANGE

Momentary

V

 

V

 

V

 

 

 

 

 

 

CAT

 

 

 

 

 

CAT

+

_

+

_

+

_

 

 

 

 

Single Beep

 

 

 

 

 

 

hc4f.eps

When the meter captures new input, it beeps and a new reading is displayed.

Note

Stray voltages can produce a new reading.

To exit the Touch Hold® mode, press WWarning momentarily or turn the rotary switch.

Bar Graph

The bar graph shows readings relative to the full scale value of the displayed measurement range and indicates polarity.

hc15f.eps

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Fluke 77, 75, 21, 23 Automatic Touch Hold Mode, Bar Graph, W Warning, Stray voltages can produce a new reading