FLUKE 87V-MAX User Manual for the Fluke 87V-MAX True RMS Digital Multimeter with built-in thermometer

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Digital Multimeter

AutoHOLD Mode

AutoHOLD

Mode

XWWarning

To prevent possible electric shock, fire, 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.

• Do not use the HOLD function to

measure unknown potentials. When

HOLD is turned on, the display does not

change when a different potential is

measured.

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

Selecting relative mode () causes the Meter to 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 . 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, if the stored reference

value is 15.00 V and the present reading is 14.10 V, the

display shows -0.90 V.

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FLUKE 87V-MAX True RMS Digital Multimeter with built-in thermometer