Fluke 117 Fluke 114,115,117 Manual - Page 13

Measuring AC and DC Voltage, Using Auto Volts Selection (114 & 117 only) - true rms

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Measuring AC and DC Voltage Volts AC Volts DC V True-rms Multimeters Making Basic Measurements This function also sets the Meter's input impedance to approximately 3 kΩ to reduce the possibility of false readings due to ghost voltages. Measuring AC and DC Millivolts Millivolts AC Millivolts DC DC edy03f.eps Using Auto Volts Selection (114 & 117 only) With the function switch in the x position, the Meter automatically selects a dc or ac voltage measurement based on the input applied between the V or + and COM jacks. edy18f.eps With the function switch in the l position, the Meter measures ac plus dc millivolts. Press g to switch the Meter to dc millivolts. 11

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True-rms Multimeters
Making Basic Measurements
11
Measuring AC and DC Voltage
Volts DC
Volts AC
V
edy03f.eps
Using Auto Volts Selection (114 & 117 only)
With the function switch in the
x
position, the Meter
automatically selects a dc or ac voltage measurement
based on the input applied between the
V
or
+
and
COM
jacks.
This function also sets the Meter’s input impedance to
approximately 3 k
Ω
to reduce the possibility of false
readings due to ghost voltages.
Measuring AC and DC Millivolts
Millivolts DC
Millivolts AC
DC
edy18f.eps
With the function switch in the
l
position, the Meter
measures ac plus dc millivolts. Press
g
to switch the
Meter to dc millivolts.