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Idiomas disponibles
1
Introduction
Alerts and warnings during measurement
Voltage alert
For your own safety, please do not ignore the voltage alert. When the
WARNING
multimeter cautions you with a voltage alert, immediately remove the test
leads from the source being measured.
Your multimeter provides a voltage alert for voltage measurements in both
autoranging and manual range modes. The multimeter starts beeping periodically
once the measured voltage exceeds the
the Setup mode. Immediately remove the test leads from the source being
measured.
By default, this feature is turned off. Be sure to set the alert voltage according to
your test requirements. To change the alert voltage level, refer to
disabling the overvoltage alert"
Hazardous voltage indication
The multimeter will also display the hazardous voltage ( ) symbol as an early
precaution when the measured voltage is equal to or greater than 30 V in all
voltage measurement modes.
Input warning
To avoid circuit damage and possibly blowing the multimeter's current fuse,
CAUTION
do not place the probes across (in parallel with) a powered circuit when a
lead is plugged into a current terminal. This causes a short circuit because
the resistance through the multimeter's current terminals is very low.
The multimeter emits a continuous beep and displays
test lead is inserted into the
not set to the correct current position.
28
value (regardless of polarity) set in
on page 140.
or
input terminal but the rotary switch is
Keysight U1271A/U1272A User's Guide
"Enabling and
or
when the
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