Klein Tools CL390 Instruction Manual page 11

AC/DC VOLTAGE (LESS THAN 600V)
1. Insert RED test lead into VΩµA jack
into COM jack
V setting for AC or DC measurements. The meter defaults to
AC measurement. To measure DC, press the SEL/NCV button
to toggle between AC and DC modes. The AC or DC icon on the
LCD indicates which mode is selected.
Black lead
Apply test leads to the circuit to be tested to measure voltage.
The meter will auto-range to display the measurement in the most
appropriate range.
NOTE: If "–" appears on the LCD, this indicates negative polarity for
DC voltage.
NOTE: When in a voltage setting and the test leads are open,
readings of order mV may appear on the display. This is noise and
is normal. By touching the test leads together to close the circuit
the meter will measure zero volts.
NOTE: When voltages in excess of 25V AC or 60V DC are measured
the hazardous voltage indicator
OPERATING INSTRUCTIONS
, and rotate function selector switch
4
Red lead
, and BLACK test lead
5
will be present on the display.
to the
2
12
11