3. DC Voltage Indication
DC Voltage
For DC voltage measurement, connect probe
L2 to the positive terminal & L1 to the negative
terminal. The voltage is displayed on the LEDs
& the LCD display. The positive LED (10) is
illuminated. If the polarity is reversed the buzzer
will sound. The negative LED (11) will be
illuminated.
LED on
LED off
4. Single Pole Voltage Indication
Perform a function test prior to this test.
This unit can be used as a single pole voltage
indicator when the batteries are inserted.
The single pole test is intended only as a quick
check. The circuit must be checked again for the
presence of voltage using the two-pole method.
Connect test probe L2 to the voltage source and
keep finger on the contact electrode (8). If an
AC voltage above 100 V is present the LED (4) is
illuminated & the buzzer sounds.
The single pole test can be negatively affected
by unfavourable conditions such as electrostatic
field, good insulation etc.
9
10
