LCD Display
Symbols
Meaning
Battery life indicator
Indicator for Auto ranging measurement
Indicator high voltage output or
>30V DC/AC Voltage
Indicator for DC voltage
Indicator for AC voltage
Indicator for automatically discharged
Indicates for Continuity buzzer
Indicates for negative reading
Timer symbols
Unit symbols
Indicator for polarization index
Dielectric absorption ratio
Check feature fail or pass
Analogue bar graph
LCD display reading
Measurement Inputs
Terminal
Description
Insulation resistance measurement
LINE
500V, 1000V, 2500V, 5000V range Insulation resistance measurement high
voltage line output (LINE+COM:two plugs red lead to one alligator clip)
COM
Return terminal for all measurements (LINE+COM:two plugs red test lead to
one alligator clip)
GUARD
Grounding protection input terminal (one plug black test led to one alligator
clip)
EARTH
Insulation resistance measurement input terminal
ACV/DCV/Low resistance measurements & continuity check
V/Ὠ
Input for voltage, Low resistance measurements & continuity check
COM
Return terminal for all measurements