Megger AVO300 Series, User Manual

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Insulation: Class 2, Double insulation.
Overvoltage category: (AVO300/310)
600V CATIII or 1000V CATII
Display
AVO300: 4000 counts LCD display, 25.4mm high
AVO310: 4000 counts LCD display, 20mm high
Backlight: AVO310 only
Polarity: Automatic, (-) negative polarity indication.
Over-range: "OL" mark indication.
Low battery indication: A Battery symbol is displayed when the
battery voltage drops below the operating
level.
Measurement rate: 2 times per second nominal.
Auto power off
AVO300: Meter automatically shuts down after
approx. 15 minutes of inactivity.
AVO310: Meter automatically shuts down after
approx. 30 minutes of inactivity.
Operating environment: -10ºC to 50ºC (14ºF to 122ºF) at <70%
relative humidity.
Storage temperature: -30ºC to 60ºC (-4ºF to 140ºF) at < 80%
relative humidity.
5. The diode or junction can be evaluated as follows:
A. If one reading shows a value and the other reading shows OL, the
diode is good.
B. If both readings show OL, the device is open.
C. If both readings are very small or zero, the device is shorted.
NOTE: The value indicated in the display during the diode check is the
forward voltage.
7
SPECIFICATIONS