To turn on the instrument turn the range knob from the OFF position to
any measurement range.
Note:
For best battery life ALWAYS turn the function switch to the OFF
position when the meter is not in use. These meters have an Auto OFF
that automatically shuts the meter OFF if left switched on. AVO300:15
minutes, AVO310: 30 minutes.
Note:
On some low AC and DC voltage ranges, with the test leads not
connected to a device, the display may show a random, changing reading.
This is normal and is caused by the high-input sensitivity. The reading will
stabilize and give a proper measurement when connected to a circuit.
MODE button
To select AC or DC measurement when in Amps, mA or uA ranges.
HOLD button
The HOLD function allows the meter to "freeze" a measurement for later
reference.
1. Press the HOLD button to "freeze" the reading on the indicator. The
"HOLD" message will be appear in the display.
2. Press the HOLD button again to return to normal operation.
BACKLIGHT button (AVO310 only)
1. Press the BACKLIGHT button to switch on the display light.
2. Press the BACKLIGHT button again to exit the light mode.
INTRODUCTION
OPERATION
4
Thank you for purchasing one of the Megger AVO300 series digital
multimeters.
For your own safety and to get the maximum benefit from your
instrument, please ensure that you read and understand the following
safety warnings and instructions before attempting to use the instrument.
This user guide describes the operation and functions of the following
AVO300 series of digital multimeters.
AVO300
AVO310
SYMBOLS AND ANNUNCIATORS
Continuity
BAT
Low Battery
Diode test
HOLD
Data Hold
AUTO
AutoRanging
AC Alternating
Current or Voltage
DC
Direct Current or Voltage
MAX/MIN
Stores the highest or lowest measurement
Backlight
V
Volts
A, mA, uA
Current range
Summary of Contents for AVO300 Series
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