Meter Description; Control Buttons - Extech Instruments EX520A Quick Start Manual

METER DESCRIPTION

1. Backlit LCD with bar graph.
2.

Control buttons.

3. Function switch.
4. 10 A positive test lead input.
5. µA and mA positive test lead
input.
6. Voltage, frequency, duty cycle,
resistance, diode, continuity, ca-
pacitance, temperature positive
test lead input.
7. Negative (common) input test
lead input.
CONTROL BUTTONS
Long press LPF to enable/disable the low pass filter. Long press
again to exit.
Short press MODE to select an alternate mode for the function in
use.
Short press to freeze/unfreeze reading.
Long press to switch the backlight on/off.
Short press to switch to Manual range and then to change the
range. Long press to return to Auto range.
Short press to step through the MAX, MIN, and MAX minus MIN
readings. Long press to exit.
Press to store the reading as a reference. Subsequent readings =
measurement minus reference.
When measuring AC current or voltage, press to step to fre-
quency, duty cycle, and back to normal operation.
#NAS100189; r. AD/96027/96066; en-US
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