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Control Buttons; Display Description; Meter Power - Extech Instruments EX505A Quick Start Manual

True rms industrial multimeter
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CONTROL BUTTONS

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 ranges.
Long press to return to Auto range.
Short press to step through 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.
When measuring electronic frequency, press to toggle Hz and %.

DISPLAY DESCRIPTION

1.
Auto range.
2.
Diode.
3.
Continuity.
4.
Data Hold.
5.
Relative (zero).
6.
Maximum and Minimum
readings.
7.
Measurement reading.
8.
Unit of measure and
range prefixes.
9.
Low battery.
10. Negative polarity
(minus).
11. Alternating or Direct
Current.
12. Auto Power Off enabled.

METER POWER

The meter is powered by one 9 V battery. The compartment is lo-
cated on the back of the meter (under the tilt stand) secured by the
#NAS100188; r. AH/98045/98046; en-US
3

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