User`s guide

U1273A/U1273AX Handheld Digital Multimeter
Performing Measurements and Tests
10 U1273A/U1273AX Quick Start Guide
Continuity tests
Set up your multimeter as shown in the figure below to per-
form continuity tests. Press to switch to the continuity
test function ( is shown on the display).
The beeper will sound as a continuity indication. Press to
switch between normal open ( ) and normal close ( )
contacts.
• Normal open: Circuit is normally open, the beeper will
sound when a short is detected.
• Normal close: Circuit is normally closed, the beeper will
sound when an open is detected.
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Exit
Dual
Smart
ON
(closed)
OFF
(open)
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NOTE
The continuity function detects intermittent shorts and opens
lasting as short as 1 ms. A brief short or open causes the multi-
meter to emit a short beep.