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3
Tester Features
Non-Contact AC Voltage Detection (Vsense)
For model U1461A only: Vsense is a non-contact voltage detector that detects
the presence of AC voltages nearby.
– You are advised to test on a known live circuit within the rated AC voltage
WARNING
– Voltage could still be present even if there is no Vsense alert indication.
– Vsense may be affected by differences in socket design, insulation
You are advised to measure voltage by using test leads through the voltage
CAUTION
measurement function after using Vsense, even if there is no alert indication.
1 Press and hold
If the presence of AC voltage is sensed, the tester will beep and the Vsense red
NOTE
LED at the top of the tester will turn on. The audible and visual alert allows you
to easily sense nearby AC voltage presence.
No resolution and accuracy of voltage measurement will be d isplayed in this
mode.
2 Press
3 Press and hold
100
range of this product before and after each use to ensure that Vsense
works.
Do not rely on Vsense with shielded wires. Never touch live voltage or
conductor without the necessary insulation protection or power off the
voltage source.
thickness, and insulation type.
except
).
to toggle the Vsense's sensitivity between HIGH SENSE
(high sensitivity) or LOW SENSE (low sensitivity).
to enable Vsense (on any position of the rotary switch
again to disable Vsense.
U1461A/U1453A User's Guide
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