Test applications, Oltage, Olarity – Autel PowerScan PS100 User Manual

Page 10: Esting, Ontinuity, 1 voltage & polarity testing, 2 continuity testing

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3. Test Applications

3.1 Voltage & Polarity Testing

While the tool is in DC Voltage mode, contact the probe tip to a
POSITIVE circuit. The red LED will light and the LCD displays the
voltage with a resolution of 0.1V. If the beep is turned on, a high
pitched tone will sound.

If contact the probe tip to a NEGATIVE circuit, the green LED will
light and the LCD displays the voltage with a resolution of 0.1V. If
the beep is turned on, a low pitched tone will sound.

If contact the probe tip to an OPEN circuit, neither of the LED will
light.(Figure 7)

Figure 7

3.2 Continuity Testing