Autool BT160 Manuel de l'utilisateur - Page 8
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NOTE: DO NOT operate it in area with combustible gas,
dust and explosive conditions. NOT allowed to use it with AC
and over 24V DC circuit.
7.Grounding Testing
For some components of which negative terminal is
required to be well grounded for large current flowing, this
tester is a good tool to test their grounding.
★ Unroll the leads.
★ Connect red clip to positive terminal of vehicle's battery.
★ Connect black clip to negative terminal of vehicle's
battery.
★ Press button to "-" side , the LED should light RED , and
positive voltage is supplied. Then have the probe tip quickly
contact negative terminal of component as close as possible,
LED indicator turns to GREEN with buzzer sounding, which
means it is well grounded. If NOT, the LED remains RED
without any buzzer.
motor
马达
+ -
motor
马达
+ -