PT150 Powerscan of Electrical System Diagnostics PT150 the Function Aame as PS100 Extremely easy to use and highly reliable Built-in Flashlight enables you to work in the dark Easy to read AVOmeter allows you to read voltage, current and resistance at the fingertip Performs every type of service including power injection, measurement, ground testing, polarity checks, continuity testing and components activation Simultaneously uses the hot lead and the ground lead to activate components right in your hand