Introduction - Power Probe IV User Manual

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Introduction

Power Probe IV
Thank you for purchasing the Power Probe IV Diagnostic Elec-
tronic Circuit and Component tester. The Power Probe IV is the
next generation of Power Probe Circuit Testers. Now loaded
with powerful multi-meter functions, advanced diagnostic test
modes, an easy to read color LCD display and a new rug-
ged water and dust resistant housing, the Power Probe IV is
designed to give you years of trouble free testing, even in the
most demanding work environments.
The unique configuration of Power Probe testers gives them
many advantages over using conventional test lights or multi-
meters for circuit testing.
(1) Since the Power Probe IV is connected to the battery, you
can apply battery power or battery ground directly to the tip of
the tool. You can energize and activate components to verify
their correct operation. This is real dynamic component testing
and the only true way to test an active component.
(2) The Power Probe IV is always connected to the vehicle's bat-
tery, so the tool maintains a permanent connection to the source
power and ground voltage. Circuit voltage checks are quickly
performed with just a single probe connection, unlike using two
meter leads.
(3)Using the PPIV, all your voltage checks are referenced back
to the source battery and account for every connection and
possible voltage drop between the source and the probe tip.
(4) Automatic Voltage Drop Indication - When probing a
circuit, if the voltage measured at the tip is 0.5 volts lower (or
more) than the source battery voltage, the red LED will not Illu-
minate and no speaker tone will sound. This will instantly alert
you that there is a voltage drop that may need to be investigat-
ed or repaired.
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