GxT V044-01, Ferret 44 Battery Tester with Printer Manual - Manual (Page 11)

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* * * * * * * CHARGING TEST * * * * * * *
Engine Speed
1500 RPM
Battery Voltage 12.45 Volts
Alternator Output 90 Amps
Alternator Ripple OK
Battery Data ____________________________
Tech Name _____________________________
Date ___________________________________
Alternator Output Test (Automatic)
Al ways compare test results with manufacturerʼs specifi cations before coming to conclusions regarding the
performance or effi ciency of charg ing systems and their components.
1. Be sure the Load Knob is turned to OFF.
2. Connect the analyzer Battery Clamps to the battery
ter mi nals; Red to positive, Black to negative.
3. With the Amp Probe jaws closed and not around any
wires, press the Zero Amps buttons until the Amps
Display shows “000”
4. Place the Amp Probe around the al ter na tor output
wire or positive battery cable. Try to po si tion the probe
away from the back end of the al ter na tor to avoid
mea sure ment error.
5. Connect the Red spark pickup around any spark plug
wire. For ignition systems without spark plug wires,
consult the operators manual.
6. Start and Run the Engine.
7. Press the CHARGE button.
8. Run the engine at about 1500 RPM, and apply a load until the battery voltage decreases to 12.5 volts. The
bargraph will move indicating the measurements are being taken. The HOLD indicator will come on signaling
the end of the test.
9. At the conclusion of the test, turn the load off and let the engine idle. A report will be printed.
Engine Speed
The RPM of the engine.
Battery Voltage
This is the battery voltage during the test.
Alternator Output
This is the amperage output of the Alternator.
Alternator Ripple
If their is excessive alternator ripple, the printout will
show that the amps ripple is high, otherwise, it will
print O.K.
Battery & Technicians Information
Use this part of the report to write down the battery
information, your name and the date the test was
run.