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Testing Index On-Line Catalog
VENSEL ENTERPRISES
1-800-662-6099
Catalog - Page 36


TIPS FOR GETTING THE BEST ALTERNATOR
TESTER FOR YOUR NEEDS:

1    Know what electrical power you have and make sure your electrical service will handle the additional electrical load. 

1 Phase, 220 Volts, 60 Hz
3 Phase, 220 Volts, 60 Hz

2    What horsepower do you need:

    Sample Ratings
HP OPERATING VOLTAGE UNIT OUTPUT/AMPS WATTS
5
12 
175 2100
5
24 87.5 2400
5
32 66.6 2400
7 1/2 12 300 3600
7 1/2 24 150 
3200
7 1/2 32 100 3200
10 12 450
5400
10 24 225 5400
10 32 
150 4800

*Purchasing a motor that is too small will make the motor into a fusible link and you will be replacing them on a regular basis.

3    Keep in mind variable speed lets you know when the unit starts to charge and what the output is from idle to full alternator RPM. 
        This is a must with today’s high idle output alternators.
4    Make sure that your machine can be upgraded so you are prepared for changes to come.
5    Get test leads and function tester so you are testing all the circuits both in and out of the alternator
6    Make sure you have all the adapters for mounting the later model units
7    If your tester is computerized, make sure you can work with their systems and that you feel in control. 
        Even if they are the best way to go you will not be happy in the long run if you can’t work with it.
8    If computerized, make sure they have a learn mode, so you can run a unit and keep the test results and then add your +/- tolerances. 
        This will make it much faster to get up and going in productions.  A copy mode will also be a good option as it allows you link data from unit to unit.