BESA-12P User’s manual
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Page 23
Follow the instructions; switch ON all electrical loads (Head Lights, Radio,
Rear Demister, Heater, etc).
Note: Air-Condition (mostly mechanical load)
should be OFF as it sometimes slowdown the idling speed of certain cars
while it is ON thereby affecting the idling speed charging results.
Rev the engine up to
2,000 ~ 2,500 RPM
by referring to the dashboard
meter, then press key and maintain the engine speed for about 10
seconds and release the pedal. The maximum and minimum voltages
values will be captured. (Fig.70)
With the captured readings, analysis can done by referring to the limits as
indicated that
MAX voltage should exceed 13.5V
(max. voltage at 2,000
RPM) and
MIN voltage should be more than 12.5V
(min voltage during
idling speed).
After that press key again and the results will be shown as below
(Fig 71.)
Figure 71
Figure 70
Average
Charging volts.
Normal Charging
range limit.
Captured Volts
readings
Loading Test
At 2,000 rpm:
Av.Volts: 13.3V
>13.5V: Max. 13.8V
>12.5V: Min. 12.8V
Press [Enter] for results.
Results: Good
At 2,000 rpm,
Loading Test:
Average Charging
Volts: 13.3V
