The Altalyzer tester is used to check the correct operation of alternators equipped with electronically controlled voltage regulators. In alternators of this type, the charging voltage is not constant, but varies depending on external factors such as: engine revolutions, number of current receivers, etc. The voltage at a given moment is determined by the motor controller by sending the appropriate information to the alternator.
In order to check the correct operation of the charging system operating on the basis of an alternator with an electronic voltage regulator, a device is necessary that allows simulation of control signals and thus the replacement of the engine controller in this matter. Altalyzer is such a device. With it, you can freely set the value of alternator charging voltage, which allows you to check the correctness of its operation regardless of the external conditions.
Supported car makes:
PWM signal parameters
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Short manual: Quick Start