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AS432B - Tachometer Instruments (Indicator and Generator)

Document Number: AS432B
Revision Number: B
Tachometer Instruments (Indicator and Generator)
This SAE Aerospace Standard (AS) covers tachometer instruments (RPM indicator, 0-110 percent RPM and 0-120 percent RPM indicators and generator) for remote indication of engine speed.

This Aerospace Standard establishes the essential minimum safe performance standards for Tachometer Instruments primarily for use on turbine-powered subsonic transport aircraft, the operation of which may subject the instruments to the environmental conditions specified in Section 3.3.

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