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The ST 32 and ST 32-01 are dual function signal conditioners. They convert four channels of the sinusoidal output of Tach Generators and one channel of analog strain gauge pressure to a digital signal that can be used by aircraft display and/or control systems. The -01 version has reverse protection diodes on pins 1 and 20 that allow the ST 32-01 to be powered from independent power buses. It is recommended on new installations.
ST 32 Torque & Tach Adapter