The INSCO 6501 series single tachometer is a "drag-magnet" type
which operates directly from a two pole tachometer generator
requiring no external power. In the event of an instrument bus
shutdown, the 6501 will provide the pilot with critical engine speed
information. The 6501 series was designed and engineered to provide
years of dependable service as an OEM and replacement tachometer.
6501 series single tachometer is available with or without a vernier
pointer. The 6501 has an overall accuracy of + / - 1% F.S. with
accuracy of + / - 0.5% F.S., in the operating range 80 to 100%. The
6501 indicator is qualified to TSO-C49A.
As with all
INSCO instruments, the updated 6501 single tachometer was designed
and engineered with rigorous adherence to the highest quality
INSCO™, our teams demand the best and that's exactly what we