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How does laser tachometer work?

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LAN_403

Kizmo

Tue Oct 30 2007, 04:48PM

Registered Member #599 Joined: Thu Mar 22 2007, 07:40PM
Location: Northern Finland, Rovaniemi
Posts: 624

I recently bought digital laser tachometer. It reads revolutions of spinning object with laser and can do from 2.5rmp to 100krpm ..impressive!

But.. how does it work?

...

Tue Oct 30 2007, 06:13PM

Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445

It just counts the pulses of light that get reflected back, integrates over time, and displays the result.

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