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Rev counter - Square Wave?

Posted: Fri Jul 03, 2015 9:24 am
by suddy
Hi All,

I've got some problems with my rev counter, so I've removed it, and I'd like to test it.

So, I *think* that accepts square-wave source, but I am looking for some more details - Voltage p-p and frequency range...

I've actually got different one in the car at the moment, but the dial face is the old-style font, might be easier to remove the needle - but can't see how without breaking it!

Kind Regards
Stephen

Re: Rev counter - Square Wave?

Posted: Sun Jul 05, 2015 9:52 am
by Robou
Fingers (wash first!) under the complete needle, pull and at the same time turn anti clockwise. Ignore the protest, be brave.