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If this tacho goes to 2400 rpm, why does the pic show 2690 rpm?
I only ask as I have a digital tacho & it worries me going too close to a set of blades at 2000 rpm so I want an optical one - but not that one if it's so inaccurate
David.
If this tacho goes to 2400 rpm, why does the pic show 2690 rpm?
I only ask as I have a digital tacho & it worries me going too close to a set of blades at 2000 rpm so I want an optical one - but not that one if it's so inaccurate
David.
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