Quote:
Originally Posted by dcb
"The sensors measure vibration of the fuel line"
Nope, not according to Diesel_John. I found his original post and he says he saw the whole pulse on a scope:
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I don't know what Diesel_John thinks, but the information posted on the manufacturer's own site says the meter measures vibration:
For easy engine revolution measurement on 4-cycle diesel engines by clamping the piezo-electric type vibration detector to the fuel injection pipe.