Misuratore contachilometri universale 52 mm 3000 giri/min 4000 giri/min 6000 giri/min 7000 giri/min 8000 giri/min

Adjustable speed ratio: 1-300. Input Signal: Pluse Signal from tacho sensor, engine, alternator, ignition coil, crankshaft sensor, etc. Indicating Range:0-3000RPM, 0-4000RPM,0-6000RPM, 0-7000RPM，0-8000RPM.

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