turboSPEED 135 - Revolution Counter for Turbochargers: The extensive length of the sensor cable ( up to 25m) and the different signal outputs guarantee sufficient flexibility for the application. Benefits: extremely high interference resistance and noise immunity on dyno and test benches, No rotor modification. Contact Us: Distributor - Agent - Sales - Service - Repair. PT. Taharica - Indonesia. Website: www.taharica.com. Email : sales@ taharica.com.