Speed Measurement Using Magnetic Pickup Transducer Trainer is an SSI India product in the Electronics category. Key specifications include SKU: PIL-E557. RPM Indicator: 4 digits Digital frequency Counter calibrated in R.P.M. Measurement Range : 10000 RPM Max. DC Supply IC Regulated 0-12V, +5V DC,3. Operated on Mains power 230V, 50Hz