Twintech control systems has successfully designed and developed an import substitute item, viz, magnetic pick-up, thanks to its excellence in the knowledge of electronic instrumental devices. This is available in different sizes and dimensions that are needed to measure rpm of flywheel, shaft of diesel engines, motors, etc. Some of the salient characteristics: import substitution, sine-wave frequency output more than 8 v peak to peak at 10 k ohm load and no external excitation voltage required. The product is sturdy and matches in performance with the magnetic pick-ups hitherto imported in the country. Twintech control systems pvt ltd is also in the process of developing a special type of magnetic pick-up having two coils to meet specific requirements of the user industry.