The SANSEL Tachometer Calibrator is a high-precision RPM reference standard designed for calibration of contact and non-contact tachometers, RPM indicators, speedometers, proximity sensors, tacho generators, stroboscopes, and related instruments. Featuring a high-speed motor, precision encoder, advanced 32-bit processor, and automated gain tuning technology, it delivers excellent stability, repeatability, and control performance. Its lightweight aluminum enclosure and rugged construction make it suitable for both laboratory and on-site calibration applications, ensuring reliable rotational speed verification across industrial sectors.