The Extech 461831-NIST Digital StroboTach 220VAC 50Hz Speed Detection/Analysis is a powerful and versatile tool for measuring and analyzing the motion and speed of rotating objects. This digital tachometer is designed to provide accurate and reliable measurements without the need for contact, making it ideal for various applications.The Extech 461831 features a freeze motion capability that allows you to analyze the rotation of objects without physical contact. By aiming and synchronizing its flash rate (FPM) with the rotating object, you can accurately measure the speed of moving gears, fans, pumps, motors, and other equipment.Designed for ease of use and versatility, the Extech 461831 is suitable for general maintenance, production, quality control, and laboratory environments. Its non-contact measurement capability ensures that you can safely and efficiently measure the speed of rotating objects.With its digital display, the Extech 461831 provides clear and precise readings of the object's speed. The user-friendly interface allows for easy adjustment of the flash rate, ensuring accurate synchronization with the rotating object for reliable measurements.The Extech 461831 operates on 220VAC 50Hz power supply, making it compatible with the corresponding electrical system. This ensures reliable and consistent performance in environments where this power supply is available.Whether you need to measure the speed of gears, fans, pumps, motors, or other rotating equipment, the Extech 461831 Digital StroboTach 220VAC 50Hz Speed Detection/Analysis is a reliable and efficient tool. Its non-contact measurement capability, freeze motion feature, and user-friendly design make it an ideal choice for professionals in general maintenance, production, quality control, and laboratory settings. It includes NIST Certification.