Sper Scientific, Ltd. Stopwatch
The Sper Scientific 810035A Stopwatch is a precision timing instrument designed for a wide range of timing applications. It features a large, easy-to-read digital display and provides functions such as start, stop, split, and reset. The stopwatch is capable of measuring up to 24 hours in 1/100 second increments for the first 30 minutes, then in 1-second increments. It includes a calendar and clock mode, alarm, and hourly chime. The 810035A is lightweight, portable, and comes with a lanyard for convenient carrying. It is powered by a long-life battery and is suitable for use in sports, laboratories, and educational settings.