Tekneka T4480
The Tekneka T4480 digital contact tachometer measures from 0.5 ~ 19,999 revolutions per minute (RPM) using contact method. It includes a crystal time base and microprocessor LS-I circuit for improved measuring speed and accuracy. The T4480 boasts good resolution and a wide measurement range. It also saves the most recent, minimum, and maximum values for future use. It has an automated power-off mode that increases battery life and is powered by 4 x 1.5V AA batteries. This tachometer is designed for long-lasting use with a sturdy ABS plastic casing.