Photo Tach	5 to 100,000 RPM autoranging
Contact Tach	0.5 to 20,000 RPM autoranging
Surface Speed	0.2 to 6,560 ft/min, 0.05 to 2,000 m/min
Display	5 digit, 0.4" LCD with function enunciator
Resolution	0.1 RPM, 0.1 ft/min, 0.01 m/min
Accuracy	± 0.05%+1digit
Photo Tach Detecting Distance	2" to 6", max 12"
Sampling Time	1 second
Memory	last value, Max/Min
Size	8.5" x 2.6" x 1.5"
Weight	10.6 oz
Power	4 x AA batteries
Accessories	RPM cone adapter, RPM funnel adapter, surface speed test wheel, reflective tape, carrying case

This is a very versatile tachometer which combines both photo and contact tachometer into one compact unit. It incorporates microprocessor chip to provide very wide dynamic range, high resolution, high accuracy and the data storage memory for easy analysis. It is used to check the rotation or linear movement speed of objects such as motor, engine, machine tools, belt and conveyer. It is light weight, durable and easy for one hand operation. It is a perfect tool for auto mechanics, manufacturer and maintenance personnel.