Description Lutron DT-1236L is one instrument combine Photo tachometer and contact tachometer. Photo Tachometer : 10 to 99,999 RPM, resolutin 0.1 RPM ( < 1,000 RPM ). Contact Tachometer: 0.5 to 19,999 RPM, resolutin 0.01m/min. ( < 100 m/min. ). 01. RPM resolution for the measured value < 1000 RPM High precision with 0.05% accuracy The last value, max. value and min. value will be stored into the memory automatically and can be obtained by pressing Memory Call Button Laser light beam for photo tachometer, long measuring distance Large LCD display
