Description 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 ± (0.05% 1 digit), revolutions only. The last value, max. value and min. value will be stored into the memory automatically and can be obtained by pressing Memory Call Button Large LCD display Power supply: 4x 1.5V AA batteries Package contents: Plastic case Reflective tape (600 mm) Cone rubber attachment (AS-35A) Rubber funnel attachment (AS-35B) Surface speed attachment (AS-35C)
