Measuring range: rotative velocity laser 2.5-99999r/min Laser tacho detecting distance: 50-600mm Accuracy: +/-(0.05%n+1d)

Application: applicable to the product departments of motor, fan, paper-product, chemical fiber, washing-machine, automobile, airplane, steamer etc.Measuring range: rotative velocity laser 2.5-99999r/minLaser tacho detecting distance: 50-600mmAccuracy: ±(0.05%n+1d)Resolution: 0.01/0.1/1Memory: max/min/last valuePower supply: 4x1.5V AA (UM-3) batteryBattery indicator: low battery indicatorDimensions: 146x71x25mmWeight (not including probe):114g