Tachometer (DT-2857) - Laser Type
 

Tachometer  (DT-2857) - Laser Type is applicable to the product departments of motor, fan, paper-product, plastics, chemical fiber, washing-machine, automobile airplane, steamer etc.
 

Measuring range: 
Rotative velocity: 2.5~99999r/min (Laser) 
Laser tach detecting distance: 50~600mm 
Accuracy: +/- (0.05%n +1d) 
Resolution: 0.01/0.1/1 
Memory: max/min/last value 
Power supply: 4x1.5V AA (UM-3) battery 
Battery indicator: low battery indicator 
Dimensions: 146x71x25mm  (5.75x2.8x0.99 inch)
Weight (not including probe): 114g/0.25lb