| Detection method | Contact method | 
                    
                        | Display | 5-digit LCD (10.5-mm character height) | 
                    
                        | Measurement update time | 1-s automatic update (2-s update for Lo range : 0.5 to 1.0 r/min) 1-s automatic update (2-s update for Hi range : 5 to 10 r/min)
 | 
                    
                        | Rotation speed measurement range | 0.5 to 10,000 r/min (Lo : 0.5 to 2,000.0 r/min, Hi : 5 to 10,000 r/min) | 
                    
                        | Circumferential speed measurement range | When the KS-200 circumferential ring (provided) is used : 0.05 to 1000.0 m/min When the KS-100 circumferential ring (option) is used : 0.5 to 10,000 mm/s
 | 
                    
                        | Measurement accuracy | Low (Lo) range: 0.5 to 1249.9 r/min speeds Within ±0.1 r/min 1250.0 to 2000.0 r/min speeds Within ±0.2 r/min
 High (Hi) range: 5 to 10,000 r/min speeds Within ±1 r/min
 | 
                    
                        | Memory function | 10 data can be memorized. | 
                    
                        | Data hold function | Auto power off when 30 seconds have elapsed after the end of measurement. | 
                    
                        | Low battery indication | The “LOW” mark is displayed when the battery voltage falls below 3.3 V. | 
                    
                        | Over-range display | An “ERROR” mark is displayed. | 
                    
                        | Power source | Three AAA-type batteries (1.5 V) Continuous measurement time: Approx. 20 hours (when alkaline batteries are used, at 20ºC)
 | 
                    
                        | Operating temperature | 0 to +40ºC | 
                    
                        | Storage temperature | -20 to +55ºC | 
                    
                        | Outer dimensions | 63 (W) x 172 (L) x 38.5 (D) mm | 
                    
                        | Weight | Approx. 200 g (including batteries) | 
                    
                        | Accessories | 
                        Contact tip for rotation measurement (KS-300) 2 pieces(One tip can be stored in the back side pocket main body)
 Circumferential ring (KS-200, m/min) 1 piece(can be stored in the back-side pocket of main body)
 AAA-type batteries 3 pieces User’s manual 1 copy |