| Model: TKRS 31 Specifications | 
        
        
            | Light power | 
            >5 600 Lux at 3° flash duration and 0,3 m (12 in.) distance | 
        
        
            | Brightness (flash duration) | 
            adjustable, 0,2°–5,0° | 
        
        
            | Accuracy | 
            ±0,02% (±1 digit / ±0,025 µs) whichever is greater | 
        
        
            | Laser speed measurement | 
            Yes | 
        
        
            | Phase shift | 
            Yes with slow motion function | 
        
        
            | Run time ca. | 
            ca. 3:45 h @ 1° (100% display brightness) 
            ca. 8:15 h @ 0,2° (20% display brightness) | 
        
        
            | Display | 
            Multi-line backlight TFT | 
        
        
            | Power source | 
            3 x AA batteries (included) | 
        
        
            | Power adapter and charger | 
            N/A | 
        
        
            | External trigger range | 
            30 to 300 000 f/min | 
        
        
            | External trigger connection | 
            Plug: 3,5 mm TRS plug (included) 
            Input: 3 - 30 V / max. 5 mA (NPN) 
            Output: up to 30V / max 50 mA (NPN) | 
        
        
            | Signal modification | 
            Edge selection, Multiplier, Divider, Delay | 
        
        
            | Instrument dimensions | 
            225 × 78 × 50 mm (8.9 x 3 x 2 in.) |