| Digital Display | 
            5 Digit LED - displays input or output speeds | 
        
        
            | Speed Range | 
            3 – 100,000 rpm in 4 ranges | 
        
        
             | 
            4 position Selector switch | 
        
        
            | Speed Adjustment | 
            Fine adjust via multi turn potentiometer | 
        
        
            | Accuracy | 
            ± 0.01% ± 1 digit | 
        
        
            | Resolution | 
            Autoranging max. 0.001 rpm | 
        
        
            | Output Facilities | 
            LED attachment for Optical Tachometers TL pulses for Digital Instrumentation | 
        
        
            | Input Facilities | 
            Optical Sensors [supplied] ( can be used for Stroboscope calibration), Proximity Sensors 
            3 wire 10-30vdc types, TTL input & magnetic Sensors | 
        
        
            | Sensor Supplies | 
            5vdc & 12vdc | 
        
        
            | Controls | 
            Signal in/out switch for Tachometers or Strobes | 
        
        
            | Input/Outputs | 
            Strobe output Via 3.5mm Stereo socket | 
        
        
            | Signal Input | 
            Via 5 pin DIN socket |