| Measuring Ranges | 
             | 
        
        
            | RPM | 
            Non-Contact: 1.00 - 99,999 rpm 
            Contact: 1.00 - 19,999 rpm | 
        
        
            | Surface Speed | 
            0.30 - 6,500 feet/min 
            0.10 - 1,999 meters/min 
            4.0 - 78,000 inches/min | 
        
        
            | Length | 
            0.01 - 99,999 feet 
            0.02 - 99,999 meters 
            1.0 - 99,999 inches | 
        
        
            | Resolution | 
            .01 from 0 - 100 
            .1 from 100 - 1,000 
            1 from 1000 - 99,999 | 
        
        
            | Yarn/Wire Diameter (max.) | 
            Yarn: 1mm Wire: 0.3mm | 
        
        
            | Accuracy | 
            ± 0.02% of reading or 1 digit | 
        
        
            | Display | 
            5 - Digit LCD, 10mm high | 
        
        
            | Decimal Point | 
            Automatic | 
        
        
            | Memory System | 
            Maximum, minimum, and last reading (retained in memory for the life of the batteries) | 
        
        
            | Measurement System | 
            Non-Contact: Visible LED light beam 
            Contact: Contact adapter | 
        
        
            | Sensing Distance | 
            Up to 14 inches (350mm) | 
        
        
            | Display Update Time | 
            0.5 seconds or one measuring | 
        
        
            | Auto Power Off | 
            After 30 seconds of non-use (minimum, maximum and last reading retained in memory) | 
        
        
            | Battery Life | 
            20 hours continuous use | 
        
        
            | Weight | 
            6 ounces (170 grams) | 
        
        
            | Housing Material | 
            ABS Plastic | 
        
        
            | Operating Temperature | 
            32 to 122º F (0 to 50º C) | 
        
        
            | Storage Temperature | 
            -4 to 150º F (-20 to 70º C) |