• Constant pressure shaft clamp
• State of the art Measurement system is firmware updatable to be future proof
• Less than .5 CPM to 30,000 CPM count in 0.01 CPM increments
• 16 cycle counts for accuracy
• Selectable average from 1 to 5 readings
• Built in error detection
• Lithium battery for hours of operation
• Operational during charging
• Can be powered from any standard USB port for charging and operation

Why Frequency? Find Out Here