Features:

• Measure rpm from 5 to 99,990rpm with microprocessor quartz crystal accuracy of 0.05%
• Large LED display updates 1/sec (rpm<60)
• Resolution: 0.1rpm (5 to 1000rpm), 1rpm (1000 to 999rpm), 10rpm (10,000rpm to 99,990rpm)
• Unique design permits rpm measurements of a one hole gear or disk eliminating the need for special gears;
• Optional proximity and photo sensors

For complete specs please download the product datasheet (not available for some accessories)