Digital Laser Photo Tachometer RPM Meter

- Digital display gives exact RPM with no guessing or errors
- The last value/max. value/min. value will be stored for next time it's turned on
- Test Range: 2.5 to 99,999 RPM (r/min)
- Resolution: 0.1 RPM (2.5 to 9,999 RPM ). 1RPM (over 1,000 RPM)
- Accuracy: ±(0.05%+1 digit)
- Sampling Time: 0.8 sec.(over 60 RPM)
- Test Range Select: Automatic
- Memory: Last value, Max. Value, Min. Value
- Detecting Distance: 50 to 200mm/2 to 10 inch (LED), 50 to 500mm/2 to 20 inch (Laser)
- Time Base: Quartz crystal
- Circuit: Microcomputer LSI circuit
- Power: 9V battery
- Comes with 3x reflective tape markers