Specifications:
1. 5 digits 18mm (0.6") Yellow backlight LCD
2. Accuracy: ±(0.05%+1 digit)
3. Sampling Time: 0.5 sec (over 120RPM)
4. Range Select: Auto-Ranging
5. Memory: Max. value, Min. value, Last value. Can store 96s data.
6. Time Base: 6MHz Quartz crystal
7. Detecting Distance: 50~500mm
8. Measuring Range:
1) Photo Tach: 2.5~99,999RPM
2) Contact Tach: 0.5~19,999RPM
3) Surface Speed: 0.05~1,999.9m/min
9. Resolution:
1) Photo Tach: 0.1RPM (2.5~999.9RPM); 1RPM (over 1,000RPM)
2) Contact Tach: 0.1RPM (0.5~999.9RPM); 1RPM (over 1,000RPM)
3) Surface Speed: 0.01m/min (0.05~99.99m/min); 0.1m/min (over 100m/min)
10. Battery: 4 x 1.5V AA battery
