1) 5 digits 18mm (0.6") White backlight LCD

2) Accuracy: ± (0.05%+1 digit)

3) Sampling Time: 0.5sec (over 120RPM)

4) Range Select: Auto-Ranging

5) Memory: Max. Value, Min. Value, Last value

6) Can store 96s data

7) Power Consumption: Approx 45mA

8) Time base: 6MHz Quartz crystal

9) Time base Accuracy: 10x10-6(0~50℃)

10) Measuring Range: CONTACT TACH: 0.5~19, 999RPM

11) SURFACE SPEED: 0.05~1, 999, 9m/min

12) Resolution: CONTACT TACH: 0.1RPM (0.5~999.9RPM) 1RPM (over 1,000RPM)

13) Surface speed: 0.01m/min (0.05~99.99m/min) / 0.1m/min(over 100m/min)

14) Battery: 4 x 1.5V AA batteries (not include)

15) Size: 17.5cm x 7cm x 3.5cm