5 Large Screen LCD Display, Digit Height 10mm

Test Range :

Photoelectric Speed Mode : 2.5 – 99.999RPM

Touch Speed Mode : 0.5 – 19.999RPM

Contact Wire-Speed Mode : 0.05 – 1,999.9m/min

SURFACE SPEED (ft/min) : 0.2 to 6560ft/min

Resolution :

Photoelectric Speed : 0.01RPM (2.5 – 999.99RPM); 0.1RPM (1.000 – 9,999.9RPM); 1RPM (10.000RPM or More)

Contact Tachometer : 0.01RPM (2.5 – 999.99RPM); 0.1RPM (1.000 – 9,999.9RPM); 1RPM (10.000RPM or More)

Contact Line Speed : 0.01m/min (0.05 – 99.99m/min); 0.1m/min (100m/min More)

SURFACE SPEED (ft/min) : 0.1ft/min (0.1 to 999.9ft/min); 1ft/min (1000ft/min More)

Accuracy : ±(0.05%+1digit)

Sampling Time : 0.5 seconds (120 RPM above)

Range Selection : Automatic Switching

Power Supply : 4 x 1.5V AA Battery

Working Current : 45mA