Digital Handheld RPM Stroboscope rotating or Vibrating Object rotary speed velocity FPM battery powered

Measuring range: 60 ~ 40000RPM/FPM 

RPM: R / min 

FPM: F / min 

Coarse / fine tuning range<400RPM, 

Coarse tuning: 1RPM/FPM 

Fine tuning: 0.01RPM/FPM 

             < 4000RPM, 

Coarse tuning: 10RPM/FPM 

Fine tuning: 0.1RPM/FPM 

            < 40000RPM,

Coarse tuning: 100RPM/FPM 

Fine tuning: 1RPM/FPM 

Accuracy: 0.05% 

Resolution:<400RPM: 0.01RPM/FPM 

<4000RPM: 0.1RPM/FPM

<40000RPM: 1RPM/FPM

Time base: 10MHz industrial grade quartz crystal

Display5 digits LCD with backlight,  Max. indication: 40000 

Power supply: 4 × 3.7V(14500) AA Lithium ion rechargeable batteries

Power loss: Approx. 60mA 

Dimensions: 195 × 73 × 38mm 

Weight:Approx. 220g