Features:
1. Portable, easy to hold in hands and opreate.
2. With a digital display screen, easy and convenient to read numbers.
Specifications:
Working current: up to 40mA
Memory: Automatically remember the maximum, minimum, and last measured values
Time base: 6MHz quartz crystal
Time base accuracy: 10X10-6 (0degree~50degree)
Measuring range: 2.5-99999 rpm (RPM)
Resolution: 0.1RPM (2.5 ~ 999.9RPM)
1RPM (1000RPM or more)
Accuracy: ± (0.05% +1 words)
Sampling time: 0.5 seconds (120RPM or more)
Range selection: automatic switching
Effective distance: 50mm - 500mm

Package List:
1 x Digital Tachometer