Digital Laser Photo Tachometer RPM Meter Non-Contact Motor Speed Gauge SM6234E

TACHOMETER SM6234E

Display: 5digital, 18mm LCD
Range: 2.5~99999 RPM
       0.05~1666 Hz
         1~99999 Count
Resolution: 0.1 RPM   From :(2.5~999.9RPM)
1 RPM From:(above 1000RPM)
0.01Hz From:(0.05~99.99Hz)
0.1Hz From :(above 100Hz)
Accuracy: ± (0.05%+1digital) of reading
Sampling Time: 0.8second (over 60RPM)
Memory: Max. value, Min. value,
Last value. Can store 96s data.
Range Select: Auto-range
Time Base: 6MHz Quartz crystal
Detecting Distance: 50mm-500mm
Dimension: 155*70*35mm
Power: 3×1.5V AAA battery (Not included)