Digital Laser Photo Tachometer RPM Meter Non-Contact Motor Speed Gauge DT6234B

TACHOMETER DT6234B

Display: 5digital, 18mm LCD
Range: 2.5~99999 RPM
Resolution: 0.1 RPM   From:(2.5~999.9RPM)
1 RPM From :(above 1000RPM)
Accuracy: ± (0.05%+1digital) of reading
Sampling Time: 0.5econd (over 120RPM)
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: 160*72*37mm
Power: 4×1.5V AAA battery (Not included)