HYELEC MS6208B Non-Contact Digital Tachometer speed square Tachometer

The MS6208B is a Non-Contact digital tachometer with stable performance, high reliability and high safety performance. The core component of the meter is a compact high-speed integrated chip. The meter calculates the exact rotation speed value through a reflected light sampling process. With a compact design, it is a meter with superior performance.
The LCD is backlit to allow making and reading measurements in low light conditions.
Specifications:
Non-Contact Measurement: 50~99999RPM ±(0.03%+2)
Measuring Distance: 50mm~250mm
Auto Power Off: 30S
Data Logging: 100 groups
MAX/MIN/AVG Functions: √
m/min m/sec ft/min ft/Sec in/min unit selection: √
Data Hold: √
Display Back light: √
Low Battery indication: √
Power Supply  4x1.5AAA Battery(Not Included)
Package size: 19 * 11 * 6cm / 7.6 * 4.4 * 2.4in
Package weight: 288g / 9.6 oz
Package list
1 * PEAKMETER MS6208B Non-Contact Digital Tachometer
1 * Portable Bag
1 * English Instructions
Battery(Not Included)