AMF072 Non-contact Tachometer
1. Hold the maximum value, minimum value, average value and the last measured value.
2. Fully display operation instruction and unit symbol, which is concise and explicit.
3. Wide measuring range and high resolution.
4. Battery low power indication, LCD backlight display, and auto shutdown.
5. Adopt the latest microprocessor technology and laser technology, which enables the instrument to be more intelligent and reliable.
6. Oversized screen LCD display, with clear indication.
7. Solid and delicated structure. The entire machine adopts durable and optimized electronic elements, and the shell adopts light and solid ABS plastic, with beautiful appearance and convenient use.
1. LCD display: 5-digit large screen LCD display, 
2. with word height of 18mm
3. Unit: rpm
4. Range: 2.5-99999rpm
5. Resolution ratio: 0.1rpm (2.5~999.9rpm); 1rpm (1000~99999rpm); 
6. Basic precision: ±0.1%n+5drpm (2.5~999.9rpm); ±1%n+5drpm (1000~99999rpm)
7. Laser power: CLASS II 2-5mW
8. Sampling ratio: Once / second
9. Measurement distance: 50~500mm
10. Time base: Quartz crystal
11. Automatic shutdown: The instrument will shut down after 60 seconds without any pressing
12. Operation environment: 0~50ºC, 32~122ºF; 10~90%RH
13. Storage environment: -10~80ºC, -14~176ºF;10~75%RH
14. Power supply: 2*1.5V AAA battery
15. Dimension: 55.7*29.9*127mm
16. Weight: 106g
17. Equipped with 3 bars of silver reflection tag (200mm*12mm)