Product Information
- The measuring range of rotational speed of this product can be as low as 10RPM and as high as 99999RPM to meet general needs.
- It can be accurately measured without touching object with high accuracy.
- It features automatic power off control without operation within 15min to keep safety, you don't worry if you forget to turn it off.
- When the voltage is above 4.8V, you will be prompted to guarantee the long service life.
- It is applicable to schools, factories, environmental protection bureaus, laboratories, research institutes, automobile maintenance testing and other fields.



















