2. Linear slideway sliding, DC motor drive, PI control algorithm speed control, so that the instrument runs smoothly and the noise is low.

3. This instrument is operated for no pole speed regulation, and the customer is free to set speed according to the test requirements.

4. The user can set up the required mode of work according to the needs, and the instrument has a variety of options:

Counting method: number count, time count;

Counting mode: add count, reduce count.

5. At the same time, set-up and pilling counts can be set at the same time. In the test interface, it can be switched by stop key, and no number of values need to be set again and again.