The Bohr resonance instrument in the laboratory is networked or stand-alone.

Because this kind of equipment in the laboratory involves some sensitive data and needs privacy, it is generally a stand-alone version and will not be networked, which ensures the security of data.

The intelligent Bohr * * vibration experimental instrument adopts large-screen LCD display, which can be operated as a single machine like a traditional instrument, and can also form an experimental network system with a single machine or multiple machines (unlimited number) and a computer (single machine).

The following experiments can be completed with this instrument:? Measure the damping coefficient of the balance wheel. ? The influence of different damping moments on forced vibration is studied, and the phenomenon of * * * vibration is observed. ? The amplitude-frequency characteristics and phase-frequency characteristics of forced vibration of elastic balance wheel in Bohr vibrometer are studied. ?

Instrument parameters

Spring stiffness coefficient k: free vibration period change is less than 2%.

Time measurement (10 cycle): the accuracy is 0.0 1 second.

When there is no electromagnetic damping, the damping degree of the system: the amplitude attenuation is less than 2 "at a time.

Amplitude measurement: error 1 ゜.

Phase difference measurement (secondary phase difference is less than 3゜): The measured phase difference is between (40 ~ 140 ゜) and theoretical calculation, and the error is less than 2 ~ 3.