Veterinary Endoscope Instrument Veterinary Endoscope instrument adopts small size and high pixel image sensor with a large 120°FOV.With a high performance LED cold light source and 5-inch high definition display,Veterinary endoscope can provide a clear visual for the vet to inspect. Veterinary endoscope,Veterinary endoscope Sales,Veterinary endoscope Wholesale,Veterinary endoscope Price Zhengzhou Runde Dellonscope Co.,Ltd. , https://www.china-borescope.com
In terms of the location of the sound, the noise of the pump has the following possible aspects:
(1) the impact of the rotary vane on the cylinder, the residual volume of the pump and the sound of the pressure oil in the exhaust dead space;
(2) the impact of the exhaust valve plate on the valve seat and the support member;
(3) The echo and bubble bursting sound inside the box;
(4) bearing noise;
(5) Noise caused by a large amount of gas and oil impacting the oil deflector;
(6) Others. Such as noise caused by the transmission, fan noise of the air-cooled pump, etc.
(7) Motor noise, which is a crucial factor.
Noise analysis of rotary vane vacuum pump
The noise of a rotary vane vacuum pump usually refers to the noise level measured by the pump under extreme vacuum when the temperature is stable. It includes the noise of the pump itself and the motor noise. It is also concerned with the noise during the start-up phase when the pump temperature is not stable and the noise at different inlet pressures, as well as the noise during the operation of the open gas town. therefore. There are many factors to consider.