For measuring the mean flowrate of pulsating gas flow,damping chamber is set between the pulsating source and the flowmeter to damp the pulsating effects.

• 在用节流流量计测量周期性脉动气流的平均流量时，需要在脉动源与流量计之间添加稳压箱以减弱脉动对流量计的影响。