Puffing Curve Tester

　　The PPA-11 is used in conjunction with the smoking machine. It is to be connected to the puffing end to perform the smoking operation of the smoking machine. The instrument can automatically measure the dynamic puff volume of the smoking machine and draw a line chart.After the puff progress, the instrument can calculate the puffing time, the time of the highest puffing rate, the maximum puffing rate and the capacity of one single puff.