Yongxin ZQX-1000 paper Porosity Tester Schopper method
SE
0~1000ml/min10±0.02cm²
Measurement range 0~1000ml/min, test area 10 +/- 0.02cm ², test area pressure 1 +/- 0.01kPa, Measurement accuracy +/- 1ml (< 100ml ); +/- 5ml (> 100ml), clamp ring inner diameter 35.68 +/- 0.05mm, upper and lower clamp ring center hole coaxiality < 0.05mm.