LZ121 Air Permeability Tester
Product Features
1. Under specified conditions, the average air flow rate per unit area of paper under unit time and unit pressure difference;
2. Many kinds of paper, such as cement bag paper, paper bag paper, cable paper, copy paper and industrial filter paper, need to measure their air permeability. This instrument is designed and manufactured for these kinds of paper.
Technical standards

Items	Parameters
Test range	0-17μm(Pa.s)
Pressure area	10±0.05cm
Accuracy	<100ml,volume error:1ml;>100ml,volume error;5ml
Pressure of specimen	1±0.01KPa4
Sample size	60*100mm
Probe neutral error	0.05mm
Weight	350*250*1160mm