TELEDYNE GURLEY 4190 DENSOMETER W/ CONTROL UNIT

904032.013 The TELEDYNE 4190 is primarily used as a densometer and smoothness tester by Gurley Precision Instruments1. It is commonly employed to measure the air permeability, softness, and smoothness of various materials such as paper, textiles, and nonwovens. The device can assess the air flow through a sample for porosity tests and leakage across its surface(s) for softness or smoothness.