Model S684-3 Three-Cell Automated Water Vapour Diffusion Apparatus

General Description

A Water Vapour Diffusion Apparatus (WVDA) is an instrument that is used to measure the rate at which water vapour diffuses through fabrics.

The Model S684-3 Automated Water Vapour Diffusion Apparatus (AWVDA) is a multi-cell system that enables an operator to run three separate tests simultaneously under computer control.

The model S684-3 AWVDA consists of a workstation supporting the test hardware, a data acquisition module and interface boards that mount in a PC.

The workstation provides space for three Water Vapour Diffusion (WVDC) Cells on laboratory retort stands and three associated auxiliary water reservoirs mounted on top-loading balances.

The workstation also provides mounting for the cell water fill reservoirs and the drying columns, flow meters, regulator and tubing for the dry air supply system.

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