Gastec P-5 Permeation Tube Sulphur DioxideIndonesia Industrial Parts

GASTECP-5 Permeation Tube Sulphur Dioxide

Although technology is always evolving, one demand for our products never changes: the demand for customer safety. Whenever we contribute to customer safety, we are presented with an opportunity to develop further. GASTEC holds this corporate creed of safety and development in high esteem, as it strives to grow while always putting customer safety first.

Gastec P-5 Permeation Tube Sulphur DioxideGastec P-5 Permeation Tube Sulphur Dioxide Generating calibration gas with a permeation tube. Concentration range 0.04 – 3.6 ppm.

Generating Calibration gas with a permeation tube
A permeation tube is a fluoro resin tube that contains high-grade liquefied gas. When the tube is exposed to a certain temperature, liquefied gas penetrates the tube wall by osmosis in time increments enabling a specific quantity of gas to be retained in the tube. Consequently, a carrier gas flowing at a constant speed (for calibration purposes) can be continuously generated by keeping the tube at a fixed temperature and infusing a constant quantity of dilution gas. This method is highly reliable because the concentration of the calibration gas is determined by calculating the decrease in weight of the permeation tube and the quantity of dilution gas. This dynamic method also enables highly reactive gases such as chlorine, hydrogen sulphide, or ammonia to be generated. As shown in the table below, there are many different kinds of permeation tubes and they are widely used because they can provide a stable supply of calibration gas.

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