Corrosive gas dosing system – Installation kit
Pollutants in the atmosphere such as sulfur dioxide, hydrogen sulphide, nitrogen dioxide or chlorine gas can cause considerable corrosion damage to materials, components, assemblies, devices and buildings. Corrosive gas testing is crucial in the areas of research, design and quality assurance in order to assess the suitability and reliability of materials for specific applications and to prevent corrosion failure. To ensure comparable results, these tests are carried out according to different testing standards. Sophisticated corrosion testing systems are therefore essential for the systematic investigation of corrosion patterns (corrosion susceptibility/corrosion resistance).
Unique corrosive gas dosing system
Based on our extensive expertise in dynamic olfactometry and the resulting expertise in the mixing and dilution of gases, we have developed a unique corrosive gas dosing system.
This system enables extremely precise adjustment of the corrosive gas dosage, even at very low concentrations, and at the same time ensures ideal homogeneous mixing of the corrosive gases with the carrier gas.
Scheme of our corrosive gas dosing system
Example: IEC 60068-2-60 Corrosion test with flowing mixed gas
Specially designed user software
At the same time, we have developed a specially designed user software to guide you through all standardised processes – entirely secure and uncomplicated.
It offers an intuitive user interface that guides you step by step through the entire corrosion testing process. This optimises your workflow and increases your efficiency.
Our gas dosing system fits climate chambers of all sizes
Our corrosive gas dosing system can be easily adapted and integrated into different climate chambers of various sizes and can also be seamlessly integrated into existing climate chambers. If you have an older climate chamber that you no longer use, we have the perfect solution for you. We can custom-fit our state-of-the-art corrosive gas dosing system into your existing chamber. This will save you money and increase the usability of your existing chamber, as the PMMA box can also be removed, making your climate chamber available for climate measurements again.
Thanks to this adaptability, we can offer you extremely versatile solutions that can be customised precisely to your specific requirements and the conditions of a wide range of test environments. Contact us today to find out more about this efficient and cost effective option.
Key facts
- Ideal results thanks to high-precision corrosive gas dosing using a high-quality mass flow controller
- Ideal injection of the corrosive gases in the carrier gas free jet and homogenization by diffuser expansion before entering the test chamber. As a result, even the smallest concentrations in the range of 10 ppb are homogeneously mixed and brought into the test chamber in the specified concentration.
- Continuous monitoring of the air exchange rates and gas concentrations by three independent parameters with automatic switch-off when the process parameters are exceeded. These must include the recording and control of the test chamber internal pressure, the carrier air inflow rate, the supply air rate of the corrosive gas dosing and the fan characteristics in relation to the speed
- Regulation of the air exchange rate by means of a flow sensor at the inlet of the corrosive gas test chamber. This ensures correct concentrations in accordance with the corresponding standard when the corrosive gases enter the test chamber, preventing concentrations from increasing above the standard value.
- Software specially developed for the application of corrosive gas testing, which guides the user through the individual process steps in a user-friendly manner
- Clear view of the test material thanks to high-quality acrylic glass windows (polymethyl methacrylate) that enable transparent observation
- Compliance with industry-leading test standards such as IEC 60068-2-60, IEC 60068-2-42/43 and others to ensure reliable test results
Performance characteristics
- Possible test gases: hydrogen sulphide (H2S), sulphur dioxide (SO2), chlorine gas (Cl2) with carrier gas N2, nitrogen dioxide (NO2) with carrier gas synthetic air, and others
- Dosing of up to four corrosive gases with 4 corrosive gas dosing lines in the range 1-100 ml/min
- Pressure monitoring as an integrated safety device for reliable operation
- Connection for gas sampling for further analysis
- Testing of the corrosive gas concentration optionally possible with dry air or nitrogen
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