by Stege | Mar 17, 2019 | Posts
We know water and electricity do not mix, but water can appear in electrical enclosures unexpectedly from nowhere. Water from condensation causes tracking, leading to short circuits or earth/ ground faults that also increases fire risk. Keeping the relative humidity...
by Stege | Dec 5, 2018 | Posts
The ability of water to change from a gas to a liquid (condensation) and back to gas causes problems for many consumer and industrial products. Removing moisture from enclosures using solid-state dehumidifiers has many advantages over conventional methods. It is...
by Stege | Apr 4, 2018 | Posts, Selection
3rd,Apr, 2018 RYOSAI TECHNICA CO., LTD. Electrolytic Dehumidifier Department Notice : The changes of AC/DC power supply and terminal block, built-in electrolytic dehumidifier for Rosahl assemplies”. Due to production discontinuance of AC/DC power supply which...
by Stege | Jan 24, 2018 | Applications, Posts
Micro-dehumidifiers protect instrumentation from moisture damage Whether caused by water or water vapour, damage to instrumentation is both costly and dangerous. It is also avoidable. Installing micro-dehumidifiers protect instrumentation from moisture damage...
by Stege | Aug 31, 2017 | Posts
Reducing enclosure humidity. There are several methods of reducing enclosure humidity to avoid condensation. Flooding the enclosure with dry nitrogen is quick and effective, but may not be viable or practical. In contrast, other methods may leave the moisture...
by Stege | Jun 8, 2017 | Posts
Is the absolute dehumidifying capacity affected by ambient temperature and humidity? Rosahl membranes remove moisture from an enclosure. The manufacturer publishes dehumidifying capacity at 30° C and 60% RH as an indication of performance. This is not the absolute...
by Stege | Jun 6, 2017 | Accessories, Posts
Open and enclosed power supplies To ensure reliable operation of Rosahl membrane dehumidifiers under all operating conditions it is important to use a switching power supply (PSU) with the performance specified in the relevant membrane specification sheet. Service...
by Stege | May 16, 2017 | Posts
Is Rosahl waterproof? Rosahl dehumidifiers work by passing gasses through the polymer membrane to the outside of an enclosure. To achieve this, they must be porous to gas and vapour. However, they are not porous to solid particles or liquids under normal conditions....
by Stege | Apr 25, 2017 | Posts, Using Rosahl
Micro-dehumidifiers are used to air-dry small enclosures and cabinets up to 4m³. This removes the risk of moisture damage and condensation. They are used in electrical cabinets, instruments CCTV and a wide range of other applications. One of the many benefits of solid...
by Stege | Apr 18, 2017 | Selection
Electrolysis is the process by which ionic substances are decomposed (broken down) into simpler substances when an electric current is passed through them. Rosahl dehumidifiers are mounted over a cut-out in the side of the enclosure, and use a small electrolytic...