Rosahl low temperature dehumidifier operates below freezing

  The Rosahl membrane dehumidifier is designed to work below freezing and effectively throughout its operating temperature range of below -20C to +50C (-4 to 122F). Operating below freezing is unusual for an electrical dehumidifier, but Rosahl membrane dehumidifiers are not affected by the freezing point of water as they operate at the molecular level. Rosahl works like an ionic pump and is often referred to as an ionic membrane dehumidifier.  When a low voltage (3V D.C.) is applied to the membrane, the moisture on the inside of the enclosure breaks down (dissociates) into hydrogen ions...

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Specification change to lightweight moulded model RDH-3P1

  LED change to dehumidifier RDH-3P1 The RDH-3P1 is a lightweight moulded version of Rosahl that combines the solid state dehumidifier element and a power supply suitable for 110/240 V applications.  The C-M1J humidity controller is optional.  This model is CE marked and RoHS compliant. From October 2014 production, the power LED in the RDH-3P1 will change as the manufacturer has discontinued the part used. The current model power-on LED glass is green and bright green powered.  The replacement LED will be colourless/clear when unpowered and bright green when powered. Go here to open...

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Solid-state micro dehumidifiers at Photonex 2013, the UK’s premier photonics fair

  Rosahl solid-state micro dehumidifiers will be exhibited in the UK for the first time at the Photonex 2013 Exhibition and Conference in Coventry at the Ricoh Arena on 16 and 17 October 2013. Rosahl was developed in response to a demand for compact, maintenance free, air drying solutions to protect sensitive devices from moisture damage. Designed for industrial and commercial applications, Rosahl offers a new way to protect sensitive optical and electronic devices from moisture. Rosahl is silent, vibration-free, maintenance-free, long lasting, and inexpensive to run. Rosahl is a...

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How do ionic membrane dehumidifiers compare?

High levels of water vapor or moisture can lead to extensive damage of natural materials, electronics, optics and many other equipment and products so how do ionic membrane dehumidifiers compare with the alternatives? If you think about it, removing water vapor is a lifetime’s work and the solution need to be efficient and cost effective. The two most popular methods of removing moisture from enclosures and small spaces are absorption and condensation.   Other popular methods include heat rods and air purging: all have advantages and disadvantages. Absorption types Typically,...

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Rosahl ionic membrane dehumidifier on YouTube

    Designed for industrial and commercial users, the Rosahl ionic membrane dehumidifier offers a revolutionary way to protect sensitive optical and electronic devices from moisture damage, and now you can watch air dry on our two minute video on YouTube. Rosahl uses an electrolytic membrane to remove moisture at a molecular level when a 3 volt dc supply is connected.  The moisture is expelled as a gas: water is not produced and there is no need for cleaning or draining.  The membrane will also last for up to eight years before it needs to be replaced. Rosahl membranes effectively...

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Photonex UK 2013 Exhibition-see Rosahl there

  Photonex 2013 is the UK’s showcase exhibition dedicated to photonics, applied optical equipment, biophotonics, fibre optics, lasers, vision & light.  This year’s event will be held at the Ricoh Arena in Coventry on 16 &  17  October 2013.  We will be exhibiting Rosahl dehumidifiers in the EPIC Pavilion at stand F21 Three exhibitions and conference In addition to photonics, the event offers visitors the opportunity to visit a number of associated events Biomedical and Biophotonic applications, Vacuum Expo, and Vision UK.   Running concurrently will be a two day Conference...

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Photonix Exhibition 2013 – photonics and laser light

Rosahl exhibiting at Photonix 2013 – photonics and laser light exhibition  Tokyo Japan, 10-12 April 2013 Ryosai Technica Company will be exhibiting their latest generation of Rosahl compact solid state dehumidifiers, designed to protect opto electronic devices from moisture damage due to high humidity. Optical laser technology has played an important role in technological innovation electronics, automotive, telecommunications, energy, medical, and in a variety of areas, the rapid growth in demand is expected to accelerate.  However many device are sensitive to high levels of humidity...

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Revolutionary humidity control

Rosahl is an electric dehumidifier smaller than a bag of silica gel and provides a long term solution to humidity control.  It is a family of solid-state micro dehumidifiers specifically designed for drying small enclosures of up to 2m³, although large volumes are also possible.  Rosahl’s unique solid polymer membrane removes moisture through electrolysis. It needs no maintenance; is silent and vibration free; has a low running cost, is very compact and has a long service life. Rosahl offers a unique micro drying solution for OEM industrial and commercial applications and can also be used to...

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Protect opto-electronics from moisture

Rosahl is a solid-state micro dehumidifier designed to protect sensitive electronic and opto-electronic devices from moisture damage.  It uses a solid polymer electrolyte to remove moisture from enclosures from 250ml up to 2m³. According to specialist technical consultancy ERA Technology, printed circuit boards (PCBs) can also suffer from a variety of problems if the surface is contaminated with electrically conducting materials. Combined with moisture, this results in a lowering of resistance between tracks and pads and can lead to corrosion of metals. (Click link to see the full article on...

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Stop lens fogging in HD CCTV systems