Maintenance-free dehydrating breather

Moisture is a leading cause of transformer aging. Avoiding moisture ingress into the transformer is of paramount importance to avoid outages and maximize the lifetime of the asset. 

Hebei Maier Maintenance-free dehydrating breather increases transformer reliability, reduces operating costs, is maintenance-free and easy to install.

Continuous moisture absorption is ensured by two independent silica gel tanks working alternatively on time-based or condition-based principles.

Hebei Maier offers a wide range of self-dehydrating breathers for various applications.
 
Product scope

·Smart grid applications

·Qualified as TXpertTM Ready Sensor to connect with CoreTecTM 4, the TXpertTM Hub 

·Available as condition based or time-based technology

·Suitable for new installations and retrofits

·Data monitoring available through Modbus and 4-20 mA

·Compatible with EN and DIN standards

Qualitrol’s newest Smart Transformer Breather removes moisture from the air entering oil-filled transformers and load tap changer conservators. This maintenance free dehydrating breather is automated to regenerate the silica gel desiccant at a user selectable time, relative humidity (RH) or PPM thresholds.

Regenerating the silica gel automatically eliminates the need to manually replace the desiccant, reducing maintenance costs over time. Alarms and digital communications allow for remote monitoring of moisture levels and breather status. No external cabling makes the new Qualitrol Smart Breather the most robust and reliable breather on the market.

Advantages of the Qualitrol STB Series Smart Breather:

·First universal, maintenance free breather for both LTC and Main Tank applications

·Standard 5 years warranty on all smart breather models

·c5M coating on all smart breather models

·IP66 enclosure rating

·Recommended for use on medium/large transformers

·Single side mounted indication LED indicates quick and easy status

Smart Breather Accuracy that Saves You Time & Money

Not all dehydrating breathers are created equal. There is now a smart breather that can trigger regeneration based on Part Per Million (PPM) of moisture. Why is this important?

PPM is the most direct measure of moisture content. It is no surprise that only dry breathers protect your tank. Accurately determining the moisture content of a breather’s desiccant is critical to properly regenerating a dehydrating breather and keeping your asset continuously protected. Traditionally, regeneration was triggered on % Relative Humidity (%RH), a measure of how much moisture is currently in an air sample but that is heavily affected by temperature changes. This means that just the daily ambient temperature rise each morning will most commonly cause %RH to decrease despite the true moisture content remaining the same or increasing.

PPM measurement takes temperature out of the picture, leaving a simple direct measure of moisture, and ensuring that you have continuous protection for your asset and eliminating nuisance alarms caused by temperature changes. A more accurate measure of moisture means a more accurate regeneration schedule which ensures that you have a dry desiccant ready to absorb water.