The OxyFerm FDA Arc is an electrochemical oxygen sensor suited for applications with high demands for hygiene, e.g. in pharmaceutical industry, in biotechnology and in food & beverage production. It is available with 12 mm or 25 mm (XL) shaft diameter. When using Oxylyte USD (UpSide Down) electrolyte, even upside-down insertion is possible. The sensor is equipped with a FDA approved membrane for use in hygienic processes. It withstands steam sterilization, autoclavation and CIP cleanings.