Microset Instrumentation & Controls manufactures Ozone Amperometric Sensors. Microset Instrumentation & Controls also manufactures wide range of transmitters and sensors. Ozone Amperometric Sensors is available with amperometirc dual electrode system with replacement membranes. It is available in two types, 2 pole and 4 pole. It is available with Gold Cathode, Silver/Silver Halogenid Anode. It is provided with Severn Series for measurements when surfactants present.