PreSens Precision Sensing GmbH was founded in 1997 as a spin-off of the University of Regensburg. The company combines longstanding experience of numerous researchers in the fields of electrical engineering and sensor development. PreSens offers a wide range of sensor systems for non-invasive and micro-invasive measurement of oxygen, pH and CO2 to end users in the fields of bioprocess control, bio- and environmental research, the food and beverage industry as well as for other application areas. Over more than 15 years of its existence, PreSens has become one of the leading companies in the field of chemical optical sensors. Together with its partners, PreSens offers comprehensive services in Europe, the USA and Asia.