ODEON - The Polyvalent Handheld Device ODEON is the range of handheld numerical devices dedicated to water quality control on the field or in the laboratory. Real combination of ruggedness and digital intelligence, ODEON offers reliability and flexibility never reached before.With digital sensors DIGISENS, it can measure up to 7 physicochemical parameters.With PHOTOPOD, it becomes a photometer able to analyze more than 40 additional parameters.ODEON is available in version OPEN ONE with 1 sensor input or version OPEN X with 2 sensor inputs.