Adwa Instruments is one of the leading manufacturers of instrumentation to measure pH, Conductivity, ORP, Dissolved Oxygen and Temperature for Research and Industry. Adwa Instruments is dedicated through a worldwide distributor network, to provide top class instrumentation and service. Adwa products which are durable, reliable and accurate, with an excellent cost-performance ratio. All of Adwa instruments are supplied complete with the necessary electrodes, probes, calibration solutions and are ready for use.