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Testo 230 combines a complete pH measuring instrument and a high standard thermometer in a compact, waterproof housing. It reliably records pH values, reduction voltages and temperature in watery solutions as well as in semi-solid to solid food. The instrument has an automatic temperature compensation, and can be calibrated with standard as well as DIN buffers in the pH area.

The Universal set includes the Testo 230 analysis instrument with 2 electrode clips and battery, with additional components such as the Testo buffer set pH 4 and 7, 50ml each, a universal plastic electrode with temperature sensor and set case (plastic).