Dissolved oxygen & multiparameter meters

A dissolved-oxygen meter reads oxygen in a liquid, optically or with a Clark cell. A multiparameter meter adds pH, conductivity or both on one instrument. The sensor cap or the membrane is the consumable. A reading in air and a reading in water are different calibrations.

A pH meter is a voltmeter on a glass electrode. The voltage tracks hydrogen-ion activity, and the electrode is converted to pH only after it is adjusted with buffers of known value. Conductivity measures how well a solution carries a current, which for dilute salts tracks concentration. Dissolved oxygen and titration are further electrodes on the same idea: a sensor, a standard, and a reading that is only as fresh as the calibration. Buffer values and chemical identity sit on PubChem. Accreditation of the calibration laboratory is the field of BELAC and EURAMET.

This shelf belongs to pH & electrochemistry, inside Instruments de précision. Luminix Health distributes this range for laboratory use.

The neighbouring shelves are pH electrodes & sensors, pH meters, Conductivity meters & cells, Titrators & electrochemistry systems and pH & electrochemistry accessories. The category above this shelf is pH & electrochemistry.

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