The new InPro 6950 dissolved and gaseous trace oxygen sensor from Mettler Toledo (UK) guarantees exceptional measurement accuracy down to of 0.1 ppb (5 Vol.pp min gas). Mechanically the same as the existing
sensors in the InPro 6900 series, the latest sensor has an innovative new 4-electrode measurement technology compared to the 3-electrode of the earlier series. A guard electrode protects the measurement
electrode from the detrimental effects of side diffusion of oxygen.
Additionally, a separate silver/silver chloride reference electrode removes the electrochemical `noise` that affected the low level performance of systems with a combined anode/reference electrode. The
new technology enhances the stability and sensitivity of the sensor and removes any risk at all of by-product deposition inside the sensor. All these features make the InPro 6950 an ideal solution for oxygen control in the brewing industry.
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