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This meter measures up to 20.0 ppm dissolved oxygen in aqueous solutions and up to 100% oxygen concentration in an atmospheric environment. Calibration is performed by holding the electrode in the air and adjusting the calibration knob to read 20.9%.

The electrode is manufactured with a silver cathode and operates like a battery. It is maintenance free and under normal conditions has a twelve month life. The standard electrode is furnished with a 5 foot cord, but other lengths are available in 5 foot increments. Please specify the length required.


• Resolution: 0.1 ppm or % range
• Accuracy: +/- 0.25 ppm or +/- 5% concentration
• Precision: +/- 0.1 %
• Temperature compensation: automatic, 0 - 40 deg. C
• Pressure: 25 psi maximum

Oxygen Meter

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