CS4763 Dissolved Oxygen Electrode

Short Description:

dissolved oxygen (DO) electrode, also known as a Clark-type electrode, is a vital analytical tool for measuring the concentration of oxygen molecules in aqueous solutions. Its operation relies on electrochemical principles. The core component is a gas-permeable membrane, typically made of Teflon or polyethylene, which selectively allows oxygen to diffuse through. Behind this membrane lies an electrochemical cell consisting of a cathode (usually gold or platinum) and an anode (often silver), immersed in an electrolyte solution.
When a polarizing voltage is applied between the electrodes, oxygen molecules that diffuse through the membrane are reduced at the cathode. This reduction reaction generates an electric current that is proportional to the partial pressure of oxygen outside the membrane, following Faraday's law. The current signal is then converted into a DO concentration reading, commonly expressed in milligrams per liter (mg/L) or percent saturation.

• Shell material: SUS316L + POM
• Measurement accuracy:: ±1% F.S
• Pressure range:: ≤0.3Mpa
• Temperature: -10~150℃
• Temperature compensation:: NTC10K/NTC2.252K/PT100
• Temperature range: : 0-50°C
• Calibration: : Anoxic water calibration, air calibration
• Connection method: : 4-core cable
• IP rate: IP68