Selection, Installation & Maintenance Guidelines

 Key Selection Criteria

• Define Range & Medium: Select the electrode type and material based on the expected conductivity and chemical properties (corrosiveness, solids content) of the solution.

• Identify Process Conditions: Consider the process temperature, pressure, and flow rate to choose a sensor with appropriate ratings.

• Accuracy & Features: Select the instrument’s accuracy class based on control requirements. Determine necessary output signals and communication protocols for automation integration.

Installation Best Practices

• Representative Sampling: Install at a point representative of the main stream, avoiding dead legs, air bubbles, or sediment zones. Bypass installation or direct insertion are common methods.

• Ensure Proper Grounding: Correct system grounding is crucial for stable readings, especially in high-purity water measurements.

• Optimize Flow Rate: Maintain a stable, moderate flow across the sensor. Excessive flow can generate noise, while insufficient flow causes response lag.

Maintenance & Calibration

• Regular Calibration: Perform single or multi-point calibration using traceable standard conductivity solutions to ensure long-term accuracy.

• Electrode Cleaning: Clean electrodes periodically based on fouling type (scale, grease, biofilm) using appropriate chemical agents or mechanical methods.

• Inspection & Storage: Regularly inspect electrodes for wear, cable seals, and instrument function. Store electrodes properly when not in use for extended periods.