Client Industry:
Municipal Wastewater Treatment
Challenge:
Measuring large flows with high accuracy and fluctuating flow rates
Solution:
Custom 6-Electrode DN600 Magnetic Flow Meter
A wastewater treatment plant required a high-precision flow measurement solution for monitoring large-volume effluent discharge. After detailed consultations, Metlan Instruments designed a custom DN600 electromagnetic flow meter (EMF) with a 6-electrode configuration and a chloroprene rubber (CR) liner, tailored to the client’s abrasive, particle-laden wastewater conditions. The solution ensured accuracy across varying flow rates while addressing durability challenges.
Client Background
- Industry: Municipal Wastewater Treatment
- Application: Effluent discharge monitoring
Challenges
Measuring large flows with high accuracy, despite:
- Fluctuating flow rates.
- Highly abrasive, solid-laden wastewater.
Solution: 6-Electrode DN600 Magnetic Flow Meter
Metlan Instruments engineers developed a multi-electrode mag meter with the following features:


Electrode Configuration:
- Bottom Electrode (Grounding):
- Ensures stable signal grounding in low-conductivity conditions.
- Reduces electrical noise from fluid variability.
- Top Electrode (Full-Scale Measurement):
- Optimized for high-flow scenarios (>80% capacity).
- Dual Electrodes (Left & Right Sides):
- Lower Pair: Positioned near the pipe centerline for low-flow precision (<30% capacity).
- Upper Pair: Activated during mid-to-high flows for seamless measurement across the full range.
Client Feedback
“The 6-electrode design eliminated our low-flow measurement gaps, and the chloroprene rubber liner has held up remarkably against the abrasive sludge.”
– Plant Operations Manager