By David Ladoski and Dan Klees
This article presents guided wave radar level measurement as an acceptable, less expensive alternate to load cell systems.
Different technologies have been utilized to measure level, volume, and/ or mass in single use, disposable bags in the biotech industries. The most common include:
- Load Cells (weight)
- Floor Scales (weight)
- Pressure Transmitters (liquid head or weight)
- Graduated Marks (manual measurement of level)
- Guided Wave Radar (level)