Concentration and density measurement on liquids

The measuring principle

The microwave measuring system uses the dielectric property of water. The measuring system generates microwaves that interact with the water molecules. This interaction causes an attenuation of the microwave energy, which can be detected as phase shift and attenuation. Since the phase shift and attenuation changes are directly proportional to the water content in the product, the concentration or dry content in the medium can be determined with high accuracy.

Berthold‘s superior multi-frequency technology provides very stable and reliable measurements unaffected by interfering reflections or resonances. The microwave energy is so low (max. 10 mW) that the material to be measured is neither heated nor altered in any way.

Advantages of microwave measurement

• Multi-frequency technology for dynamic plausibility control of the incoming raw signal
• Signal quality self-monitoring for processing measurement data
• Intuitive/user-friendly interface simplifies configuration and calibration
• Patented microwave antennas for signal optimisation and avoidance of signal interference
• Real-time process information from online measurement
• Superior measurement technology „Made in Germany”