EMERSON
Measurement Instrumentation

Density and Viscosity​

Advanced density and viscosity devices for applications requiring density, concentration or viscosity measurement.​

Density and Viscosity - Principles of Concentration Measurement

Principles of Concentration Measurement​

Density & viscosity meters deliver reliable concentration data in critical applications using vibrating-element tech. Density is measured via frequency shift; viscosity via signal bandwidth. Each meter is optimized for high-performance fluid analysis.​

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Products

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Frequently Asked Questions

Understanding how density and viscosity measurements work—and why they matter—can help optimize your process and product quality.​

These meters use a vibrating-element principle—vibration frequency decreases as fluid density increases. Viscosity meters extend this by analyzing additional frequency characteristics. Both types include internal temperature measurement to compensate for changes in metal stiffness due to temperature variations.​

Density and viscosity help assess product quality, convert between mass and volume, optimize efficiency, and identify product interfaces. They are essential for understanding the value, composition, and quantity of liquids, gases, and slurries.​

They're used in processes involving custody transfer, interface detection, blending, separation, evaporation, and product changes. Applications range from measuring crude oil density to monitoring sugar content in beverages.​

Accurate density and viscosity readings improve consistency, reduce waste, and enhance product quality—ultimately boosting productivity and throughput.​