Advanced Viscosity Control Solutions
Ensure absolute fluid quality and batch consistency with high-performance inline and laboratory viscometers engineered for mission-critical industrial environments.
Why Inline Viscosity Measurement
Inline viscosity measurement is widely used in industrial processes where continuous monitoring of fluid rheology, molecular weight changes, or mixing stability is essential.
Real-time viscosity monitoring helps manufacturers improve process visibility, optimize pumping and coating efficiency, and maintain stable final product quality.
Common Process Challenges
Fluid Rheology Fluctuation
Changing material viscosity may affect fluid behavior, coating thickness, and final product quality.
Limited Process Visibility
Traditional laboratory testing methods cannot provide continuous, real-time viscosity monitoring.
Batch-to-Batch Variations
Unstable shear rates or temperature fluctuations may lead to inconsistent production results.
High Manual Intervention
Frequent manual sampling and offline measurement slow down response times and reduce operational efficiency.
Viscosity Measurement Applications
Food Viscosity Measurement — Complete Industrial Guide to Inline Technology for Dairy, Chocolate, Sauces, Honey, and Specialty Foods
Petroleum Viscosity Measurement — Complete Industrial Guide to Inline Technology for Crude Oil, Fuel Oil, Lube Oil, and Bitumen
Coating Viscosity Measurement — Complete Industrial Guide to Inline Technology, Temperature Compensation, and Spray Application Optimization
Chemical Viscosity Measurement — Complete Industrial Guide to Methods, Technology Selection, and Process Optimization
Vibrational Viscometer — Complete Technology Guide for Inline Viscosity Measurement
Benefits of Inline Viscosity Measurement
Real-Time Viscosity Tracking
Monitor dynamic fluid behavior continuously inside pipelines and tanks without interrupting production.
Enhanced Fluid Control
Maintain consistent shear response and stable flow conditions throughout your industrial manufacturing processes.
Automated Quality Assurance
Eliminate manual laboratory sampling errors and reduce human intervention requirements in fluid testing.
Seamless Automation Integration
Fully compatible with industrial PLC, DCS, and automated process control systems for instant feedback loops.
Recommended Viscosity Measurement Instruments
LONN-ND50 Integrated Online Viscosity Meter | LONNMETER
The LONN-ND50 is an inline industrial viscometer that measures liquid viscosity using a metal tuning fork vibration principle. Designed for inline installation in chemical, pharmaceutical, food, and petroleum refining processes, it delivers real-time 4–20mA and RS485 Modbus RTU outputs with Ex d II BT6 explosion-proof certification. Field-configurable via built-in meter menu.
- Viscosity Range: 0–10,000 mPa·s (calibratable to custom range)
- Viscosity Accuracy: ±2.5%
- Temperature Range (Media): 0–60°C
- Temperature Range (Ambient): -40–85°C
- Output Signal: 4–20mA active + RS485 Modbus RTU
- Signal Mode: 4-wire system
- Explosion Protection: Ex d II BT6
- Working Pressure : <1 MPa
- Power Supply: 24VDC
Inline Viscometer — LONN ND80 Vibrating Fork Viscometer-high-temp
LONN ND80 inline viscometer with vibrating fork technology for continuous viscosity measurement. ±1% FS accuracy, dual 4-20mA + RS485, Ex certified, ANSI flange, 316L/Hastelloy.
- Measurement Principle： Vibrating fork (tuning fork)
- Viscosity Range： 0 – 5,000 cP (segment calibratable)
- Viscosity Accuracy： ±1% FS
- Temperature Range： -10°C to +200°C (standard) / up to +400°C (high-temp)
- Output： Dual 4-20mA (viscosity + temperature) + RS485 Modbus
- Power Supply： 24V DC
- Process Connection： ANSI 150LB RF Flange
- Wetted Materials： 316L SS / Hastelloy C
Online Viscometer — LONN-DN60 Integrated Viscosity Meter
LONN-DN60 online viscometer with integrated sensor and transmitter. 0-5,000,000 cP range, Ex d IIC T6, 4-20mA + RS485. Wide temperature 0-300C. Built-in display.
- Measurement Principle： Tuning fork vibration
- Viscosity Range： 0 – 5,000,000 cP (segment calibratable)
- Viscosity Accuracy： ±3.0% of reading
- Explosion Protection： Ex d IIC T6 (flameproof)
- Output： 4-20mA + RS485 Modbus RTU
- Power Supply： 24V DC
- Medium Temperature： 0°C to +300°C
- Protection Class： IP67 / IP68 (probe)