Precision Measurement for the Chemical Processing Industry
Ensuring uncompromising safety, operational efficiency, and strict regulatory compliance through advanced sensing technologies and calibrated control systems.
Optimizing Complex Chemical Processes
The chemical processing industry demands rigorous precision, safety, and corrosion resistance under extreme temperatures and pressures. Our advanced inline instrumentation is engineered to deliver real-time, continuous monitoring—ensuring stable chemical reactions, maximizing product yield, and reducing raw material waste.
Acid & Alkali Concentration Control
Fluctuations in chemical concentration disrupt downstream reactions. Real-time online density and concentration monitoring ensures precise dosing, preventing chemical waste and maintaining batch uniformity.
Corrosive Fluid Measurement
Aggressive chemicals degrade standard sensors, causing frequent downtime. Engineered with premium materials like Hastelloy and PTFE linings, our meters ensure long-term reliability in highly corrosive environments.
Polymerization Endpoint Detection
Missing the optimal reaction window ruins entire product batches. Continuous inline viscosity tracking allows operators to pinpoint the exact polymerization endpoint, stabilizing resin and polymer quality.
Automated Blending & Mixing
Manual sampling creates process lags and safety hazards. Interfacing directly with your DCS, our high-precision flow and concentration systems automate raw material blending to achieve flawless formulation accuracy.
Application Solutions
Recommended Instruments
LONN700 Intelligent Online Density & Concentration Meter
Real-Time Density & Concentration Monitoring for Demanding Industrial Applications
The LONN700 Intelligent Online Density & Concentration Meter is designed for continuous inline density measurement of liquids, slurries, and industrial process media.
Built for harsh industrial environments, it provides highly accurate real-time density and concentration monitoring to improve process stability, reduce waste, and optimize production efficiency.
✔ High-Accuracy Inline Density Measurement
✔ Real-Time Concentration Monitoring
✔ Suitable for Liquids, Slurries & Chemicals
✔ Intelligent Digital Signal Processing
✔ Designed for Harsh Industrial Environments
LONN-700CM Inline Tuning Fork Density & Concentration Meter
The LONN-700CM inline tuning fork density meter is a high-precision online density meter designed for continuous, real-time liquid density measurement and concentration monitoring in industrial processes. Engineered with a robust vibrating fork sensor, this tuning fork density meter delivers stable, accurate density readings across demanding applications — from corrosive chemicals in petrochemical plants to sugar solutions in food production lines.
Unlike bulky coriolis mass flow systems, the LONN-700CM vibrating fork density sensor installs directly into your pipeline via flange connection, requiring minimal straight pipe run and offering straightforward integration with existing DCS and PLC systems via 4-20mA output or RS485 Modbus protocol.
Key Benefits:
- ✅ High Accuracy: ±0.002 g/cm³ density precision
- ✅ Wide Range: 0-2 g/cm³ (0-2000 kg/m³) continuous inline density measurement
- ✅ Temperature Resilient: -25°C to +120°C standard, up to +150°C for high temperature process applications
- ✅ Pressure Rated: Up to 2.5 MPa standard, 6.3 MPa for demanding pipeline conditions
- ✅ Multi-Output: 4-20mA + RS485 Modbus — standard process industry signal formats
- ✅ Hazardous Area Ready: Explosion proof inline density meter configuration (ATEX available)
LONN-700S Split-Type Tuning Fork Density & Concentration Meter
The LONN-700S is a split-type tuning fork density meter separating sensor from transmitter via sealed cable. Handles +200°C process temperatures while keeping electronics remote. Ideal for steam injection, asphalt processing, and high-temperature chemical applications requiring safe display access.
Key Benefits of This Advanced Split Type Tuning Fork Density Meter:
- ✅ Remote Electronics: Transmitter mounts up to 10 meters from process connection — ultimate installation flexibility
- ✅ Thermal Isolation: Electronics fully protected from extreme pipe temperatures up to +200°C
- ✅ Vibration Decoupling: Sensor operates in flow stream while signal processing stays mechanically isolated
- ✅ Safe Display Positioning: LCD readable at eye level or control room — no ladder climbing required
- ✅ Proven Precision: ±0.002 g/cm³ accuracy, identical to premium integrated models
- ✅ Hazardous Area Certified: ATEX/IECEx explosion proof density transmitter options available
- ✅ Non-Nuclear Technology: No radioactive source — safer than radiometric alternatives, zero licensing burden
Ceramic Tuning Fork Density Meter — LONN-700C for Abrasive Slurry Applications
LONN-700C ceramic tuning fork density meter: ±0.002 g/cm³ accuracy in abrasive slurry.
Ceramic fork tines (1200+ HV) resist sand/mineral erosion.
Non-nuclear design eliminates radioactive licensing.
4-20mA + RS485; ANSI/DIN/JIS flange or tri-clamp.
LONNMETER serves 130+ countries.
- ✅ Superior Abrasion Resistance: Ceramic fork tines (1200+ HV) withstand sand, mineral ore, and tailings particles that destroy standard metal fork surfaces — extending sensor service life by 5-10× in slurry service
- ✅ Proven ±0.002 g/cm³ Accuracy: Ceramic fork tines add zero interference to vibration frequency — accuracy identical to standard polished fork configuration
- ✅ Wide Slurry Compatibility: Handles particles up to 50μm diameter, suspended solids up to 40%, and gas content up to 20% — suitable for most mineral processing and mining slurry circuits
30% Yield Increase at Global Specialty Chemicals Facility
By implementing our LONN700 Inline Density Meters for reaction monitoring, a leading producer of specialty resins eliminated manual sampling and reduced batch deviations by 94%.
12 Months
Payback Period
Zero
Safety Incidents