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SHENZHEN LONNMETER GROUP is a global technology company of intelligent instrument industry.

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  • Flow Meter

    Flow Meter

    View more solutions designed for precision, reliability and durability. Find more solutions for seamless operation and enhanced productivity.

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  • Density & Concentration Meter

    Density & Concentration Meter

    Select advanced online density and concentration meters for accurate and reliable real-time monitoring.

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  • Viscometer

    Viscometer

    Get perfect solutions for industrial processes in food, cosmetics, chemicals, etc. Measure pasty and viscous liquids with precision.

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  • Level Sensor

    Level Sensor

    Take references to our solutions for optimized processes with cutting-edge level sensors. Contact us a get tailored solutions with your requirements.

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  • Pressure & Level Transmitter

    Pressure & Level Transmitter

    Look through solutions designed for maintaining safety, optimizing processes and manufacturing. Ideal devices for pressure and level measurement.

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  • Thermometer Wholesale

    Thermometer Wholesale

    Lonnmeter, a leading thermometer supplier, is a wholesale seller of indoor and outdoor thermometers. Take references to tailored solutions to elevate your business level.

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why choose us

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Lonnmeter grows into a leading manufacturer of precision measuring devices over the past ten years. We offer end-to-end solutions for flow, density, concentration, viscosity and pressure measurement. Both cutting-edge technology and years of expertise contribute to trustworthy precision.

The Group has committed to innovative research and development to push boundaries tirelessly, ensuring unmatched accuracy, reliability and efficiency. R&D team values innovation, quality and customer satisfaction, elevating your business to a higher level for the future.

Outstanding quality is the cornerstone of long-lasting development and good reputation. All instruments are manufactured to rigorous standards, and quality of all precise instruments have been reviewed in practical cases over the past ten years.

Our service doesn’t stop at the delivery of commodities. It’s a great honour for us to offer sound after-sales support, including but not limited to installation, calibration assistance and technical guide. Besides, extended warranty period gives customers confidences in investments. Long-term commitments guarantee smooth operations and optimized processes.

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Expand your business with with Lonnmeter and elevate it to new heights. Gain access to cutting-edge products, dedicated support and exclusive sales policy now!
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latest news

acetic acid distillation column
01/15/2026

Inline Pressure Control in Acetic Acid Distillation and Purification

Inline pressure transmitters anchor the safety and efficiency of glacial acetic acid production and purification. The acetic acid distillation process depends on stable pressure management—especially in vacuum distillation and dehydration towers, where even slight deviat...
ammonium nitrate production
01/15/2026

Real-Time Pressure Monitoring in Neutralization Reactors for Ammonium Nitrate Production

Inline pressure measurement is critical for safeguarding both process stability and personnel in the ammonium nitrate production process. Constant, real-time pressure monitoring using advanced inline transmitters, like those from Lonnmeter, allows operators to rapidly de...
chemical fibre plant
01/15/2026

Real-Time Pressure Monitoring of NaOH Digester in Chemical Fiber Plants

In viscose fiber production, maintaining precise control of digester pressure is central to every stage of the process, from cellulose cooking methods through alkaline cellulose treatment. Real-time inline pressure measurement ensures consistent product quality and enhan...
01/15/2026

Inline Pressure Control in Acetic Acid Distillation and Purification

Inline pressure transmitters anchor the safety and efficiency of glacial acetic acid production and purification. The acetic acid distillation process depends on stable pressure management—especially in vacuum distillation and dehydration towers, where even slight deviat...
01/15/2026

Real-Time Pressure Monitoring in Neutralization Reactors for Ammonium Nitrate Production

Inline pressure measurement is critical for safeguarding both process stability and personnel in the ammonium nitrate production process. Constant, real-time pressure monitoring using advanced inline transmitters, like those from Lonnmeter, allows operators to rapidly de...
01/15/2026

Real-Time Pressure Monitoring of NaOH Digester in Chemical Fiber Plants

In viscose fiber production, maintaining precise control of digester pressure is central to every stage of the process, from cellulose cooking methods through alkaline cellulose treatment. Real-time inline pressure measurement ensures consistent product quality and enhan...