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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

05/20/2026

Why Density Meters Drift Over Time in Industrial Processes

Most Density Meters Don’t “Fail” Overnight One of the more frustrating things about density measurement is that problems rarely appear suddenly. The system may run normally for months. Then operators start noticing small differences: readings no longer match lab samples process trends look sligh...
inline density measurement
05/19/2026

How Temperature Affects Inline Density Measurement

Temperature Is Usually the First Thing Engineers Check When an inline density meter suddenly starts showing different values, experienced operators rarely blame the instrument immediately. Most of them check the process temperature first. That’s because density and temperature are directly connec...
Inline density meters
05/18/2026

How to Install an Online Density Meter Correctly

 A Good Meter Can Still Produce Bad Results A lot of density measurement problems actually start during installation. Not during calibration. Not during operation. Right at the beginning. You can have a perfectly capable density meter, but if it’s installed in the wrong place, the readings may ne...
05/20/2026

Why Density Meters Drift Over Time in Industrial Processes

Most Density Meters Don’t “Fail” Overnight One of the more frustrating things about density measurement is that problems rarely appear suddenly. The system may run normally for months. Then operators start noticing small differences: readings no longer match lab samples process trends look sligh...
05/19/2026

How Temperature Affects Inline Density Measurement

Temperature Is Usually the First Thing Engineers Check When an inline density meter suddenly starts showing different values, experienced operators rarely blame the instrument immediately. Most of them check the process temperature first. That’s because density and temperature are directly connec...
05/18/2026

How to Install an Online Density Meter Correctly

 A Good Meter Can Still Produce Bad Results A lot of density measurement problems actually start during installation. Not during calibration. Not during operation. Right at the beginning. You can have a perfectly capable density meter, but if it’s installed in the wrong place, the readings may ne...