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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.

BE PARTNER

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

09/11/2026

How Refineries, Chemical Plants and Food Factories Use Online Process Meters

Walk into any modern refinery, chemical plant, or food factory and you will find the same instruments doing different jobs. A density meter measures crude oil quality in one building and sugar syrup concentration two hundred kilometers away. A viscometer watches polymer viscosity in one plant and...
Process Measurement Glossary
09/09/2026

Process Measurement Glossary: 50 Key Terms Every Industrial Engineer Should Know

Every industry has its own vocabulary, and process instrumentation has one of the densest. The same word can mean different things to a chemist, an instrument engineer, and a procurement manager — which is precisely where specification errors begin. This glossary collects the 50 terms we use most...
Online Densitometer Selection & Technical Requirement Questionnaire
09/07/2026

Buying Density and Concentration Meters from China: A Practical Buyer`s Guide for Plant Engineers and Procurement Teams

Ten years ago, the question was whether to buy process instrumentation from China at all. Today, that question is obsolete — China is the largest manufacturing base for industrial density, viscosity, and concentration meters in the world, and most global instrument brands assemble their entry-lev...
09/11/2026

How Refineries, Chemical Plants and Food Factories Use Online Process Meters

Walk into any modern refinery, chemical plant, or food factory and you will find the same instruments doing different jobs. A density meter measures crude oil quality in one building and sugar syrup concentration two hundred kilometers away. A viscometer watches polymer viscosity in one plant and...
09/09/2026

Process Measurement Glossary: 50 Key Terms Every Industrial Engineer Should Know

Every industry has its own vocabulary, and process instrumentation has one of the densest. The same word can mean different things to a chemist, an instrument engineer, and a procurement manager — which is precisely where specification errors begin. This glossary collects the 50 terms we use most...
09/07/2026

Buying Density and Concentration Meters from China: A Practical Buyer`s Guide for Plant Engineers and Procurement Teams

Ten years ago, the question was whether to buy process instrumentation from China at all. Today, that question is obsolete — China is the largest manufacturing base for industrial density, viscosity, and concentration meters in the world, and most global instrument brands assemble their entry-lev...