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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

08/05/2026

Slurry Viscosity in Grinding Circuits:Why It Matters More Than You Think

Every mining engineer can tell you the target % solids for their grinding circuit. Most can tell you the target P80. Fewer can tell you the target viscosity — and most have never measured it. That is a problem, because viscosity is the variable that tells you whether your grinding circuit is actu...
mining slurry density measurement
08/03/2026

Slurry Density Measurement in Mining:Three Decisions That Determine Your Circuit Performance

The hydrocyclone is one of the most misunderstood pieces of equipment in mineral processing. Operators watch the overflow and underflow. They adjust the feed pump. They watch the pressure gauge. They rarely watch the density. That is a mistake, because the single most important variable for class...
Brix measurement food beverage
07/29/2026

Why Brix Is Not Brix – HFCS, Sucrose, and the Measurement Problem in Food and Beverage

Here is a conversation we have had more than once. A food processor specifies an inline Brix meter for their HFCS blending line. The specification says “Brix measurement.” The instrument selected is a refractometer. The reading comes out. The lab measures the same product with a pycnometer and ge...
08/05/2026

Slurry Viscosity in Grinding Circuits:Why It Matters More Than You Think

Every mining engineer can tell you the target % solids for their grinding circuit. Most can tell you the target P80. Fewer can tell you the target viscosity — and most have never measured it. That is a problem, because viscosity is the variable that tells you whether your grinding circuit is actu...
08/03/2026

Slurry Density Measurement in Mining:Three Decisions That Determine Your Circuit Performance

The hydrocyclone is one of the most misunderstood pieces of equipment in mineral processing. Operators watch the overflow and underflow. They adjust the feed pump. They watch the pressure gauge. They rarely watch the density. That is a mistake, because the single most important variable for class...
07/29/2026

Why Brix Is Not Brix – HFCS, Sucrose, and the Measurement Problem in Food and Beverage

Here is a conversation we have had more than once. A food processor specifies an inline Brix meter for their HFCS blending line. The specification says “Brix measurement.” The instrument selected is a refractometer. The reading comes out. The lab measures the same product with a pycnometer and ge...