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

our solution

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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

nitrocellulose lacquer
01/27/2026

Optimize Nitrocellulose Lacquer Ormulations via Inline Density Meter

Inline density meters, such as the Lonnmeter tuning fork density meter, deliver precise in-process measurement of nitrocellulose lacquer formulations containing high boiling point solvents for industrial use. Real-time density monitoring maintains accurate solvent-to-res...
What Are Neonicotinoids
01/27/2026

How Acetonitrile Deviation Impact Neonicotinoid Yield?

Precise inline density measurement are essential in acetonitrile (methyl cyanide) production. Acetonitrile’s high volatility and complete miscibility with water complicate separation, requiring continuous data for accurate solvent recovery and yield optimization. Inline ...
diethyl malonate plant
01/27/2026

How to Avoid Overreaction or Incomplete Reaction in Esterification?

During malonic acid synthesis, density threshold monitoring reveals when conversion to diethyl malonate or monoethyl malonate has reached its endpoint. Continuous measurement supports direct process adjustments, preventing batch inconsistencies and reducing raw material ...
01/27/2026

Optimize Nitrocellulose Lacquer Ormulations via Inline Density Meter

Inline density meters, such as the Lonnmeter tuning fork density meter, deliver precise in-process measurement of nitrocellulose lacquer formulations containing high boiling point solvents for industrial use. Real-time density monitoring maintains accurate solvent-to-res...
01/27/2026

How Acetonitrile Deviation Impact Neonicotinoid Yield?

Precise inline density measurement are essential in acetonitrile (methyl cyanide) production. Acetonitrile’s high volatility and complete miscibility with water complicate separation, requiring continuous data for accurate solvent recovery and yield optimization. Inline ...
01/27/2026

How to Avoid Overreaction or Incomplete Reaction in Esterification?

During malonic acid synthesis, density threshold monitoring reveals when conversion to diethyl malonate or monoethyl malonate has reached its endpoint. Continuous measurement supports direct process adjustments, preventing batch inconsistencies and reducing raw material ...