scroll more

READY TO LEARN MORE?

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

our solution

learn more our solution
  • Flow Meter

    Flow Meter

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

    learn more
  • Density & Concentration Meter

    Density & Concentration Meter

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

    learn more
  • Viscometer

    Viscometer

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

    learn more
  • 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.

    learn more
  • Pressure & Level Transmitter

    Pressure & Level Transmitter

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

    learn more
  • 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.

    learn more

why choose us

perty3 perty3
perty3Proven Technology
perty perty
pertyCompetitive R&D Innovation
perty perty
pertyReliable Quality Guarantee
perty perty
pertyAfter-Sale Support

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!
learn more

our partner

qwelogo1
qwelogo2
qwelogo3
qwelogo4
qwelogo6
qwelogo7
qwelogo8
qwelogo9
qwelogo10
qwelogo11
qwelogo12
qwelogo13
qwelogo14
qwelogo15
qwelogo16

certificate

asdcr
asdcr
asdcr
asdcr

latest news

05/26/2026

Density Measurement in Petroleum Refining: From Crude Oil to Finished Fuel

In a refinery, density is not just another process variable. It is how you know what is in the pipe, whether your product meets spec, and when to switch from one storage tank to another. From the moment crude oil arrives at the gate to the final blending of gasoline or diesel, density measurement...
online density meter13
05/25/2026

How a Tuning Fork Density Meter Works: The 5-Step Principle Behind Inline Density Measurement

If you have ever dealt with process density measurement, you have probably come across tuning fork density meters at some point. They show up in refinery pipelines, chemical reactors, food production lines, pharmaceutical mixing tanks and a dozen other places where knowing exactly what is inside ...
Inline density meters (1)
05/22/2026

How Refineries Use Density Measurement During Product Switching

In refinery operations, product switching inside pipelines is one of those processes that sounds simple until you actually see it happening in the field. A single transfer line may carry: gasoline in the morning diesel a few hours later jet fuel after that From the outside, it looks like operat...
05/26/2026

Density Measurement in Petroleum Refining: From Crude Oil to Finished Fuel

In a refinery, density is not just another process variable. It is how you know what is in the pipe, whether your product meets spec, and when to switch from one storage tank to another. From the moment crude oil arrives at the gate to the final blending of gasoline or diesel, density measurement...
05/25/2026

How a Tuning Fork Density Meter Works: The 5-Step Principle Behind Inline Density Measurement

If you have ever dealt with process density measurement, you have probably come across tuning fork density meters at some point. They show up in refinery pipelines, chemical reactors, food production lines, pharmaceutical mixing tanks and a dozen other places where knowing exactly what is inside ...
05/22/2026

How Refineries Use Density Measurement During Product Switching

In refinery operations, product switching inside pipelines is one of those processes that sounds simple until you actually see it happening in the field. A single transfer line may carry: gasoline in the morning diesel a few hours later jet fuel after that From the outside, it looks like operat...