Lonnmeter Group
Lonnmeter is an professional technology company specialized in intelligent inline instruments over 15 years, having grown into a leading manufacturer of precise inline measuring instruments.
Core Positioning & Product Series
Lonnmeter focuses on the monitoring of key parameters in industrial processes and supply inline instruments likedensitometers, flowmeters, level meters (or level transmitters), viscometers and pressure transmitters to optimize industrial operation. These products enable real-time and accurate measurement of parameters such as flow rate, density, concentration, viscosity and pressure, and are widely suitable for the production process needs of multiple industries including food, chemical, cosmetics, energy, petrochemical, mining and metallury.
Choose Lonnmeter for accurate and intelligent measurement!
Tuning Fork Density Meter Inline
Working Principle
The tuning fork is excited to a forced oscillation at its natural frequency, which changes with the density of surrounding liquids. The fork density meter measures this frequency change to determine the density of the substance. This method is highly accurate and reliable, making fork density meters popular in industries where precise density measurement is crucial.
Product Features
● Continuous and real-time measurement of density;
● Wide automatic temperature compensation (ATC) range -30 ~120 °C;
● Simple installation and versatile connection via flange and clamp;
● Robust design with explosion-proof and waterproof certificate;
● Corrosion-resistant material of wetted parts like 316L, Hastelloy, Titanium, PEFE;
Interested? Contact Sales Team
Product Advantages
● Standard 4-20 mA signal output for density or concentration;
● Local display for on-site viewing of density and temperature;
● Long lasting reliable performance in challenging environments;
● Intuitive interface and low-maintenance design reduce operational complexity and long-term costs.
● Distinctive data logging and documentation easy tracking and auditing;
Applications
Some production lines or industrial plants could benefit from the tuning fork density meter:
Parameter Selection Table
| Tuning Fork Density Meter | Specification Code | Parameters | |||||
| Density Measurement Range | 1 | 0～1 . 5 g/cm³ | |||||
| 2 | 0～2 g/cm³ | ||||||
| X | Others | ||||||
| Process Connection | D1 | 2" 150LB Flange | |||||
| D2 | 2" 300LB Flange | ||||||
| D3 | DN50 PN25 Flange | ||||||
| D4 | DN50 PN40 Flange | ||||||
| K1 | 2" Clamp | ||||||
| K2 | 3" Clamp | ||||||
| M1 | G3/4 Thread | ||||||
| M2 | G1 Thread | ||||||
| XX | Others | ||||||
| Material of Wetted Parts | J1 | 316 | |||||
| J2 | Titanium | ||||||
| J3 | Zirconium | ||||||
| J4 | Hastelloy-C alloy | ||||||
| JX | Others | ||||||
| Surface Treatment | A | Standard Polishing | |||||
| B | Electropolishing | ||||||
| C | PFA Coating | ||||||
| Probe Length | 0 | Standard Length | |||||
| 1 | 100 mm | ||||||
| 2 | 200 mm | ||||||
| 3 | 300 mm | ||||||
| 4 | 400 mm | ||||||
| 5 | 500 mm | ||||||
| X | Others | ||||||
| Accessories | F0 | None | |||||
| F1 | Mounting Bracket | ||||||
| F2 | Bypass Pipeline | ||||||
| F3 | Flow Cell | ||||||
| F4 | Flushing Port | ||||||
| F5 | Flange Support | ||||||
| F6 | Protective Cover | ||||||
| FX | Others | ||||||
Customization Options
I. Core Performance Customization
II. Environment and Safety Customization
Installation
Inline Density Meter Installation Diagram
About Lonnmeter
Vision of Lonnmeter
In 3-5 years, Lonnmeter aspires to become the leader of China's new-generation wireless intelligent instruments!
In 5-10 years, Lonnmeter aspires to become China's leader in intelligent instruments and replace imported instruments with its own products!
In 10-20 years, Lonnmeter aims to make its products available to more people around the world and become a global leader in new-generation intelligent instruments!
Become the global leader of new-generation intelligent instruments.
15 + Years of Experience
Over 15 years of experience in inline instruments manufacturing.
6600 ㎡ Production Area
Over 6000 ㎡ factory and warehouse
400 + Staff
Over 400 experienced staff work for Lonnmeter like R&D, sales, marketing team, etc.
1000 -1500 Units / Month
Monthly production of inline instruments is over 1000 per month. All products undergo strict quality inspection.
Lonnmeter -- Manufacturer of Inline Instruments for Process Control
Lonnmeter (hereinafter referred to as "the Group") has grown into a competitive manufacturer of inline instruments over the past 15 years. All inline instruments undergone strict quality inspection and calibration before shipment to customers.
With joint efforts of R&D department and sales team, all inline instruments for process control escalade continuously and stand up to special and complex industrial conditions, solving numerous tricky problems and improving process efficiency while reducing costs.
Company Advantages
As a leading intelligent industrial instrument manufacturer, Lonnmeter delivers targeted, value-driven solutions for industrial process control with the following core strengths:
Complimentary Operating Condition Analysis
Our engineer team provides free professional analysis of medium properties, pressure/temperature ranges, bubble content and the like, offering data-backed recommendations to optimize parameter settings and avoid equipment selection risks.
Customized Process Control Solutions
Our portfolio is offered based on provided operating conditions and avoid all negative factors caused inaccurate measurements like flow rate, particle size and bubble content of measured media. Keep all inline instruments working in optimal status.
Flexible OEM&ODM Services
We provide tailored OEM and ODM services dedicated to inline industrial instruments. Our OEM services cover customizable packaging, operation manuals and brand logos, while ODM solutions support flexible customization of core materials, measurement parameters, product structures and functional configurations, fully meeting all your special application needs.
