China Flo-Instruments Co., Ltd Company Cases

The Successful Application of ST501 in Filtered Water System   The client met a little difficulties during installation. After all parameters are set right, there is no flow display. After giving solutions---keep the same parameters, we use "Z" method to replace "V" method, it works well now.   Success stories:   Filter Water System from Canada - successfully measured flow in a 60mm PVC, providing accurate data on flows.     Menu Flow & Details Display:

The Application of ST502 in Large Water Treatment Plant   Many water companies face the hard task of measuring flow through big pipe size. Traditional methods often involve significant costs and disruptive work. However, clamp-on ultrasonic flow measurement technology from Flo-Instruments is changing and improving constantly, and provides a non-intrusive and best solution.   Success stories:   Nepal water company - successfully measured flow in a 80” Carbon Steel, providing accurate data on flows.   Advantages:   Cost-effective - avoids expensive replacements and maintenance.   Minimal disruption - no service interruptions or risk to pipe integrity.   Waterproof - IP68 protection rating ensures durability in harsh environments.

What is Ultrasonic Flow Meter   Introduction   Ultrasonic flow meter refers to a flow meter developed based on the principle that the propagation speed of ultrasonic waves in a flowing medium is equal to the vector sum of the average flow velocity of the measured medium and the speed of the sound wave in a stationary medium. It is mainly composed of a transducer and a transmitter. That Flo-Instruments adopts is transit-time method.   Working Principle   Transit-time method: The time difference caused by the different propagation velocities during forward and reverse propagation is measured to calculate the velocity of the measured fluid.   It uses two sound wave transmitters and two sound wave receivers. Two groups of sound waves from the same sound source are transmitted between the two sound wave transmitters and the two sound wave receivers respectively. The position where they are installed along the pipeline is at an angle θ with the pipeline (generally θ=45°). Since the sound waves transmitted downstream are accelerated by the fluid, while the sound waves transmitted upstream are delayed, the time difference between them is proportional to the flow velocity. It is also possible to send a sinusoidal signal to measure the phase shift between the two sets of sound waves or send a frequency signal to measure the frequency difference to achieve flow velocity measurement.   Features   (1) Clamp-on Transducer: Clamp-on installation belongs to non-contact measurement. It allows users to install directly without stopping the flow and cutting off the pipe. This is a unique advantage of ultrasonic flow meters in industrial flow meters. Therefore, it can be used for mobile (i.e. non-fixed installation) measurement, which is suitable for pipe network flow condition assessment and measurement. (2) Non-obstructive measurements and no additional pressure loss. (3) Suitable for large circular and rectangular pipes, and in principle are not limited by pipe diameter. They can be considered as the preferred option when actual flow verification cannot be achieved. (4) Measure non-conductive liquids, which is a supplement to electromagnetic flow meters in terms of non-obstructive flow measurement. (5) Used for clean liquids and no particles. (6) Clamp-on transducers cannot be used for pipes with thick lining or scaling, nor can they be used for pipes with lining peeling off from the inner pipe wall or serious corrosion. Thus, it can be replaced by insertion transducer.   Classification   There are many types of ultrasonic flow meters. However, Flo-Instruments mainly engages in time difference ultrasonic flow meters, so we classify them according to the following: (1) Classification by transmitter installation Mainly divided into wall-mounted, fixed, portable, handheld, integrated, and split types. (2) Classification by transducer installation Mainly divided into clamp-on type, insertion type, and pipe section type (not available yet). (3) Classification by the measured medium(liquid) Mainly water, seawater, vegetable oil, petroleum, chemical liquids, etc. (4) Classification by the number of channels The four commonly used classifications by the number of channels are single channel, dual channel, four channel and eight channel. In recent years, three channel, five channel and six channel have also appeared. The multi-channel configuration of four channels and above plays a great role in improving the measurement accuracy.   The clamp-on type ultrasonic flow meter is the earliest produced, most familiar to users and most widely used ultrasonic flow meter. The transducer does not need to be cut off in the pipeline for installation. It can be used immediately after it is attached. It fully reflects the characteristics of simple installation and easy use of ultrasonic flow meter.   Some pipelines are due to loose materials, poor sound conduction, or severe rust, and there is a gap between the lining and the space inside the pipeline, which leads to severe attenuation of ultrasonic signals. It is impossible to measure normally with clamp-on ultrasonic flow meter, so a pipe section ultrasonic flow meter is produced. The pipe section ultrasonic flow meter integrates the transducer and the measuring tube, which solves a difficulty in the measurement of the external flow meter, and the measurement accuracy is higher than other ultrasonic flow meters, but it also sacrifices the advantage of the clamp-on ultrasonic flow meter that it can be installed without flow, and requires cutting the pipe to install the transducer.   The insertion ultrasonic flow meter is between the above two. It can be installed without flow. Use special tools to drill holes in the water pipe, insert the transducer into the pipe, and complete the installation. Because the transducer is in the pipe, its signal transmission and reception only pass through the measured medium, not through the pipe wall and lining, so its measurement is not limited by the pipe quality and pipe lining material.   Application   Various ultrasonic flow meters have been widely used in industrial production, commercial measurement and water conservancy testing, such as: In the measurement of raw water, tap water, recycled water and sewage in the municipal industry, ultrasonic flow meters have the characteristics of large range ratio and no pressure loss, which improves the water transmission efficiency of the pipeline network while ensuring measurement accuracy;   In the flow measurement of water pipelines, channels, pumping stations and power stations in the water conservancy and hydropower industry, ultrasonic flow meters have the characteristics of large diameter, on-site installation and online calibration, making accurate measurement possible. At the same time, the purpose of equipment optimization and economic operation can be achieved by measuring single pumps and single machines of water pumps and turbines;   In the measurement of industrial cooling circulating water, ultrasonic flow meters realize online continuous flow pressure installation and online calibration;   In commercial measurement, multi-channel ultrasonic flow meters have achieved an accuracy (indication error) better than 0.2%.  

Clamp-on Ultrasonic Flow Meter   The clamp-on ultrasonic technology is widely recognized for its effectiveness in flow measurement across various industries and applications, owing to its evident advantages.   Flo-Instruments' products have played a key role in driving this progress. From measuring heat, cooling, regular water, and industrial waste water to now including oil, alcohol etc, we offer a comprehensive solution for various flow metering requirements.   ST series products from Flo-Instruments offer non-intrusive liuqid measurement from outside the pipe, which can ensure that the measurement process does not disrupt any ongoing processes or supplies. With the simple mounting of clamp-on ultrasonic transducers on the outside of the pipe, installation is effortless and, most importantly, does not necessitate any pipe openings.   View products: https://www.flo-instruments.com/sale-35812460-st502-fixed-high-measurement-accuracy-ultrasonic-flowmeter.html

PORTABLE ULTRASONIC FLOWMETER The "Model: PH301" from Flo-Instruments Co., Ltd. is an ideal tool for clamp-on liquid flow measurement in all types of applications. It's equipped with carrying case and built-in rechargeable Li-battery, which allow users to measure anywhere and anytime at site.   Among the most important features we can mention: 1. Non-contact measurement of all types of liquids. 2. Transducers for measuring pipes from 25 mm to 5000 mm. 3. Measuring Temperature: -40°C to +120°C. 4. Outputs: 4-20mA 5. Battery Autonomy: up to 12 hours. 6. Built-in 2G SD card and replace bigger memory SD card compatible with device by yourself. 7. Enclosure: IP65, suitable for outdoor use. 8. Transducer: IP68, suitable for outdoor use.   Applications: 1) Petrochemicals Industry (acids, solvents, diesel oil etc.) 2) Food and beverages (CIP systems etc.) 3) Pharmaceuticals (ultra-pure water, sterile fluids, cleaning systems etc.) 4) Water Treatment & Distribution (WTS system, sewage treatment etc.) 5) HVAC (office building, shopping mall, hospital, subway station etc.) 6) Cooling Tower (condensate, refrigeration, chilled water etc.) 7) More details, kindly visit FLO-Instruments Co., Ltd.    

Ultrasonic flow meters from Flo-Instruments have been widely applied in many fields:   ■ water treatment plant ■ sewage treatment plant ■ building management system(BMS) ■ HVAC    ☆ library    ☆ hospital    ☆ shopping mall    ☆ office building    ☆ museum ... ... ■ recirculating aquaculture system(RAS) ■ data center ■ cooling tower ■ swimming pool system ■ power generation supply ■ cleaning/washing industry ■ agricultural irrigation ■ petrochemical ■ pharmaceutical ■ food & beverage ... ...   We will develop and broad more markets and applications in future. Also thank every client to our support and encouragement.

Ultrasonic flow meters use ultrasonic technology to measure flow rate in the pipeline without needing to contact the fluid physically. It optimize efficiency and functionality, catering to a variety of applications, which makes it and HVAC fields match perfectly.   This content overviews the significance of ultrasonic flow meters in HVAC applications, outlining its suitability across different scenarios, the intricacies of its design and operating principles, and the essential criteria for selecting the appropriate product for specific HVAC needs.   The Application of Ultrasonic Flow Meter in HVAC   Ultrasonic flow meters are well-received in HVAC fields for its accuracy, reliability, and non-intrusive measurement capabilities. These features make it indispensable tools for maintaining HVAC systems' efficiency, performance and longevity.   → Chilled Water Systems ✮ Application: Monitoring chilled water flow to various parts of a building for cooling. ✮ Advantage: Ultrasonic flow meters provide accurate flow measurements without obstructing the water path, ensuring optimal cooling performance without pressure drops.   → Hot Water Heating Systems ✮ Application: Measuring the flow of hot water used for heating purposes. ✮ Advantage: Its non-invasive nature allows continuous operation without the risk of transducer corrosion or degradation due to hot water, ensuring long-term reliability.   → Energy Management ✮ Application: Collecting data on water flow rates to optimize energy usage in heating and cooling applications. ✮ Advantage: Ultrasonic transducers can accurately measure flow rates in real-time, providing valuable data for energy-saving strategies without pausing system operation.   → Leak detection ✮ Application: Identifying leaks in pipes to prevent energy loss and damage to the system. ✮ Advantage: It can detect changes in flow rate that might indicate a leak, offering a non-intrusive method to maintain system integrity.   → System Balancing ✮ Application: Ensuring that water flow is evenly distributed throughout the HVAC system for consistent temperature control. ✮ Advantage: The accuracy of ultrasonic flow meters allow for fine-tuning of flow rates, facilitating effective system balancing without direct contact with the liquid.   The Design & Operating Principle of Ultrasonic Flow Meter   The design of an ultrasonic flow meter combines accuracy, efficiency, and versatility. At its core, the transducer employs ultrasonic technology to measure the flow rate of a liquid within pipeline without any physical contact with the liquid itself.   Key Components Transducers: The transducers emit and receive ultrasonic waves. These are typically piezoelectric transducers that convert electrical energy into ultrasonic sound waves and vice versa. Positioned on opposite sides of the pipe, one transducer acts as the transmitter, sending ultrasonic waves through the fluid, while the other serves as the receiver, capturing the waves after they have traversed the fluid.   Electronic circuitry: This component processes the signals from the transducers. It calculates the time it takes for the ultrasonic wave to travel with the flow of the fluid versus against it. The difference in these times is directly related to the flow rate of the fluid.   Display and interface: Ultrasonic flow sensors typically have digital displays and interfaces for easy reading and configuration. Users can view flow rates in real-time and adjust settings as needed for specific applications.   Temperature sensor: The temperature sensor collects fluid temperature data to compensate for temperature effects on the flow rate.   Shell: The shell houses the electronic components and provides protection against environmental factors. It is designed to withstand the conditions of the environment in which the sensor operates, whether it be outdoor weather conditions or the harsh environments of industrial applications.   Operating Principle The operation of an ultrasonic flow meter is based on the transit-time principle. This method involves measuring the time it takes for an ultrasonic signal to travel a known distance with the flow of the fluid compared to against the flow. When the fluid is moving, the transit time for the ultrasonic wave traveling downstream (with the flow) is shorter than the time for the wave traveling upstream (against the flow). The difference in these transit times is proportional to the flow rate of the fluid. Selection Criteria Fluid type and composition: Ensure compatibility with the fluid (e.g., water, water-glycol mixtures) and its characteristics (particulates, bubbles).   Flow rate range: Choose a sensor that covers the expected minimum and maximum flow rates accurately.   Pipe size and material: Match the sensor to the pipe's size and material for accurate measurements.   Temperature and pressure range: The sensor should operate effectively within the system's temperature and pressure conditions.   Accuracy requirements: Select a sensor with the necessary accuracy and repeatability for the application.   Installation and maintenance: Opt for sensors that are easy to install and maintain, considering clamp-on vs. inline options.   Output and communication options: Ensure the sensor's output signals and communication protocols are compatible with the control systems.   Environmental conditions: The sensor should withstand the operating environment, including moisture, dust, and potential chemical exposure.   Power supply: Verify the sensor's power requirements match the available sources.   Budget and cost of ownership: Consider both the initial cost and the long-term expenses related to operation and maintenance.   FAQs What is an HVAC ultrasonic flow meter? An HVAC ultrasonic flow meter measures flow rates using ultrasonic waves, offering non-intrusive, accurate readings for hot water and chilled water in HVAC systems.   How does an ultrasonic flow meter work? An ultrasonic flow meter has two transducers that send and receive ultrasonic waves. These measure the speed of wave travel with the fluid flow and against the fluid flow.   How accurate is an ultrasonic flow meter? Ultrasonic flow meters are highly accurate, typically with less than 1% error.   Can ultrasonic flow meters detect liquid flow in HVAC systems? Yes, ultrasonic flow sensors are versatile, capable of accurately measuring liquid flow rates in various HVAC applications.

In the field of liquid measurement, ultrasonic flow meter is a non-contact measuring instrument with high accuracy. Among them, the two commonly-used types are multi-channel ultrasonic flow meters and single-channel ultrasonic flow meters. What are the differences in use between these two flow meters? This article will show what you want to know for you.   1. Working Principle ---The two-channel ultrasonic flow meter uses the combination of two pairs of transducers, which are installed on both sides of the pipe to form two sound channel paths. Flow velocity and flow rate are calculated by measuring the time difference in ultrasound propagation along the two acoustic channel paths. Therefore, the two-channel ultrasonic flow meter has higher measurement accuracy and stability.   ---The single-channel ultrasonic flow meter has only a pair of transducer, usually installed on one side of the pipe. It calculates flow velocity and flow rate by measuring the propagation time of ultrasound in the fluid. Because the single-channel ultrasonic flow meter has a simple structure and is easy to install, it is more suitable for some application environment with small flow rates.   2. Installation Scenarios ---Two-channel ultrasonic flow meter is suitable for situations with a wide pipe size range, such as large pipe diameters, high flow rates, high viscosity, etc. Since the dual-channel ultrasonic flow meter uses two channel paths, the error can be reduced and the measurement accuracy can be improved. In addition, the two-channel ultrasonic flow meter also has better signal processing capabilities and can resist noise interference.   ---Single-channel ultrasonic flow meter is suitable for application environment with small flow rate, such as small pipe diameter, low flow rate, etc. Since there is only one channel path, the measurement accuracy of single-channel ultrasonic flow meter is relatively low. In addition, single-channel ultrasonic flow meters have weak signal processing capabilities.   3. Advantages & Benefits ---The two-channel ultrasonic flow meters include high measurement accuracy, good stability. In addition, two-channel ultrasonic flow meters can provide more liquid information, such as flow velocity distribution, flow pattern, etc.   ---The single-channel ultrasonic flow meters include simple structure, easy installation, and relatively low price.   4. Conclusion Single-channel ultrasonic flow meters have a simple structure and are easy to use. They have relatively poor adaptability to changes in flow distribution, and the measurement accuracy is difficult to control. It is generally used in small and medium-diameter pipelines, where the liquid stability changes little and the measurement accuracy is not high.   Two-channel ultrasonic flow meter installs two pairs of transducers in the pipe under test to form multiple ultrasonic channels, and the flow rate is obtained by combining the measurement results of each channel. Compared with single-channel ultrasonic flow meters, two-channel flow meters have strong adaptability to changes in flow distribution, the measurement accuracy is easy to control, and they are more stable. It can be used in large-diameter pipelines and sites with complex flow distribution. The cost of two-channel ultrasonic flow meter is higher than that of single-channel ultrasonic flow meter. Therefore, the appropriate flow meter equipment should be selected according to the site conditions.

As we have known, Flow Meter is an instrument or device used to measure the flow rate and flow velocity of liquid(This article mainly explains liquid flow measurement). It's widely used in a variety of industrial, laboratory and commercial applications to monitor and control the flow of fluids. Flow meters are important to many industries and fields, including chemicals, oil and gas, water treatment, medical equipment, food and beverage manufacturing, and more.   The main functions of the flow meter include the following: 1. Measure flow velocity: A flow meter can measure the speed of fluid through pipeline, usually expressed in speed units, such as m/s or ft/s. 2. Measuring flow volume: A flow meter can measure the total volume or mass of liquid passing through a period of time, usually expressed as a cumulative value. 3. Control flow: In some applications, flow meters can also be used to control the flow of fluid to ensure the stability and consistency of the fluid in the system.   Flo-Instruments Co., Ltd. has rich expertise and innovation spirits in the field of flow measurement technology. Our ultrasonic flow meters are known for its accuracy, reliability, and high-quality, making Flo-Instruments ideal for a wide range of applications and various industries.   I firmly believe that a strategic partnership between our companies could be mutually beneficial and give us more added values.     So, why to choose our company? Here are some key reasons why collaborating with Flo-Instruments can add value to your business:   From the perspective of company:     Cutting-Edge Technology: our products are equipped with the most advanced technology and very experienced engineers, as well as a complete set of calibration device, ensuring accurate and real-time flow measurement for each client.   Global Business: our products are promoted and exported to all over the world so as to provide valued reference and access to new markets for clients.   Technical Support: we offer comprehensive technical support and training to ensure your team can better understand and promote our products.   OEM Service: we support private brand and OEM customization, even can work closely with your team to develop tailored solutions that meet the unique needs of your clients.   Reliability: Our products are known for its reliability and high-quality, which can help you enhance recognition in the market.   Original Manufacturer: we can ensure production capacity, cost control, quality control, R&D capabilities, supply chain management etc.     From the perspective of products:   Various Types: from transmitter, there are wall-mounted, portable, integrated and separate; from transducer, there are clamp-on, clip-on and insertion; from function, there are flow meters, BTU meters and energy meters; from pipe size, there are targeted models that suitable for small, medium, large etc.   Wide Range of Applications: our products are widely used in various industries, such as building management, HVAC, cooling tower, power generation plant, petrochemical industry, water treatment, aquaculture, irrigated agriculture, swimming pool, data center, IoT, pharmaceutical industry, food & beverage etc.   Physical Properties: these properties include unique appearance design, fewer steps for installation, good waterproof performance, no need to cut pipes, real-time data, no pressure drop, digital communication, bi-directional measurement ect.   International Certificates: we have passed CE, ISO9001, RoHS, UKCA certificate so as to help us enhance company international competitiveness and improve environmental awareness.     We're so expected to further discuss with you how we can collaborate to bring more added values to your customers.

TM601 is a clip-on ultrasonic flow meter, adopting transit-time method measurement and having the accuracy of 2.0%. It can be suitable for various liquids measurement, such as regular water, pure water, hot water, cooling water, sea water, diesel oil, alcohol, etc. In addition to it, the smallest pipe diameter can support DN4 (9.5mm ~ 10.5mm) and the biggest can be up to DN200 (218.0mm ~ 228.0mm). TM601 is a easy and simple product that is very applicable for small pipe diameter. It has the advantages of simple menu, clear interface, easy installation and fast response, which also enables TM601 to play an important role in flow measurement.   Therefore, where can TM601 be widely applied in? Actually, TM601 can realize the best value in many application fields, as follows: 1. Water Treatment System (WTS) 2. Wastewater/Sewage Treatment System 3. Cooling Water system 4. Heating Ventilation and Air Conditioning (HVAC) 5. Building Management System (BMS) 6. Recirculating Aquaculture System (RAS) 7. Agriculture Irrigation 8. Washing/Cleaning Industries 9. and so on   If need know more details, welcome to click the link below: https://www.flo-instruments.com/sale-38005398-tm601-ultrasonic-flow-meter-with-rs485.html