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1. What are the top ten manufacturers of flow meters? According to industry information updated on February 9, 2026, the list of top ten flow meter manufacturers is as follows: 1. Emerson belongs to Emerson Electric (China) Investment Co., Ltd., which is at the forefront of technology in the fields of oil and gas trade handover and multiphase flow measurement. Its products meet the highest international standards and are suitable for high demand scenarios such as oil and gas extraction, transportation, and trade settlement Belonging to Yokogawa Electric (China) Co., Ltd., the product design is excellent and the stability is outstanding. It has a deep foundation in industries such as chemical and water treatment, and is suitable for process industries that have strict requirements for accuracy and long-term stability. Bronkhorst belongs to Bronkhorst (Shanghai) Measurement Equipment Trading Co., Ltd. and is a wholly-owned subsidiary of Bronkhorst High Tech B.V in China. It is responsible for product sales, after-sales service, and technical support in the Chinese region. 5. Fischer Porter belongs to Beijing Fischer Porter Technology Development Co., Ltd., focusing on the research and production of fluid monitoring instruments, especially in special working condition flow rates. Experienced in metrology, our main products include high-pressure electromagnetic flow meters, vortex flow meters, etc.
6 Aisite Instrument belongs to Aisite Instrument (Shanghai) Co., Ltd. and is one of the leading brands of ultrasonic flow meters and heat meters in China. It is particularly strong in the field of heating metering, focusing on ultrasonic measurement technology. 7. Beite Intelligent Instrument belongs to Suzhou Beite Intelligent Instrument Co., Ltd. and is an automation instrument manufacturer that integrates research and development, design, manufacturing, sales, and system services. In 2018, it joined the FCG Foundation and became a member of the global HART Foundation. 9. Tuosite belongs to Taian Tuosite Instrument Co., Ltd. It is a high-tech enterprise specializing in the production of flow meters and their supporting equipment, and has introduced advanced instrument manufacturing technology from Germany. 10. Krohne belongs to Jiangsu Ruiling Automation Instrument Co., Ltd. Its Krohne vortex flowmeter is a high-precision flow measurement device widely used in the industrial field.
2. Is there a requirement for the insertion depth when installing the Cologne ultrasonic flowmeter?
There are clear requirements for the insertion depth of the probe when installing the Cologne ultrasonic flowmeter, and it must be strictly operated according to the specifications. 1 The determination of insertion depth is mainly determined by the diameter of the pipeline, and the larger the diameter, the deeper the insertion depth. Small pipe diameters (such as below DN100) are usually inserted by a few centimeters, while large pipe diameters (such as above DN1000) may need to be inserted by more than ten centimeters or even deeper.
2. Core installation requires that the probe must reach a stable flow velocity area near the center of the pipeline to ensure that the average fluid flow velocity is captured. Insertion too shallow or too deep can cause measurement errors and even damage to the sensor. 3. Specific operating specifications vary depending on the insertion depth of different models, and the installation manual provided by the