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The handheld ultrasonic flow meter operates on the principle of time-difference ultrasonic measurement; it is a completely new, universal, and multi-functional ultrasonic flow meter that incorporates advanced non-contact flow measurement technologies from around the world, as well as sophisticated multi-pulse broadband digital technology. It offers high precision, high stability, versatility, easy installation, and reliability for measurement systems, enabling data to be obtained within minutes. It features a unique dual-time-base time amplification operation method, advanced DSP signal processing and computation techniques, as well as digital calibration technology for average flow velocity. Working Principle and Overview Digital multi-pulse broadband technology is a technology that has evolved from broadband technology. The transducer does not emit a single pulse through the wall of the tube; instead, it emits bursts of up to about 100 pulses per group, resulting in a signal strength that is nearly 100 to 1000 times greater. In this way, even if the emission of pulses is interrupted, there is still sufficient signal to meet the requirements for measuring flow rate with a handheld ultrasonic flow meter, allowing for reliable measurement even in the presence of a certain amount of bubbles and suspended particles. It is not affected by changes in the properties of the fluid, which allows a single transducer to transmit and receive signals over a wide frequency range. It can be used with pipes of various diameters (for example, 25mm to 4000mm), and just one set of sensors is sufficient to meet the user’s needs. When used on pipes, such transducers are capable of transmitting sound wave signals with no distortion, excellent stability, and high amplitude; moreover, a single set of sensors enables high measurement accuracy. Applications: The handheld ultrasonic flow meter is a comprehensive system for measuring liquid flow using ultrasonic technology, and it is suitable for: 1. Drinking water, raw water, seawater, circulating water; 2. Sewage; 3. Cooling water and hot water; 4. Ultra-pure water and various liquids; 5. Mixtures of water and ethylene glycol; 6. Heavy oil and crude oil; 7. Hydrocarbon liquids from refineries; 8. Diesel and fuel oils; 9. Lubricating oils. Features: 1. Result of advanced research in handheld ultrasonic flow meters – high precision, high reliability, and stability. 2. Full-digit time-difference measurement, full-digit signal processing, and automatic zero-point adjustment. 3. Multi-processor modular design for easy system upgrades. 4. Easy to carry, lightweight, and user-friendly. 5. Capable of measuring flow velocity, instantaneous flow rate, cumulative flow volume, and flow trends. 6. Large LCD display. 7. Built-in rechargeable battery that allows operation for over 48 hours. 8. Can be equipped with a thickness gauge. 9. Suitable for most pipe diameters and materials, including those with linings. 10. Its excellent performance has been verified by numerous authoritative testing institutions in China. Key technical specifications of the handheld ultrasonic flow meter: 1. Measurement accuracy: ±1%. 2. Capable of measuring extremely low flow rates, down to a minimum flow velocity of 0.01 m/s. 3. Sensor diameter range: Suitable for pipe diameters ranging from 15 mm to 4800 mm. 4. Power supply: Built-in rechargeable battery. Power supply: 220VAC 50HZ～60HZ±15% @ 5VA max. 5. One pair of sensors can meet the measurement requirements for different materials and pipe diameters. 6. Applicable medium temperature: Standard sensors –40～120°C; high-temperature sensors –40～180°C (optional). 7. Output option of 4-20mA or frequency. For more information, please visit the company’s official website at http://www.yb1518.com/. Please retain this link when reproducing the content! http://www.yb1518.com/UploadFiles/20101115155614805.jpg