Shanghai Xunyin Technology Co., Ltd (XY-TEK) is a high‑tech manufacturer of ultrasonic flow sensors and meters, specializing in small‑diameter tubing and low flow rate measurements for fluid management and control. Established in 2018, the company operates from a 5,000 m² facility in Shanghai and exports to global markets, serving industries such as medical devices, bioprocessing, industrial automation, and food & beverage production.

Why Precision Flow Sensing Matters More Than Ever

In sectors ranging from life‑support medical equipment to high‑speed automated manufacturing lines, the ability to accurately measure and monitor fluid flow without contaminating the process has become a critical requirement. Traditional mechanical flow meters introduce moving parts, pressure drops, and wear over time, while contact‑based sensors risk cross‑contamination. This has driven a shift toward non‑invasive ultrasonic technology that can measure flow externally while maintaining fluid integrity.

XY-TEK’s Ultrasonic Flow Sensor Portfolio

XY‑TEK has developed a comprehensive product line covering clamp‑on, inline, single‑use, and bubble detection sensors, each designed for specific operational environments. The core technologies rely on the ultrasonic time‑difference method, enabling real‑time, non‑contact flow measurement with no moving parts.

CG Series Clamp‑on Flow Sensor – A versatile clamp‑on sensor with a flow range of 0.02 – 20 L/min and ±1 % accuracy. It features air bubble detection, bi‑directional flow sensing, and outputs including analog, pulse, and RS485. The CG series is used in industrial automation, biopharmaceutical, and medical device applications.

CPD Series Clamp‑on Flow Sensor – A non‑invasive industrial sensor (0.1 – 50 L/min, ±2 % accuracy) with built‑in LED display. It is designed for water treatment, food & beverage, and semiconductor industries, supporting air bubble monitoring and digital output.

TPK / TPD Series Inline Flow Sensors – These inline meters (0.5 – 100 L/min, ±2 % accuracy) are constructed from stainless steel and engineering plastics, with no moving parts and low maintenance. They target industrial automation, battery manufacturing, chemical processing, and liquid cooling systems.

SU Series Single‑use Flow Sensor – Made of biocompatible polymer materials, this sensor measures 0.05 – 10 L/min and is intended for single‑use biopharma and medical manufacturing. It supports sterile applications and hygienic fluid monitoring.

TH Series Pulsatile Flow Sensor – A hemodynamic ultrasonic sensor (0.01 – 15 L/min, ±2 % accuracy) designed for cardiovascular flow testing in research and medical laboratories.

BG Series Bubble Detector – A non‑contact ultrasonic bubble sensor with customizable detection range and response time, used in medical devices, bioprocess, and food & beverage dosing.

Precision in Practice: Key Application Scenarios

The versatility of XY‑TEK sensors is reflected in three major verticals documented in its application portfolio.

Medical Device & Life‑Support Systems
XY‑TEK flow sensors are used for non‑invasive, contamination‑free monitoring of blood flow in dialysis machines, ECMO circuits, and artificial heart catheters. The CG series clamps onto medical‑grade soft tubing and detects air bubbles in extracorporeal circulation, directly improving patient safety. The TH series adds high‑speed pulsation capture for cardiovascular research. These applications are deployed in markets including the United States, Germany, Japan, and Singapore.

Biopharmaceutical Process Flow
In cleanroom environments, XY‑TEK’s clamp‑on sensors provide real‑time monitoring of buffer solutions, culture media, and purified water without contacting the fluid. They detect air bubbles and abnormal flow conditions in bioreactors, peristaltic pumps, and filtration systems. The SU series single‑use sensor further supports sterile applications for consumable bioprocess lines.

Industrial Automation & Precision Manufacturing
For spraying, dispensing, and cleaning systems, XY‑TEK’s CPD and TPK series deliver micro‑flow resolution down to 0.05 mL/min. The sensors operate in dusty, humid indoor environments and support closed‑loop control and data traceability. Common applications include selective wave soldering, coating machines, and liquid supply pumps in German and U.S. factories.

Market Trends and Supply‑Side Indicators

XY‑TEK’s export ratio of 50 % and its global customer base reflect the international demand for non‑invasive flow sensors. The company’s ability to offer both standard and OEM‑customized solutions aligns with the growing trend of equipment manufacturers integrating flow measurement directly into their systems. With a lean team of 50 employees and a dedicated R&D arm, XY‑TEK positions itself as a responsive partner for niche flow‑sensing needs.

Comparison with Conventional Flow Measurement

Compared to mechanical turbine or gear meters, ultrasonic flow sensors eliminate moving parts, pressure loss, and mechanical wear, which reduces maintenance and improves long‑term reliability. They also avoid fluid contamination – a critical advantage in medical and bioprocess settings. However, ultrasonic technology is best suited for clean, low‑particulate fluids; heavily aerated or high‑viscosity media may still require alternative measurement approaches such as Coriolis or positive displacement.

Outlook for Specialized Flow Sensors

As automation and precision medicine advance, the demand for compact, non‑invasive, and high‑accuracy flow sensors will continue to grow. XY‑TEK’s focused expertise on small‑diameter, low‑flow applications positions it to serve both established medical OEMs and emerging industrial automation integrators. Further developments in sensor miniaturization, digital output standardization, and single‑use bioprocess compatibility are expected to drive the next generation of XY‑TEK’s product roadmap.

— For inquiries: global@xy‑tek.cn | Tel: 86‑21‑33885752 —