Microflow gas mass flow sensor

Main Features:

This series comprises micro‑flow gas mass flow sensors specially designed for medical devices, analytical instruments, gas‑powered equipment, and industrial process‑control applications. Featuring a black engineering‑plastic housing and a straight‑through pipe‑fitting interface, the sensors incorporate an integrated thermal‑flow sensing element and signal‑processing circuitry. Leveraging the principle of heat transfer, they deliver precise measurement of gas mass flow rates, making them well suited to a wide range of applications—including ventilators, nebulizers, gas analyzers, gas appliances, and small industrial equipment—for gas‑flow monitoring and control. They provide a stable, reliable solution for low‑flow gas detection in these systems.

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Category:

Automotive Electronics

Keyword: Microflow gas mass flow sensor

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Core Features

Thermal mass flow measurement, no pressure compensation required. It employs a thermal‑sensing principle to directly measure gas mass flow, unaffected by variations in gas temperature and pressure, and requires no additional pressure or temperature compensation, ensuring stable and reliable measurement data.
Microflow detection with high accuracy and fast response. Designed for low‑flow gas applications, it can detect flow rates as low as a few sccm, with fast response, excellent linearity, and high repeatability, meeting the flow‑control requirements of precision equipment.
Straight-through pipe connection, easy to install. It features a straight-through pipeline interface design, allowing direct series connection in gas pipelines without the need for additional tooling. It is compatible with standard hose connections, making installation straightforward and maintenance convenient.
Standard connector output, compatible with control systems. It adopts a standard connector design, supporting power supply and digital/analog signal output, and can be directly interfaced with microcontrollers, controllers, or data acquisition systems—eliminating the need for additional signal-conditioning circuitry and shortening the development cycle.

Typical application scenarios

Medical Devices: Gas Flow Monitoring and Control for Ventilators, Nebulizers, and Oxygen Concentrators
Analytical instruments: gas analyzers, chromatographs, and gas flow measurement for laboratory equipment.
Gas appliances: gas flow monitoring and safety control for gas water heaters, wall‑mounted boilers, and gas stoves.
Industrial Process Control: Flow Monitoring for Small Industrial Equipment, Pneumatic Systems, and Gas-Transportation Systems
Environmental protection equipment: gas flow measurement for gas sampling, exhaust gas monitoring, and air purification systems.

Technical Specifications Reference

Measuring media: air, oxygen, nitrogen, and other non-corrosive gases (other media can be customized upon request).
Measurement range: 0–10 SLM (customizable to different micro‑flow ranges upon request)
Measurement accuracy: ±3% FS (typical value, customizable upon request)
Response time: ≤100 ms (typical value)
Output signal: Digital signal (I2C/UART) or analog signal (0–5 V, customizable)
Housing material: black engineering plastic
Interface Specifications: Straight-through pipe connection (compatible with standard hoses; customizable upon request)
Connector specifications: Standard multi-pin connector (customizable upon request)
Operating voltage: DC 3.3–5 V (typical)
Operating temperature: 0°C to +50°C
Protection rating: IP40 (enclosure design)
Certification standards: RoHS, REACH; supports verification standards for medical and industrial equipment.

Customized Solutions

We offer end-to-end custom solutions, tailoring measurement ranges, sensing media, output signals, interface specifications, and protection ratings to suit your specific application scenarios, helping your equipment achieve precise and reliable micro‑flow gas detection.

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