Plug-in Micro-Flow Gas Mass Flow Sensor

Main Features:

This series comprises plug‑in micro‑flow gas mass flow sensors specially designed for small devices, medical instruments, gas‑powered equipment, and industrial control applications. Featuring a black engineering‑plastic housing and straight‑through pipe fittings, the sensors incorporate a thermal‑type flow‑sensing element and an integrated signal‑processing circuit. Leveraging the principle of heat transfer, they deliver precise measurement of gas mass flow rates, making them ideally suited to meet the gas‑flow monitoring and control needs of ventilators, nebulizers, gas analyzers, gas appliances, and compact industrial equipment—providing a stable and reliable solution for low‑flow gas detection.

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Category:

Automotive Electronics

Keyword: Plug-in Micro-Flow 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 enables flow measurement at very low flow rates, with fast response, excellent linearity, and high repeatability, thereby 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, compatible with standard hose fittings, and offering simple installation and convenient maintenance.
Straight-through pin design, integrated for convenience. : It employs through-hole metal leads that can be directly soldered onto the PCB, eliminating the need for additional adapters, thereby simplifying the device integration process and reducing development costs.

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: non-corrosive gases such as air, oxygen, and nitrogen (other media can be customized upon request)
Measurement range: 0–5 SLM (customizable to different microflow ranges upon request)
Measurement accuracy: ±3% FS (typical value, customizable upon request)
Response time: ≤100 ms (typical value)
Output signal: analog signal (0–5 V) or digital signal (customizable)
Housing material: Black engineering plastic
Interface Specifications: Straight-through pipe connection (compatible with standard hoses; customizable upon request)
Pin configuration: Through-hole metal leads (3 pins)
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 validation 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 your specific application needs, helping your equipment achieve precise and reliable micro‑flow gas detection.

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