Gas flow Sensor


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The AFM3000 medical flow sensor is Aosong’s digital flow meter designed specifically for ventilator applications. It measures the flow rate of air, oxygen and other non-aggressive gases with superb accuracy.

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A special design of the mass flow sensor  channel results in the very low pressure drop through the flow body of the sensor making it extremely suitable for very demanding applications, such as medical ventilation and respiratory applications.

The AFM3000 operates from a 5 Volt supply voltage and features a digital I2C interface. The measurement results are internally linearized and temperature compensated.

The outstanding performance of this mass flow sensor is based on Aosong’s sensor technology, which combines a thermal sensor chip and a high-performance integrated 24-bit AD acquisition CMOS microprocessor. The flow rate of the gas is measured by a thermal sensor element which assures very fast signal processing time and bidirectional measurement with best-in-class accuracy.

2. Features;

● Low pressure drop
● Flow range: +/- 200 slm (bidirectional)
● Accuracy 1.5% m.v. (typical)
● Very fast update time
● Fully calibrated & temperature compensated
● Low zero drift

3. Applications;

Medical、Process automation、Burner control、Fuel cell control、Spectroscopy、Environment monitoring、Laboratory

4.  OEM industry customization and solutions;

Our company is committed to research and development of various sensors, with professional R&D laboratories and equipment, supporting a variety of simulation environment experimental conditions, to create high-quality product production and inspection process.The AFM3000 is one of the chips independently developed and manufactured by our company. The flow range and independent flow channel structure can be customized according to the application site and customer needs. Aosong professionally provide customers with complete application solutions