AWM5101VN Air Flow Sensor for Medical Devices Industrial Process Control Consumer Electronics
| Temperature range |
-20° to +70°C, (-4° to 158°F) |
| Weight |
60 grams (2.12 oz.) |
| Shock ratings |
100 g peak, 6 msec half-sine (3 drops, each direction of 3 axes) |
| Output @ laser trim point |
5 VDC @ Full Scale Flow |
Output voltage shift
+20° to -25°C, +20° to 70°C |
Suffix VA or VN ±7.0% Reading, Suffix VC ±10.0% Reading |
| Repeatability & Hysteresis |
±3.0% Reading (max.) |
| Repeatability & Hysteresis |
±0.5% Reading (max.) |
| Leak rate, max |
0.1 psi/min. at static condition |
The AWM5101VN belongs to AWM5100 series, featuring a microbridge MEMS sensing element that detects mass flow directly without temperature or pressure compensation. It is optimized for clean, dry gases (air or non-corrosive gases) and delivers a linear analog output proportional to flow rate. With its compact surface-mount package and low power consumption, it is widely used in medical devices, HVAC systems, and industrial process control where space and energy efficiency are critical.
Key Features
- Direct Mass Flow Measurement: Eliminates the need for additional temperature/pressure compensation, simplifying system design and improving measurement accuracy.
- Analog Output: 0.5 V – 4.5 V signal range (0 flow = 2.5 V, bidirectional flow = ±2 V deviation) for easy integration with microcontrollers.
- Compact & Low Power: SMD package saves PCB space; low power consumption (typ. 60 mW) suits battery-powered devices.
- Bidirectional Flow Detection: Supports both forward and reverse flow measurement, expanding application flexibility.
- Robust MEMS Design: Microbridge technology ensures long-term stability and resistance to mechanical stress.
Typical Applications
- Medical devices: Respirators, nebulizers, oxygen concentrators, and CPAP devices.
- HVAC & building automation: Air flow monitoring in ventilation systems and air purifiers.
- Industrial process control: Low-flow gas metering in precision manufacturing and analytical instruments.
- Consumer electronics: Gas flow detection in fuel cells and miniaturized air quality monitors.
- Automotive: Cabin air flow sensing (specialized variants) and emissions monitoring modules.
Operations & Standards
Frequently Asked Questions
1. Is your product new and original?
Of course, our products could accept any testing. If there are any quality questions, we will take responsibility.
2. What is your warranty policy?
We offer a warranty within 90 days after the package has been received.
3. How do you handle quality problems?
If you encounter any questions or technical issues, we can offer professional technical support or a return service.
4. What is the typical lead time for shipping?
There is no lead time for instock products. Most of the parts can be shipped out within 3 days after confirmation of the payment.
5. Does the AWM5101VN sensor require temperature or pressure compensation?
No, the AWM5101VN features a microbridge MEMS sensing element that detects mass flow directly, eliminating the need for additional temperature or pressure compensation.
6. What types of gases is this sensor optimized for?
It is specifically optimized for clean, dry gases, such as air or other non-corrosive gases.
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