AWM3300V AWM3000 Series Amplified Mass Airflow Sensor
1000 sccm Rated Flow x ±1% Reading Accuracy — High-Flow Mass Airflow Sensing for Medical and HVAC Applications
AWM3300V Product Overview
The AWM3300V is an amplified mass airflow sensor from the AWM3000 Series, designed for the electronic measurement of dry gas flow using dual Wheatstone bridge configurations with on-board signal conditioning . The amplified radial port variant features laser-trimmed calibration for improved sensor interchangeability, enabling increased gain and voltage offset adjustment to the sensor output without external circuitry .
Rated for a nominal flow of 1000 sccm with a bi-directional measuring range of ±1000 sccm , it outputs an analog voltage signal with 5 VDC at the trim point and a null voltage of 1.00 ±0.10 VDC . Accuracy is ±1% Reading with repeatability and hysteresis of ±1% Reading . Response time is 3 ms maximum and power consumption is 60 mW maximum. Supply voltage range is 8 V to 15 Vdc . Mass is 10.8 g and operating temperature range is -25°C to 85°C . Maximum common-mode pressure is 25 psi with a maximum allowable flow change rate of 5 SLPM per second to prevent damage .
AWM3300V Key Specifications
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Parameter |
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Flow range |
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Output signal (at trim point) |
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Null voltage |
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Accuracy |
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Repeatability & hysteresis |
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Response time (tr) |
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Supply voltage (VC) |
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Power consumption |
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Port size |
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Port style |
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Common mode pressure |
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Operating temp (TA) |
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Mass (m) |
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Mounting |
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Body material |
AWM3300V Key Advantages
The AWM3300V employs precision silicon micromachining with dual Wheatstone bridge amplification, delivering ±1% accuracy and repeatability while providing fully signal-conditioned output for direct system integration . The 1000 sccm range provides high-flow measurement capability for demanding airflow applications, while the 3 ms response time captures rapid flow transients in critical medical and industrial processes . The radial port accommodates versatile gas delivery system layouts and the laser-trimmed calibration ensures excellent sensor-to-sensor interchangeability without the need for individual system calibration . The integrated amplification enables direct connection to ADCs and microcontrollers, simplifying design-in and reducing BOM costs .
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