Description
AWM5101VN Honeywell Airflow Sensor
In-Line Flow Measurement
AWM5000 Series Microbridge Mass Airflow Sensors feature a venturi type flow housing. They measure flow as high as 20 standard liters per minute (SLPM) while inducing a maximum pressure drop of 2.25N H2O. The microbridge chip is in direct contact with the flow stream, greatly
reducing error possibilities due to orifice or bypass channel clogging.
Rugged, Versatile Package
The rugged plastic package has been designed to withstand common mode pressures up to 50 psi, and the small sensing element allows
100 gs of shock without compromising performance. The included ‘‘AMP’’ compatible connector provides reliable connection in demanding applications.
On-board Signal Conditioning
Each AWM5000 sensor contains circuitry which performs amplification, linearization, temperature compensation, and gas calibration. Figure 1 (Heater Control Circuit) and Figure 2 (Sensor Bridge Circuit and Amplification Linearization Circuit) illustrate the on-board electrical circuitry
for the AWM5000 Series. A 1 to 5 VDC linear output is possible for all listings regardless of flow range (5, 10, 15, or 20 SLPM) or calibration gas (nitrogen, carbon dioxide, nitrous oxide, or argon). All calibration is performed by active laser trimming.
FEATURES
Linear voltage output
Venturi design
Remote mounting capability
Active laser trimming improves interchange ability
Separate gas calibration types:
– Ar (argon)
– N2 (nitrogen) or
– CO2 (carbon dioxide)
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