AWM43300V Honeywell Airflow Sensor

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Product Details:

Product	Description
Brand	Honeywell
Model no.	AWM43300V
Flow range (full scale)1	+1000 SCCM
Calibration gas	nitrogen
Recommended excitation voltage	10.000 ±0.010 Vdc
Power supply: minimum maximum	8.000 Vdc 15.000 Vdc
Power consumption	60 mW max.
Output at laser trim point	5 Vdc ±0.15 Vdc at 1000 SCCM
Null output	1.000 Vdc ±0.050 Vdc
Null output shift (-25°C to 85°C)	±0.025 Vdc max.
Output voltage shift: 25°C to -25°C 25°C to 85°C	-5.0 % reading max. +6.0 % reading max.
Repeatability and hysteresis1	±0.5 % reading max.
Pressure drop at full scale	1.02 inH20 typ.
Response time2	1.0 ms nom.

Above specifications mentioned are for quick reference only. Actual technical details has to be obtained from below catalog.

Description

AWM43300V Honeywell Airflow Sensors

The AWM40000 Series Airflow Sensors are based on proven microbridge technology and include both unamplified sensor-only devices
and amplified signal conditioned devices. The microbridge mass airflow sensor operates on the theory of heat transfer. Mass airflow is directed across the surface of the sensing elements. Output voltage varies in proportion to the mass air or other gas flow through the inlet and outlet ports of the package.
This sensor has a unique silicon chip based on advanced microstructure technology. It consists of a thin film, thermally-isolated bridge structure containing heater, and temperature sensing elements. The bridge structure provides a sensitive and fast response to the flow of air or other gas over the chip. Dual sensing elements positioned on both sides of a central heating element indicate flow direction as well as flow rate. The specially-designed housing precisely directs and controls the airflow across the microstructure sensing element. Mechanical design of the package allows it to be easily mounted to printed circuit boards. Laser-trimmed, thick film and thin film resistors provide consistent interchangeability from one device to the next. The microbridge mass airflow sensor uses temperature sensitive resistors deposited within a thin film of silicon nitride. They are suspended in the form of two bridges over an etched cavity in the silicon.