AWM43600V Honeywell, AWM43600V Datasheet

AWM43600V

Manufacturer Part Number

AWM43600V

Description

Flow Sensors MASS AIRFLOW Manifold

Manufacturer

Honeywell

Datasheets

1.AWM43600V.pdf (3 pages)

2.AWM43600V.pdf (4 pages)

Specifications of AWM43600V

Sensor Type

Air Flow

Rated Range

6 L/min

Accuracy/reliability

+/- 1 % Reading

Analog Output

5 V

Supply Voltage

10 V

Brand/series

AWM40000

Function

AirFlow

Mounting Type

PCB

Output

Voltage

Primary Type

AirFlow

Range, Measurement

6 SLPM

Technology

Thermal Conductive

Termination

3-Wire Connector

Voltage, Supply

15 VDC

Voltage, Switching

5 VDC

Operating Temperature Amplified And Unamplified Outputs

–13° to +185°F

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

AWM43600V

Manufacturer:

HONEYWELL

Quantity:

2 000

Current page: 1 of 3
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AWM43600V

Actual product appearance may vary.

Description

OPERATION

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. 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.

The microbridge mass airflow 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. 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. The chip is located in a precisely

dimensioned airflow channel to provide a repeatable flow response. Highly

effective thermal isolation for the heater and sensing resistors is attained by

etching the cavity space beneath the flow sensor bridges. The small size and

thermal isolation of the microbridge mass airflow sensor are responsible for the

extremely fast response and high sensitivity to flows.

Dual Wheatstone bridges control airflow measurement -- one provides closed loop

heater control, the other contains the dual sensing elements. The heater circuit

minimizes shift due to ambient temperature changes by providing an output

proportional to mass flow. The circuit keeps the heater temperature at a constant

differential (160 °C) above ambient air temperature which is sensed by a heat-

sunk resistor on the chip. The ratiometric voltage output of the device corresponds

Features

20 SLPM

mounting centers

0.001 in to 4.0 in H

mbar)

Precision silicon micromachining

Sensitive to low flows - 0.1 sccm to

Adaptable for use with higher flows

Fast response time

Analog output

Low power consumption

Repeatable response

Laser trimmed interchangeability

Accurate, cost effective flow sensing

In-line printed circuit board terminals

Standard 2.54 mm (0.100 in)

Accurate sensing of low pressure

O (0.003 to 10

Airflow Sensor, Signal Conditioning:

Amplified; Flow/Pressure Range: + 6.0

SLPM; Port Style: Manifold

Potential Applications

ventilation, and air conditioning

systems

Damper control for heating,

Gas analyzers

Low vacuum control

Process control

Medical respirators and ventilators

Oxygen concentrators

Leak detection equipment

Vent hoods

Anesthesia control

Gas metering

Gas chromatography

Related parts for AWM43600V

AWM43600V Summary of contents

Page 1

... AWM43600V Airflow Sensor, Signal Conditioning: Amplified; Flow/Pressure Range: + 6.0 SLPM; Port Style: Manifold Actual product appearance may vary. Features Precision silicon micromachining Sensitive to low flows - 0.1 sccm to 20 SLPM Adaptable for use with higher flows Fast response time Analog output Low power consumption ...

Page 2

... The effects of dust contamination, which may result form some applications, can be minimized. By design, dust particles that may be present in the air stream will flow past the chip parallel to the chip surface. In addition, the microstructure chip produces a thermophoretic effect, which repels micrometer sized dust particles away from the bridge structure ...

Page 3

...

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