HAFBLF0200CAAX5 Honeywell, HAFBLF0200CAAX5 Datasheet

Flow Sensors Long Port 5VDC +/-2.5% 200SCCM

HAFBLF0200CAAX5

Manufacturer Part Number

HAFBLF0200CAAX5

Description

Flow Sensors Long Port 5VDC +/-2.5% 200SCCM

Manufacturer

Honeywell

Datasheet

1.HAFBLF0200CAAX3.pdf (6 pages)

Specifications of HAFBLF0200CAAX5

Sensor Type

Air Flow

Rated Range

200 SCCM

Accuracy/reliability

+/- 0.25 % Full Scale, +/- 2.5 % Reading

Analog Output

- 0.3 VDC to 5 VDC

Supply Voltage

5 VDC

Port Size

Long Port

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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DESCRIPTION

Honeywell Zephyr™ Analog Airflow Sensors: HAF Series-High

Accuracy, provide an analog interface for reading airflow over

the specified full scale flow span and temperature range. Their

thermally isolated heater and temperature sensing elements

help these sensors provide a fast response to air or gas flow.

Zephyr sensors are designed to measure mass flow of air and

other non-corrosive gases. They are available in standard flow

ranges and are fully calibrated and temperature compensated

with an on-board Application Specific Integrated Circuit (ASIC).

The HAF Series is compensated over the temperature range of

0 C to 50 C [32 F to 122 F] and operates across a

temperature range of -20 C to 70 C [-4 F to 158 F]. The

state-of-the-art ASIC-based compensation provides analog

outputs with a response time of 1 ms.



FEATURES AND BENEFITS (= competitive differentiator)

High ±2.5% accuracy allows for very precise airflow

measurement, often ideal for demanding applications with

high accuracy requirements

Full calibration and temperature compensation typically allow

customer to remove additional components associated with

signal conditioning from the PCB, reducing PCB size as well

as costs often associated with those components (e.g.,

acquisition, inventory, assembly)

Customizable for specific end-user needs

High sensitivity at very low flows allows a customer’s

application to detect presence or absence of airflow

High stability reduces errors due to thermal effects and null

shift to provide accurate readings over time, often eliminating

need for system calibration after PCB mount and periodically

over time

Low pressure drop typically improves patient comfort in

medical applications, and reduces noise and system wear on

other components such as motors and pumps

Linear output provides more intuitive sensor signal than the

raw output of basic airflow sensors, which can help reduce

production costs, design, and implementation time

Fast response time allows a customer's application to

respond quickly to airflow change, important in critical

medical (i.e., anesthesia) and industrial (i.e., fume hood)

applications

™

These sensors operate on the heat transfer principle to

measure mass airflow. They consist of a microbridge

Microelectronic and Microelectromechanical System (MEMS)

with temperature-sensitive resistors deposited with thin films of

platinum and silicon nitride. The MEMS sensing die is located

in a precise and calculated airflow channel to provide

repeatable flow response.

Zephyr sensors provide customers with enhanced reliability,

analog accuracy, repeatable measurements and the ability to

customize sensor options to meet many specific application

needs. The combination of rugged housings with a stable

substrate makes these products extremely robust. They are

designed and manufactured according to ISO 9001 standards.

11-bit resolution increases ability to sense small airflow

changes, allowing customers to more precisely control their

application

Low 3.3 Vdc operating voltage option and low power

consumption allow for use in battery-driven and other

portable applications

Bidirectional flow sensing capability eliminates the need for

two airflow sensors, helping to reduce production costs and

implementation time

Insensitivity to mounting orientation allows customer to

position sensor in most optimal point in the system,

eliminating concern for positional effects

Insensitivity to altitude eliminates customer-implemented

altitude adjustments in the system, easing integration and

reducing production costs by not having to purchase

additional sensors for altitude adjustments

Small size occupies less space on PCB, allowing easier fit

and potentially reducing production costs; PCB size may

also be reduced for easier fit into space-constrained

applications

RoHS-compliant materials meet Directive 2002/95/EC

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HAFBLF0200CAAX5 Summary of contents

Page 1

... DESCRIPTION Honeywell Zephyr™ Analog Airflow Sensors: HAF Series-High Accuracy, provide an analog interface for reading airflow over the specified full scale flow span and temperature range. Their thermally isolated heater and temperature sensing elements help these sensors provide a fast response to air or gas flow. ...

Page 2

... Warm-up time: time to the first valid flow measurement after power is applied. 7. Default calibration media is dry nitrogen gas. Please contact Honeywell for other calibration options. 8. Null accuracy is the maximum deviation in output at 0 SCCM from the ideal transfer function over the compensated temperature range. This includes offset errors, thermal airflow hysteresis and repeatability errors ...

Page 3

... SCCM, analog output, 10% to 90% transfer function, 5.0 Vdc supply voltage. Customer-specific Requirements Apart from the general configuration required, other customer-specific requirements are also possible. Please contact Honeywell. Honeywell Sensing and Control 3 ...

Page 4

... Flow (SCCM) Figure 6. Long Port Style Flow vs Pressure Figure .7 Short Port Style Flow vs Pressure 4 www.honeywell.com/sensing Figure 3. Ideal Transfer Function 50.00% 100.00% 150.00% Figure 5. Total Error Band 50 100 150 200 Flow (SCCM) ...

Page 5

... PORTS [0.50] 28,80 26,00 [1.13] [1.024] SENSOR FOOTPRINT VIEWED FROM TERMINAL SIDE AIRFLOW DIRECTION, PORT SIDE 3 = Ground Honeywell Sensing and Control 4,60 [0.18] 3,00 [0.12] 12,8 [0.50] 2X DIA. 2,2 [0.086] THRU HOLES FOR MOUNTING [0.079] 3,80 [0.150] 0,65 [0 ...

Page 6

... In no event shall Honeywell be liable for consequential, special, or indirect damages. While we provide application assistance personally, through our literature and the Honeywell web site the customer to determine the suitability of the product in the application. Specifications may change without notice. The information we supply is believed to be accurate and reliable as of this printing ...

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