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barometric amplified pressure sensors
600 to 1,100 mbar Barometric Pressure Sensor
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Features
•Barometric Pressure Range
• Temperature Compensated
• Calibrated Zero and Span
Applications
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408 225 2079
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16035 Vineyard Blvd. Morgan Hill, CA 95037
p
408 225 4314
DATE
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• Medical Instrumentation
• Environmental Monitoring
• Altimeters
• Chemical Analysis
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General Description
The Miniature Amplified Output pressure sensors is based upon a proprietary technology to reduce all output
offset or common mode errors. This model provides a calibrated amplified output with superior output offset
characteristics. Output offset errors due to change in temperature, stability to warm-up, stability to long time
period, and position sensitivity are all significantly reduced when compared to conventional compensation
methods. In addition the sensor utilizes a silicon, micromachined, stress concentration enhanced structure to
provide a very linear output to measured pressure.
These calibrated and temperature compensated sensors give an accurate and stable output over a wide
temperature range. This series is intended for use with non-corrosive, non-ionic working fluids such as air, dry
gases and the like.
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The output of the device is ratiometric to the supply voltage and operation from any D.C. supply voltage between
4.5 and 5.5 volts.
Physical Dimensions
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Approvals
MKT
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As Is
With Change
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With Change
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With Change
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DS-0040 Rev C
01
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Performance Characteristics for BARO-A-4V-MINI
Parameter, note 1
Operating Range, absolute pressure
Output Voltage @1,100 mbar
Output Voltage @ 600 mbar
Offset Temperature Shift (5°C to 50°C), note 2
Linearity, hysteresis error, note 4
0.05
Minimum
600
4.15
0.15
4.25
0.25
Nominal
Maximum
1100
4.35
0.35
±20
0.50
±1
Units
mBar
volt
volt
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%fs
%span
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Span Shift (5°C to 50°C), note 2
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408 225 2079
a
16035 Vineyard Blvd. Morgan Hill, CA 95037
p
408 225 4314
mvolt
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Performance Characteristics for BARO-A-4V-MINI-PRIME
Parameter, note 1
Operating Range, absolute pressure
Output Voltage @1,100 mbar
Output Voltage @ 600 mbar
Offset Temperature Shift (-25°C to 85°C), note 2
Linearity, hysteresis error, note 4
Span Shift (-25°C to 85°C), note 2
0.05
Minimum
600
4.15
0.15
4.25
0.25
Nominal
Maximum
1100
4.35
0.35
±20
0.50
±1
Units
mBar
volt
volt
mvolt
%fs
%span
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Performance Characteristics for BARO-A-4V-MINI-MIL
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Parameter, note 1
Operating Range, absolute pressure
Output Voltage @1,100 mbar
Output Voltage @ 600 mbar
Offset Temperature Shift (-40°C to 125°C), note 2
Linearity, hysteresis error, note 4
Span Shift (-40°C to 125°C), note
Minimum
600
4.15
0.15
Nominal
Maximum
1100
Units
mBar
volt
volt
mvolt
%fs
%span
4.25
0.25
4.35
0.35
±20
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0.05
0.50
±1
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Specification Notes
1: A
LL PARAMETERS ARE MEASURED AT
5.0
VOLT EXCITATION
,
FOR THE NOMINAL FULL SCALE PRESSURE AND ROOM TEMPERATURE UNLESS
P
RESSURE MEASUREMENTS ARE WITH POSITIVE PRESSURE APPLIED TO THE
B-P
ORT
.
NOTE
2: S
HIFT IS RELATIVE TO
25°C.
NOTE
3: M
EASURED AT ONE
-
HALF FULL SCALE RATED PRESSURE USING BEST STRAIGHT LINE CURVE FIT
.
NOTE
OTHERWISE SPECIFIED
.
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All Sensors reserves the right to make changes to any products herein. All Sensors does not assume any liability arising out of the application or
use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others.
all sensors
DS-0040 Rev C
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