Ares
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•
•
•
PCB Mounted Pressure Transducers
Amplified Output
Differential and Gage
Temperature Compensated
DESCRIPTION
The Ares is a small, low cost pressure transducer, which is able to measure pressures as low as 0-5
inches of water and as high as 0-1 psi. Sensitivity to extremely low pressures combined with the small physical
size make this device ideally suited for application such as HVAC, medical equipment, and flow monitoring. The
GA100 series has a 4V span from 0.50V to 4.50V and the GA200 series has a 3.75V span from 0.25-4.00 V.
The plastic housing design for the Ares Series makes the device very user friendly. The housing is
designed to be printed circuit board mountable, requiring no additional hardware. Built into the housing are self
locking pins which insure a secure fit between the housing and the PCB. The pressure ports are 3/16" barbed
ports which mate with industry standard 1/8" or 3/16" ID tubing. These ports are mounted 90° to the printed
circuit board to allow other boards to be located above the sensor.
The Ares utilizes a unique sensor circuit design to provide ASIC digital error correction and signal
amplification while maintaining an analog signal path. This technique delivers the high level of error correction
associated with microprocessor-based circuits, while maintaining a typical bandwidth of >1 kHz generally found
only in analog circuits. The result is a pressure sensor that offers the ultimate in low cost and high accuracy,
while preserving the fast response and smooth output inherent to silicon sensors.
Due to its small size, barbed pressure ports, and solder re-flow capability, the Ares pressure transducer
is ideally suited for a wide range of applications.
FEATURES
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•
•
•
•
In
H
2
O
Pressure Ranges
PCB Mountable
Solder Reflow Capability
Barbed Pressure Ports
Dry/Dry Differential Transducer
APPLICATIONS
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•
•
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Respirators/Ventilators
CPAP/Sleep Apnea Instruments
Medical Instruments
HVAC/Air Flow Management
Leak Detection
STANDARD RANGES
Range
0 to 5
0 to 10
0 to 15
0 to 1
In H
2
O
•
•
•
psi
•
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PERFORMANCE SPECIFICATIONS
Supply Voltage: 5V
Ambient Temperature: 25° (unless otherwise specified)
C
Pressure applied to Port A
PARAMETERS
Span (GA100 Series)
Span (GA200 Series)
Zero Offset (GA100 Series)
Zero Offset (GA200 Series)
Pressure Non Linearity (0-5 in H
2
O)
Pressure Non Linearity (0-10 and 0-15 in H
2
O)
Pressure Non Linearity (0-1 psi)
Output Impedance
Temperature Error – Span
Temperature Error – Zero
Input Voltage Range
Quiescent Current
Burst Pressure
Common Mode Pressure
Long Term Stability (Offset & Span)
Compensated Temperature
Operating Temperature
Storage Temperature
Humidity
Weight
Solder Temperature
Media
240ºC Max 5 Sec.
Non-Corrosive Dry Gases
±0.5
0
-25
-25
0
60
+80
+80
95
3
10
10
4.75
5.00
3
MIN
3.975
3.725
0.450
0.200
-0.25
-0.5
-1.5
5
1.5
1.5
5.25
%Span
%Span
V
mA
psi
psi
%Span
ºC
ºC
ºC
RH
grams
4
3
3
TYP
4.000
3.750
0.500
0.250
MAX
4.025
3.775
0.550
0.300
0.25
0.5
1.5
UNITS
V
V
V
V
%Span
%Span
%Span
NOTES
1,5
1,5
1
1
2
2
2
Notes
1. Ratiometric to supply voltage.
2. Best fit straight line.
3. Maximum temperature error between 0° and 60° with respect to 25°
C
C
C.
4. Long term stability over a one year period with constant voltage and temperature.
5.
For differential applications, the input pressure to Port A must be higher than Port B.
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DIMENSIONS
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CONNECTIONS
ORDERING INFORMATION
GA 100 - 005WD
Pressure Range (005WD = 5 in H2O, 010WD = 10 in H2O,
015WD = 15 in H2O, 001PD = 1psi)
Output Configuration (100 = 0.5 to 4.5V, 200 = 0.250 to 4V)
Model
NORTH AMERICA
Measurement Specialties
45738 Northport Loop West
Fremont, CA 94538
Tel: 1-800-767-1888
Fax: 1-510-498-1578
Sales:
pfg.cs.amer@meas-spec.com
EUROPE
Measurement Specialties
(Europe), Ltd.
26 Rue des Dames
78340 Les Clayes-sous-Bois, France
Tel: +33 (0) 130 79 33 00
Fax: +33 (0) 134 81 03 59
Sales:
pfg.cs.emea@meas-spec.com
ASIA
Measurement Specialties
(China), Ltd.
F1.6-4D, Tian An Development
Compound
Shenzhen, China 518048
Tel: +86 755 8330 1004
Fax: +86 755 8330 6797
Sales:
pfg.cs.asia@meas-spec.com
The information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsibility is assumed for
inaccuracies. Furthermore, this information does not convey to the purchaser of such devices any license under the patent rights to the
manufacturer. Measurement Specialties, Inc. reserves the right to make changes without further notice to any product herein. Measurement
Specialties, Inc. makes no warranty, representation or guarantee regarding the suitability of its product for any particular purpose, nor does
Measurement Specialties, Inc. assume any liability arising out of the application or use of any product or circuit and specifically disclaims
any and all liability, including without limitation consequential or incidental damages. Typical parameters can and do vary in different
applications. All operating parameters must be validated for each customer application by customer’s technical experts. Measurement
Specialties, Inc. does not convey any license under its patent rights nor the rights of others.
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