Ares Series
PCB Mounted Pressure Transducers
Amplified Output
Differential and Gage Pressure
Temperature Compensated
• HVAC
• Medical Equipment
• Environmental Controls
• Portable Monitors
• Volume OEM Applications
DESCRIPTION
The Ares Series is a small, low cost pressure transducer,
which is able to measure pressures as low as 0 to 5 inches of
water, 0 to 10 inches of water, 0 to 15 inches of water, and 0
to 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 0.25V to 4.00V.
The plastic housing design for the Ares Series makes the
device very user friendly. The housing is designed to be print-
ed 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 stan-
dard 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 series utilizes a uniqe 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
bandwitdth of >1 kHz generally found only in analog circuits.
The result is a pressure sensor that offers theultimate in low-
cost and high accuracy, while preserving the fast response and
smooth output inherent to silicon sensors.
The ASIC is a mixed signal CMOS sensor interface that
uses differential switched capacitor architecture, and was
specifically designed to compensate for the errors associated
with piezoresistive silicon sensors. This ASIC design reduces
the external parts requirement for calibration, allowing a
smaller overall PCB size while maintaining outstanding per-
formance characteristics. Due to its small size, barbed pres-
sure ports, and solder re-flow capability, the Ares pressure
transducer is ideally suited for a wide range of applications.
I n t e r n e t : w w w. m s i u s a . c o m
Te l : 1 - 7 5 7 - 7 6 6 - 1 5 0 0
N o r t h A m e r i c a To l l F r e e : 1 - 8 0 0 - 7 4 5 - 8 0 0 8
Fax: 1-757-766-4297
Pressure
FEATURES
•
Very Low Pressure Ranges
•
Small Size
•
PCB Mountable
•
Solder Reflow Capability
•
Barbed Pressure Ports
•
Dry/Dry Differential Transducer
STANDARD RANGES
Ares Model
Number
GA100-005WD
GA100-010WD
GA100-015WD
GA100-001PD
GA200-005WD
GA200-010WD
GA200-015WD
GA200-001PD
Note
1.
Includes effects of non-linearity, hysteresis and repeatability.
Operating
Pressure
0 to 5" H
2
O
0 to 10" H
2
O
0 to 15" H
2
O
0 to 1 PSI
0 to 5" H
2
O
0 to 10" H
2
O
0 to 15" H
2
O
0 to 1 PSI
Accuracy
%FSO(1)
0.25%
0.5%
0.5%
0.75%
0.25%
0.5%
0.5%
0.75%
1-47
Ares Series
PC Board Mountable Pressure Sensor
Ares Series
PERFORMANCE SPECIFICATIONS
Specifications for Port A pressure input
Supply Voltage: 5V
Ambient Temperature: 25°C (Unless otherwise specified)
GA100 SERIES
GA200 SERIES
______________________________________________________
PARAMETERS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
NOTES
__________________________________________________________________________________________________________________________________________________
Zero Offset
0.450
0.500
0.550
0.200
0.250
0.300
V
__________________________________________________________________________________________________________________________________________________
Span
3.975
4.000
4.025
3.725
3.750
3.775
V
1
__________________________________________________________________________________________________________________________________________________
PARAMETERS
MIN
TYP
MAX
UNITS
NOTES
__________________________________________________________________________________________________________________________________________________
Input voltage range
4.75
5.00
5.25
V
2
__________________________________________________________________________________________________________________________________________________
Proof Pressure to any port
5
psi
__________________________________________________________________________________________________________________________________________________
Burst Pressure
10
psi
__________________________________________________________________________________________________________________________________________________
Common Mode Pressure
10
psi
__________________________________________________________________________________________________________________________________________________
Long Term
-0.5
+0.5
%FSO/year
__________________________________________________________________________________________________________________________________________________
Output Impedance
5
Ω
__________________________________________________________________________________________________________________________________________________
Temperature Error - Span
1.5
%FSO
3
__________________________________________________________________________________________________________________________________________________
Temperature Error - Zero
1.5
%FSO
3
__________________________________________________________________________________________________________________________________________________
Media
Non-ionic, non-corrosive (clean, dry gases)
__________________________________________________________________________________________________________________________________________________
Compensated Temperature
0º to 60ºC
9
__________________________________________________________________________________________________________________________________________________
Operating Temperature
-25º to 80ºC
__________________________________________________________________________________________________________________________________________________
Storage Temperature
-25º to 80ºC
__________________________________________________________________________________________________________________________________________________
Reflow Temperature
240ºC (5 sec max)
Notes
1. The span is defined as the algebraic difference between the electrical output at full
scale pressure voltage and the electrical output at zero pressure.
2. Output is ratiometric to input voltage variation.
3. Over compensated temperature range.
4. Shock: 50g, 11msec, 1/2 sine per Mil Std 202F, Method 213B, Condition A.
5. Vibration: 10g sinusoidal peak to peak per Mil Std 810C.
6. Humidity: 95% non-condensing.
7. For differential applications, the input pressure to Port A must be higher
than Port B.
8. Consult factory for custom output options.
9. Units calibrated & compensation at 0º to 60º C.
DIMENSIONS
CONNECTIONS
Power Supply
1
5 VDC Only
Power Supply
2
Output
V Voltage
Meter
3
ORDERING INFORMATION
GA
100 - 005WD
Pressure Range (005WD=5" H
2
O, 010WD=10" H
2
O
015WD=15" H
2
O, 001PD=1 PSI)
Output Configuration (100=0.5 to 4.5V, 200=0.250 to 4V)
Ground
V (OUT)
Ares Series
1-48
Pressure
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