amplified with voltage reference low pressure
1 mbar (0.4 In H2O) to 30 In H2O Pressure Sensors
Features
• 0 to 1 mbar to 0 to 30 In H2O Pressure Ranges
• Fixed Output Voltage of 0.25 to 4.25 volts
• Supply Voltage range of 5.5 to 28 volts
• Temperature Compensated
• Calibrated Zero and Span
Applications
• Medical Instrumentation
• Environmental Controls
• HVAC
General Description
The Amplified with Voltage reference line of low pressure sensors is based upon a proprietary technology to
reduce all output offset or common mode errors. This model provides a very stable 4-volt 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 compensa-
tion 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.
The output of the device is 0.25 to 4.25 volts. The device operates from any dc. supply voltage of 5.5 to 16 volts.
Physical Dimensions
0.10 typical
(2.54)
0.010 x 0.020
(0.25 x 0.050)
0.25
(6.4)
0.190 to 0.174
(4.8) to (4.4)
1.08
(27.4)
0.414
(10.5)
4 places for
electrical connection
PINOUT:
1) +Vsupply
2) Common
3) +Voutput
4) do not
connect to
this pin
Pin 1 2 3 4
1
0.21
(5.3)
A
Mounting
0.14 (3.6),
typical
B
0.45
(11.4)
0.48
(12.2)
0.55
(14.0)
Dimensions in inches (mm)
0.80
(20.3)
0.85
(21.6)
1.10
(27.9)
all sensors
082302
01
a
6296 San Ignacio, Suite E & F, San Jose, CA 95119
p
408 225 4314
f
408 225 2079
e
www.allsensors.com
all sensors
Pressure Sensor Characteristics Maximum Ratings
Supply Supply Voltage VS
Common-mode pressure
Lead Temperature
(soldering 2-4 sec.)
+5.5 to +16 Vdc
-10 to +10 psig
250°C
Environmental Specifications
Temperature Ranges
Compensated
Operating
Storage
Humidity Limits
5 to 50° C
-25 to 85° C
-40 to 125° C
0 to 95% RH
(non condensing)
Standard Pressure Ranges
Part Number
1 MBAR-D-4V-REF
1 INCH-D-4V-REF
1 INCH-G-4V-REF
5 INCH-D-4V-REF
5 INCH-G-4V-REF
10 INCH-D-4V-REF
10 INCH-G-4V-REF
20 INCH-D-4V-REF
20 INCH-G-4V-REF
30 INCH-D-4V-REF
30 INCH-G-4V-REF
Operating Pressure
±1 mbar
±1 In H2O
0 - 1 In H2O
± 5 In H2O
0 - 5 In H2O
±10 In H2O
0 - 10 In H2O
±20 In H2O
0 - 20 In H2O
±30 In H2O
0 - 30 In H2O
Nominal Span
4V
4V
4V
4V
4V
4V
4V
4V
4V
4V
4V
Proof Pressure
100 In H2O
100 In H2O
300 In H2O
200 In H2O
200 In H2O
200 In H2O
200 In H2O
300 In H2O
300 In H2O
500 In H2O
500 In H2O
Burst Pressure
200 In H2O
200 In H2O
200 In H2O
300 In H2O
300 In H2O
300 In H2O
300 In H2O
500 In H2O
500 In H2O
800 In H2O
800 In H2O
Performance Characteristics for: 1 MBAR-D-4V-REF
Parameter,
NOTE
1
Operating Range, differential pressure
Output Span,
NOTE
Minimum
Nominal
±1.0
Maximum
Units
mbar
5
±1.80
2.00
±2.0
2.25
±2.20
2.50
±80
volt
volt
mvolt
mvolt
mvolt
mvolt
Offset Voltage @ zero differential pressure
Offset Temperature Shift (5°C-50°C),
Offset Warm-up Shift,
NOTE
NOTE
2
±20
±40
±20
0.05
3
Offset Position Sensitivity (±1g)
Offset Long Term Drift (one year)
Linearity, hysteresis error,
NOTE
4
Span Shift (5°C-50°C),
NOTE
2
0.25
±4
%fs
%span
02
amplified with voltage reference low pressure sensors
Performance Characteristics for 1 INCH-D-4V-REF
Parameter, note 1
Operating Range, differential pressure
Output Span, note 5
Offset Voltage @ zero differential pressure
Offset Temperature Shift (5°C-50°C), note 2
Offset Warm-up Shift, note 3
Offset Position Sensitivity (±1g)
Offset Long Term Drift (one year)
Linearity, hysteresis error, note 4
Span Shift (5°C-50°C), note 2
±10
±5
±10
0.05
0.25
±2
±1.90
2.15
Minimum
Nominal
±1.0
±2.0
2.25
±2.10
2.35
±60
Maximum
Units
“H2O
volt
volt
mvolt
mvolt
mvolt
%fs
%span
Performance Characteristics for 1 INCH-G-4V-REF
Parameter, note 1
Operating Range, gage pressure
Output Span, note 5
Offset Voltage @ zero pressure
Offset Temperature Shift (5°C-50°C), note 2
Offset Warm-up Shift, note 3
Offset Position Sensitivity (±1g)
Offset Long Term Drift (one year)
Linearity, hysteresis error, note 4
Span Shift (5°C-50°C), note 2
±10
±15
±10
0.05
0.25
±2
3.90
0.15
Minimum
Nominal
1.0
4.0
0.25
4.10
0.35
±60
Maximum
Units
“H2O
volt
volt
mvolt
mvolt
mvolt
mvolt
%fs
%span
Performance Characteristics for 5 INCH-D-4V-REF
Parameter, note 1
Operating Range, differential pressure
Output Span, note 5
Offset Voltage @ zero differential pressure
Offset Temperature Shift (5°C-50°C), note 2
Offset Warm-up Shift, note 3
Offset Position Sensitivity (±1g)
Offset Long Term Drift (one year)
Linearity, hysteresis error, note 4
Span Shift (5°C-50°C), note 2
±5
±5
±5
0.05
0.25
±1
±1.90
2.15
Minimum
Nominal
±5.0
±2.0
2.25
±2.10
2.35
±40
Maximum
Units
“H2O
volt
volt
mvolt
mvolt
mvolt
mvolt
%fs
%span
a
6296 San Ignacio, Suite E & F, San Jose, CA 95119
all sensors
082302
03
p
408 225 4314
f
408 225 2079
e
www.allsensors.com
all sensors
mvolt
Performance Characteristics for: 5 INCH-G-4V-REF
Parameter,
NOTE
1
Operating Range, gage pressure
Output Span,
NOTE
Minimum
Nominal
5.0
Maximum
Units
“H2O
5
3.90
0.15
4.0
0.25
4.10
0.35
±40
volt
volt
mvolt
mvolt
mvolt
mvolt
Offset Voltage @ zero pressure
Offset Temperature Shift (5°C-50°C),
NOTE
2
Offset Warm-up Shift,
NOTE
3
±5
±5
±5
0.05
0.25
±1
Offset Position Sensitivity (±1g)
Offset Long Term Drift (one year)
Linearity, hysteresis error,
NOTE
4
Span Shift (5°C-50°C),
NOTE
2
%fs
%span
Performance Characteristics for: 10 INCH-D-4V-REF
Parameter,
NOTE
1
Operating Range, differential pressure
Output Span,
NOTE
5
Offset Voltage @ zero differential pressure
Offset Temperature Shift (5°C-50°C),
NOTE
2
Offset Warm-up Shift,
NOTE
Minimum
Nominal
±10.0
Maximum
Units
“H2O
±1.90
2.15
±2.0
2.25
±2.10
2.35
±20
volt
volt
mvolt
mvolt
mvolt
mvolt
3
±5
±5
±5
0.05
0.25
±1
Offset Position Sensitivity (±1g)
Offset Long Term Drift (one year)
Linearity, hysteresis error,
NOTE
4
Span Shift (5°C-50°C),
NOTE
2
%fs
%span
Performance Characteristics for: 10 INCH-G-4V-REF
Parameter,
NOTE
1
Operating Range, gage pressure
Output Span,
NOTE
Minimum
Nominal
10.0
Maximum
Units
“H2O
5
3.90
0.15
4.0
0.25
4.10
0.35
±20
volt
volt
mvolt
mvolt
mvolt
mvolt
Offset Voltage @ zero pressure
Offset Temperature Shift (5°C-50°C),
NOTE
2
Offset Warm-up Shift,
NOTE
3
±5
±5
±5
0.05
0.25
±1
Offset Position Sensitivity (±1g)
Offset Long Term Drift (one year)
Linearity, hysteresis error,
NOTE
4
Span Shift (5°C-50°C),
NOTE
2
%fs
%span
04
amplified with voltage reference low pressure sensors
Performance Characteristics for 20 INCH-D-4V-REF
Parameter, note 1
Operating Range, differential pressure
Output Span, note 5
Offset Voltage @ zero differential pressure
Offset Temperature Shift (5°C-50°C), note 2
Offset Warm-up Shift, note 3
Offset Position Sensitivity (±1g)
Offset Long Term Drift (one year)
Linearity, hysteresis error, note 4
Span Shift (5°C-50°C), note 2
±5
±5
±5
0.05
0.25
±1
±1.90
2.15
Minimum
Nominal
±20.0
±2.0
2.25
±2.10
2.35
±20
Maximum
Units
“H2O
volt
volt
mvolt
mvolt
mvolt
mvolt
%fs
%span
e
www.allsensors.com
Performance Characteristics for 20 INCH-G-4V-REF
Parameter, note 1
Operating Range, gage pressure
Output Span, note 5
Offset Voltage @ zero pressure
Offset Temperature Shift (5°C-50°C), note 2
Offset Warm-up Shift, note 3
Offset Position Sensitivity (±1g)
Offset Long Term Drift (one year)
Linearity, hysteresis error, note 4
Span Shift (5°C-50°C), note 2
±5
±5
±5
0.05
0.25
±1
3.90
0.15
Minimum
Nominal
20.0
4.0
0.25
4.1
0.35
±20
Maximum
Units
“H2O
volt
volt
mvolt
mvolt
mvolt
mvolt
%fs
%span
Performance Characteristics for 30 INCH-D-4V-REF
Parameter, note 1
Operating Range, differential pressure
Output Span, note 5
Offset Voltage @ zero differential pressure
Offset Temperature Shift (5°C-50°C), note 2
Offset Warm-up Shift, note 3
Offset Position Sensitivity (±1g)
Offset Long Term Drift (one year)
Linearity, hysteresis error, note 4
Span Shift (5°C-50°C), note 2
±5
±5
±5
0.05
0.25
±1
±1.90
2.15
Minimum
Nominal
±30.0
±2.0
2.25
±2.10
2.35
±20
Maximum
Units
“H2O
volt
volt
mvolt
mvolt
mvolt
mvolt
%fs
%span
a
6296 San Ignacio, Suite E & F, San Jose, CA 95119
all sensors
082302
05
p
408 225 4314
f
408 225 2079
all sensors
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