SCXSNP1 [SENSORTECHNICS]
Low cost compensated pressure sensors; 低成本的补偿压力传感器
| 型号： | SCXSNP1 |
| 厂家： | 
SENSORTECHNICS GMBH |
| 描述： | Low cost compensated pressure sensors |
| 文件： | 总4页 (文件大小：111K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SCX...C Series
Low cost compensated pressure sensors
FEATURES
GENERAL DESCRIPTION
The SCX...C series sensors will provide a
very cost effective solution for pressure
applications that require operation over a
wide temperature range. These internally
calibrated and temperature compensated
sensors give an accurate and stable output
over a 0°C to 70°C temperature range. This
series is intended for use with non-corro-
sive, non-ionic working fluids such as air,
dry gases, and the like.
· 0...1 to 0...150 psi
· Low cost
· Precision temperature
compensation
· Calibrated zero and span
· Small size
Devices are available to measure absolute,
differential, and gage pressures from 1 psi
(SCX01) up to 150 psi (SCX150). The ab-
solute (A) devices have an internal vacuum
reference and an output voltage proportio-
nal to absolute pressure. The differential
(D) devices allow application of pressure
to either side of the pressure sensing
diaphragm and can be used for gage or
differential pressure measurements.
· Low noise
Scale:
1 cm
½ inch
· High impedance for
low power applications
circuitry. For higher accuracies, refer to
the standard SCX series datasheet. If the
application requires extended temperature
range operation, beyond 0 to 70°C, two
pins which provide an output voltage pro-
portional to temperature are available for
use with external circuitry.
The SCX devices feature an integrated cir-
cuit sensor element and laser trimmed thick
film ceramic housed in a compact nylon
case. This package provides excellent
corrosion resistance and provides isolation
to external package stresses. The package
has convenient mounting holes and pres-
sure ports for ease of use with standard
plastic tubing for pressure connection.
APPLICATIONS
· Medical Equipment
The output of the bridge is ratiometric to the
supply voltage and operation from any D.C.
supply voltage up to +20 V is acceptable.
· Computer Peripherals
· Pneumatic Control
· HVAC
All SCX devices are calibrated for span to
within ±5 % and provide an offset (zero
pressure output) of ±1 mV maximum. These
parts were designed for low cost applica-
tions where the user can typically provide
fine adjustment of zero and span in extenal
Because these devices have very low
noise and 100 microsecond response time
they are an excellent choice for medical
equipment, computer peripherals, and
pneumatic control applications.
EQUIVALENT CIRCUIT
ELECTRICAL CONNECTION
2
Vs
Pin 1) Temperature output (+)
Pin 2) VS
Pin 3) Output (+)
Pin 4) Ground
1
Pin 5) Output (-)
Pin 6) Temperature output (-)
1 2 3 4 5 6
+
-
3
5
Bottom view
6
Note: The polarity indicated is for pressure applied to port B
(for absolute devices pressure is applied to port A
and the output polarity is reversed.)
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SCX...C Series
Low cost compensated pressure sensors
PRESSURE SENSOR CHARACTERISTICS1
Standard pressure ranges
Full-scale span1,3
Proof pressure2
Part number
Operating pressure
Max.
Min.
Typ.
SCX01DNC
SCX05DNC
SCX15ANC
SCX15DNC
SCX30ANC
SCX30DNC
SCX100ANC
SCX100DNC
SCX150DNC
19 mV
62.5 mV
95 mV
95 mV
95 mV
95 mV
105 mV
105 mV
95 mV
0 - 1 psid
0 - 5 psid
20 psid
20 psid
30 psia
30 psid
60 psia
60 psid
150 psia
150 psid
150 psid
17 mV
57.5 mV
85 mV
85 mV
85 mV
85 mV
95 mV
95 mV
85 mV
18 mV
60 mV
90 mV
90 mV
90 mV
90 mV
100 mV
100 mV
90 mV
0 - 15 psia
0 - 15 psid
0 - 30 psia
0 - 30 psid
0 - 100 psia
0 - 100 psid
0 - 150 psid
Maximum ratings (for all devices)
Environmental specifications (for all devices)
Supply voltage VS
Common-mode pressure
Lead temperature (soldering, 4 seconds)
+20 VDC
50 psig
250°C
Temperature range
Compensated
Operating
0 to 70°C
-40°C to +85°C
-55°C to +125°C
0 to 99 %RH
Storage
Humidity limits (non-condensing)
COMMON PERFORMANCE CHARACTERISTICS1
Characteristic
Min.
Typ.
Max.
Unit
Zero pressure offset
-1.0
---
---
---
---
---
---
5.7
---
---
0
+1.0
±1.0
±2.0
±1.0
±0.5
---
---
6.3
---
mV
%FSO
%FSO
mV
%FSO
kΩ
kΩ
VDC
µsec
mV
Combined linearity and hysteresis4
Temperature effect on span (0 to 70°C)5
Temperature effect on offset (0 to 70°C)5
Repeatability6
±0.2
±0.4
±0.20
±0.2
4.0
4.0
6.0
100
±0.1
Input impedance7
Output impedance8
Common-mode voltage9
Response time10
Long term stability of offset and span11
---
Specification notes:
1. Reference conditions: Unless otherwise noted: supply voltage, VS = 12 V, TA = 25°C, common-mode line pressure = 0 psig,
pressure applied to port B. For absolute devices only, pressure is applied to port A and the output polarity is reversed.
2. Maximum pressure above which causes permanent sensor failure.
3. Span is the algebraic difference between the output voltage at full-scale pressure and the output at zero pressure. Span is
ratiometric to the supply voltage.
4. See Definition of Terms. Hysteresis - the maximum output difference at any point within the operating pressure range for
increasing and decreasing pressure.
5. Maximum error band of the offset voltage and the error band of the span, relative to the 25°C reading.
6. Maximum difference in output at any pressure with the operating pressure range and temperature within 0°C to +50°C after:
a) 1,000 temperature cycles, 0°C to +70°C
b) 1.5 million pressure cycles, 0 psi to full-scale span
7. Input impedance is the impedance between pins 2 and 4.
8. Output impedance is the impedance between pins 3 and 5.
9. This is the common-mode voltage of the output arms (pins 3 and 5) for VS = 12 VDC
.
10. Response time for a 0 psi to full-scale span pressure step change, 10 % to 90 % rise time.
11. Long term stability over a one year period.
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SCX...C Series
Low cost compensated pressure sensors
TYPICAL PERFORMANCE CHARACTERISTICS
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SCX...C Series
Low cost compensated pressure sensors
PHYSICAL DIMENSIONS
mass: 10 g
dimensions in inches (mm)
ORDERING INFORMATION
To order, use the following part number(s)
Mounting Accessories
Description
Part number
Description
Part Number
0 to 1 psi differential/gage
0 to 5 psi differential/gage
0 to 15 psi absolute
SCX01DNC
SCX05DNC
SCX15ANC
SCX15DNC
SCX30ANC
SCX30DNC
SCX100ANC
SCX100DNC
SCX150DNC
Xmas tree clip
SCXCLIP
SCXCNCT
SCXSNP1
6-pin right angle socket
Pressure tubing clamp
0 to 15 psi differential/gage
0 to 30 psi absolute
0 to 30 psi differential/gage
0 to 100 psi absolute
0 to 100 psi differential/gage
0 to 150 psi differential/gage
SenSym and Sensortechnics reserve the right to make changes to any products herein. SenSym and Sensortechnics do 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.
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