SCX...C Series
Low cost compensated pressure sensors
2/4
August 2005 / 060
www.sensortechnics.com
Part number
SCX01DNC
SCX05DNC
SCX15ANC
SCX15DNC
SCX30ANC
SCX30DNC
SCX100ANC
SCX100DNC
SCX150DNC
Operating pressure
0 - 1 psid
0 - 5 psid
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 V
S
+20 V
DC
Temperature range
Common-mode pressure
50 psig
Compensated
0 to 70°C
Lead temperature (soldering, 4 seconds)
250°C
Operating
-40°C to +85°C
Storage
-55°C to +125°C
Humidity limits (non-condensing)
0 to 99 %RH
PRESSURE SENSOR CHARACTERISTICS1
Standard pressure ranges
Proof pressure2
20 psid
20 psid
30 psia
30 psid
60 psia
60 psid
150 psia
150 psid
150 psid
Full-scale span1,3
COMMON PERFORMANCE CHARACTERISTICS1
Characteristic
Zero pressure offset
Combined linearity and hysteresis4
Temperature effect on span (0 to 70°C)5
Temperature effect on offset (0 to 70°C)5
Repeatability6
Input impedance7
Output impedance8
Common-mode voltage9
Response time10
Long term stability of offset and span11
Min.
-1.0
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5.7
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Typ.
0
±0.2
±0.4
±0.20
±0.2
4.0
4.0
6.0
100
±0.1
Max.
+1.0
±1.0
±2.0
±1.0
±0.5
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6.3
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Unit
mV
%FSO
%FSO
mV
%FSO
k
Ω
k
Ω
V
DC
µsec
mV
Typ.
18 mV
60 mV
90 mV
90 mV
90 mV
90 mV
100 mV
100 mV
90 mV
Max.
19 mV
62.5 mV
95 mV
95 mV
95 mV
95 mV
105 mV
105 mV
95 mV
Min.
17 mV
57.5 mV
85 mV
85 mV
85 mV
85 mV
95 mV
95 mV
85 mV
Reference conditions: Unless otherwise noted: supply voltage, V
S = 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.
Maximum pressure above which causes permanent sensor failure.
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.
See Definition of Terms. Hysteresis - the maximum output difference at any point within the operating pressure range for
increasing and decreasing pressure.
Maximum error band of the offset voltage and the error band of the span, relative to the 25°C reading.
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
Input impedance is the impedance between pins 2 and 4.
Output impedance is the impedance between pins 3 and 5.
This is the common-mode voltage of the output arms (pins 3 and 5) for V
S = 12 VDC.
Response time for a 0 psi to full-scale span pressure step change, 10 % to 90 % rise time.
Long term stability over a one year period.
Specification notes:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
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