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Specifications
Version 1.0
SPD series
-2 –
SMARTEC BV, Delpratsingel 26
WWW.SMARTEC.NL
4811 AP Breda, The Netherlands
Tel: +31 76 5205353
Tel: +31 76 5205353
SPD series Performance Characteristic at Vcc =5V excitation @ 25
°°C.
Parameter
Min
Typ
Max
Units.
Excitation Voltage
0
5
10
Volts
Excitation Current
0
1.5
3.0
mA
Offset
-50
0
50
mV
Temp Coeff Span
-27
-22
-17
%FS/100
°°C
Temp Coeff Offset
-7
+7
%FS/100
°°C
Temp Coeff Resistance
23
28
33
%FS/100
°°C
Linearity
-0.3
±±0.1
+0.3
%FS
Hysteresis
0.15
% of Range
Repeatability
1
)
±±0.2
±±0.5
FSO
Response time (10-90%)
1
ms
Bridge resistance
2.7
3.3
4.0
K
Ω
Pressure overload
1.35
Bar
Operating temperature
-20
85
°°C
Storage temperature
-30
125
°°C
1
) measured after 1,000 temp. cycles 0– 70
°C, 106 pressure cycles (10-90%FS)
Type Range (Bar)
Min
Typ(FS)
Max
Unit
005G
0 - 0.350
70
100
130
mV
015G
0 - 1
100
140
175
mV
030G
0 - 2
120
160
200
mV
100G
0 - 6.5
120
190
240
mV
1 Pa = 0.145. 10
–3 PSI
or 1 PSI = 6.89476*10
3 Pa
1 Bar = 10
5 Pa = 105 N/m2
Understanding the specifications
The available range of SPD series pressure sensors allows for a wide
range of applications. In order to get good results, it is very important to
fully understand the meaning of the various specifications and their
effects on accuracy, especially the ones that deal with temperature
coefficients. (Silicon resistors are very temperature dependent).
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