Silicon Piezoresistive
Absolute Pressure Sensor
Preliminary Data
•Low pressure and temperature hysteresis
•Fast response
•High sensitivity and linearity
•Fatigue free monocrystaline silicon diaphragm giving high load cycle stability
•High long term stability
•Built in silicon temperature sensor
•Corrosion resistant stainless steel threaded housing
KPY 66-A …KPY 69-A
Type and |
Thread |
Symbol |
Pressure |
Unit |
Ordering Code |
|
Marking |
|
|
Range |
|
|
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|
KPY 66 A |
ISO M12*1.5 |
P0 … PN |
0 |
… 25 |
bar |
Q62705-K… *) |
KPY 67 A |
NPTF 1/8"x27 |
|
0 |
… 60 |
|
Q62705-K… *) |
KPY 68 A |
|
|
0 |
… 160 |
|
Q62705-K… *) |
KPY 69 A |
|
|
0 |
… 400 |
|
Q62705-K… *) |
*) delivery on request
Pin Configuration
1Temp.-Sensor (typ. R25 = 2 kΩ)
2 |
Not connected |
|
|
3 |
+ Vin; Temp.-Sensor |
|
|
4 |
− Vout |
5 |
Capillary tube |
6Shielding, to be connected to + Vin
7− Vin
8+ Vout
KPY 66-A …KPY 69-A
Maximum Ratings
Parameter |
Symbol |
Value |
Unit |
|
|
|
|
Pressure overload |
PMAX |
|
bar |
KPY 66 A |
|
50 |
|
KPY 67 A |
|
70 |
|
KPY 68 A |
|
200 |
|
KPY 69 A |
|
500 |
|
|
|
|
|
Operating temperature range |
TA |
− 40 … + 125 |
°C |
|
|
|
|
Storage temperature range |
Tstg |
− 40 … + 125 |
°C |
Supply voltage |
VIN |
12 |
V |
Electrical Characteristics
at TA = 25 °C and VIN = 5 V unless otherwise specified.
Parameter |
|
Symbol |
|
Value |
|
Unit |
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|
min. |
typ. |
max. |
|
|
|
|
|
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Bridge resistance |
|
RB |
4 |
− |
8 |
kΩ |
|
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Sensitivity |
|
s |
|
|
|
mV/Vbar |
|
KPY 66 A |
|
1.1 |
2.1 |
3.0 |
|
|
KPY 67 A |
|
0.63 |
1.0 |
1.4 |
|
|
KPY 68 A |
|
0.38 |
0.53 |
0.66 |
|
|
KPY 69 A |
|
0.16 |
0.22 |
0.27 |
|
|
|
|
|
|
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|
Output voltage |
KPY 66 A |
Vfin |
150 |
260 |
370 |
mV |
|
|
|
||||
|
KPY 67 A |
|
190 |
300 |
410 |
|
|
KPY 68 A |
|
310 |
420 |
530 |
|
|
KPY 69 A |
|
330 |
440 |
550 |
|
|
|
|
|
|
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|
Offset voltage |
|
V0 |
− 25 |
− |
|
mV |
P = P0 |
|
|
+ 25 |
|
||
Linearity error (Best fit straight line) |
FL |
− |
± 0.3 |
± 0.5 |
% Vfin |
|
P = P0 ... PN |
KPY 66 … 69 A |
|
|
|||
Pressure hysteresis |
KPY 66 … 69 A |
PH |
− |
± 0.1 |
− |
% Vfin |
P1 = P0, P2 = PN, P3 = P0 |
|
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