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
Marking
KPY 66 A ISO M12*1.5
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
1
2 Not connected
3+
4 −
Temp.
(typ.
V
V
Thread Symbol Pressure
…
-Sensor
R
25
;
Temp.
in
out
P
= 2 kΩ)
-Sensor
P
0
N
Range
0 … 25 bar Q62705-K…
Unit Ordering Code
*)
*)
*)
*)
5 Capillary tube
6 Shielding, to be connected
to +
V
in
7 −
8+
V
in
V
out
Maximum Ratings
KPY 66-A
…KPY 69-A
Parameter
Pressure overload
KPY 66 A
KPY 67 A
KPY 68 A
KPY 69 A
Operating temperature range
Storage temperature range
Supply voltage
Electrical Characteristics
at
T
A
= 25 °C and
= 5 V unless otherwise specified.
V
IN
Parameter
Bridge resistance
Symbol Value Unit
P
MAX
bar
50
70
200
500
T
A
T
stg
V
IN
Symbol
− 40 … + 125 °C
− 40 … + 125 °C
12 V
Value Unit
min. typ. max.
R
B
4 − 8kΩ
Sensitivity
Output voltage
Offset voltage
=
P
P
0
Linearity error
P
P
=
...
0
(Best fit straight line)
P
N
Pressure hysteresis
P
P
P
P
=
,
1
=
0
2
P
,
N
mV/Vbar
mV
mV
KPY 66 A
KPY 67 A
KPY 68 A
KPY 69 A
KPY 66 A
KPY 67 A
KPY 68 A
KPY 69 A
s
1.1
0.63
0.38
0.16
V
fin
150
190
310
330
V
0
2.1
1.0
0.53
0.22
260
300
420
440
3.0
1.4
0.66
0.27
370
410
530
550
− 25 − + 25
F
L
KPY 66
KPY 66
P
=
3
0
… 69 A
… 69 A
P
H
−±
−± 0.1 −
0.3
±
0.5
%
%
V
fin
V
fin