Pressure sensors
Pressure transmitters with casing (voltage output)
Series/Type:
Ordering code:
Date:
Version:
CAU-T series
2009-08-03
3
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AS SEN PD
2009-08-03
3
CAU-T series
Pressure sensors
Pressure transmitters with casing (voltage output)
EPCOS AG 2009. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited
Pressure sensors
Pressure transmitters with casing (voltage output)
CAU-T series
Description
The transmitters are based on piezoresistive silicon pressure sensors
from our own clean room.
The T-series electronic compensates nonlinearity and temperature
errors and supplies a precise calibrated output signal with a high
immunity against electromagnetic influences (EMI).
Features
Piezoresistive MEMS technology
Measured media (absolute pressure):
Air, non-aggressive gases (gas humidity 0 ... 85% r.h., without dew)
Unsuitable for substances which react with glass, silicon, gold,
aluminum, stainless steel, NBR, silicone glue or silicone gel.
Measured media (gauge pressure):
Air, non-aggressive gases (gas humidity 0 ... 100% r.h.)
and non-aggressive fluids.
Unsuitable for substances which react with glass, silicon, stainless
steel, NBR, silicone glue (p
r
≤
10 bar) or epoxy glue (p
r
> 10 bar).
Voltage output proportional to pressure: 0.5 ... 4.5 V
Reverse supply voltage protection
RoHS-compatible, halogen-free
Compact stainless steel casing (protection IP65) with G1/8" thread
Dimensional drawings
O-Ring seal (NBR) is
included in delivery.
Ø22
4
1
ISO228-G1/8
M12x1
3
2
Ø15
6.5
50
9.5
Venting hole
Ø2 mm
All dimensions in mm
A shielded 4-pole cable (2 m) with a modified (pressure equalization) female M12 locking plug is included in delivery.
AS SEN PD
Please read Cautions and warnings and
Important notes at the end of this document.
Page 2 of 8
2009-08-03
Pressure sensors
Pressure transmitters with casing (voltage output)
CAU-T series
Technical data
Absolute maximum ratings
Parameter
Temperature ranges
Storage temperature range
Operating temperature range
Compensated temperature range
Soldering temperature (cable)
Pressure ranges
Overpressure
Supply voltage /-current
Supply voltage
Supply current
Signal output current
Output signal at sensor failure
DC break down voltage
Parameter
V
CC
I
CC
I
A
V
ERR
V
is
Symbol
8)
6)
Symbol
Conditions
Min.
Typ.
Max.
Unit
T
st
T
a
T
c
T
solder
1)
2)
3)
–30
–25
0
+85
+85
+70
+240
°
C
°
C
°
C
°
C
<5 s
(no reflow soldering)
p
ov
4), 5)
1.5
p
r
7.5
30
7
2
0.01
V
mA
mA
V
V
I
A
= 0
7)
500
Min.
Typ.
Max.
Conditions
Unit
Output signal @ T
a
= 25 ° V
CC
= 15 V, I
A
< 0.1 mA
C,
Offset
V
A0
Simple output AUA, AUR
Symmetrical output AUS
Signal span (Full Scale)
Nonlinearity
V
FS
L
10)
9)
9)
0.485
2.485
3.985
0.5
2.5
4.0
±0.1
0.515
2.515
4.015
±0.25
±0.5
V
V
V
% FS
% FS
ms
Simple output
10), 11)
10), 11)
Symmetrical output
Response time
Supply voltage rejection
Parameter
t
10-90
SVR
Symbol
12)
10), 13)
±0.25
1
±0.01
Min.
Typ.
Max.
% FS/V
Unit
Conditions
Data in temperature range @ T
a
= –25 ... 85 ° V
CC
= 15 V, I
A
< 0.1 mA
C,
Temperature hysteresis
14)
±0.1
15)
15)
±0.5
% FS
Data in temperature range @ T
a
= 0 ... 70 ° V
CC
= 15 V, I
A
< 0.1 mA
C,
Temperature coefficient of offset
TCV
A0
p
r
< 0.25 bar
p
r
≥
0.25 bar
Temperature coefficient of span
TCV
FS
16)
±0.015
±0.015
±0.015
±0.05
±0.03
±0.03
% FS/K
% FS/K
% FS/K
AS SEN PD
Please read Cautions and warnings and
Important notes at the end of this document.
Page 3 of 8
2009-08-03
Pressure sensors
Pressure transmitters with casing (voltage output)
CAU-T series
Characteristics
Simple output (AUA, AUR)
Symmetrical output (AUS)
V
A0
+ V
FS
V
A0
+ ½V
FS
V
A0
V
A0
0
p
r
V
A0
- ½V
FS
-p
r
0
+p
r
Connection diagram
V
cc
V
cc
V
A
p
U
GND
p
U
GND
V
A
GND
A
3-wire connection (standard)
4-wire connection (option for long cable)
GND and GND
A
are internally connected.
To avoid ground loops, it is not allowed to
connect GND and GND
A
at the end of the
cable.
Terminal assignment
Electrical connection
Supply voltage
Ground
Output signal (referenced to GND)
Ground (Kelvin guidance)
Symbol
V
cc
GND
V
A
GND
A
Pin (color)
1 (brown)
3 (blue)
2 (white)
4 (black)
4
1
3
2
Venting hole
Ø2 mm
AS SEN PD
Please read Cautions and warnings and
Important notes at the end of this document.
Page 4 of 8
2009-08-03
AS SEN PD
Product type
Pressure
measurement
B58620H5810A018
B58620H5810A019
B58620H5810A020
B58620H5810A021
B58620H5810A022
B58621H5810A023
B58621H5810A024
B58621H5810A025
B58621H5810A026
B58621H5810A027
B58621H5810A028
B58621H5810A029
B58621H5810A030
B58623H5810A031
B58623H5810A032
B58623H5810A033
B58623H5810A034
AUA 25.00 F V4 TN H S2.0
AUR 0.100 F V4 TN H S2.0
AUR 0.250 F V4 TN H S2.0
AUR 0.400 F V4 TN H S2.0
AUR 1.000 F V4 TN H S2.0
AUR 2.500 F V4 TN H S2.0
AUR 6.000 F V4 TN H S2.0
AUR 10.00 F V4 TN H S2.0
AUR 25.00 F V4 TN H S2.0
AUS 0.100 F V4 TN H S2.0
AUS 0.250 F V4 TN H S2.0
AUS 0.400 F V4 TN H S2.0
AUS 1.000 F V4 TN H S2.0
AUA 10.00 F V4 TN H S2.0
AUA 6.000 F V4 TN H S2.0
6.000
10.00
25.00
0.100
0.250
0.400
1.000
2.500
6.000
10.00
25.00
0.100
0.250
0.400
1.000
Gauge, symmetrical
Gauge
AUA 2.500 F V4 TN H S2.0
2.500
Absolute
Ordering code
AUA 1.000 F V4 TN H S2.0
1.000
Rated pressure p
r
bar
Please read Cautions and warnings and
Important notes at the end of this document.
Other rated pressures upon request.
Rated pressures and ordering codes
Pressure sensors
Pressure transmitters with casing (voltage output)
Page 5 of 8
CAU-T series
2009-08-03
