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HCLA Series
Miniature amplified low pressure sensors
FEATURES * 0 ... 2.5 to 0 ... 75 mbar, 0 ... 2.5 to 0 ... 75 mbar, differential or gage * Output: 0.25...4.25 V and I2C-bus (SPI and switching outputs optional) * Precision ASIC conditioning * Calibrated and temperature compensated * Matched pressure port volumes * Miniature SMT and SIL housings * RoHS compliant * Sensortechnics PRO services
SPECIFICATIONS
Maximum ratings Supply voltage VS Output current Sink Source 4.5 V ... 5.5 VDC (optional 2.7 ... 3.3 VDC)
ELECTRICAL CONNECTION
+Vs
1 3 5 8 2
1 mA 1 mA
Lead specifications Average preheating temperature gradient 2.5 K/s Soak time ca. 3 min Time above 217C 50 s Time above 230C 40 s Time above 250C 15 s Peak temperature 260C Cooling temperature gradient -3.5 K/s Temperature ranges Compensated Operating Storage Humidity limits (non-condensing) -25 ... 85C -25 ... 85C -40 ... 125C 0 ... 95 %RH
Note:
Vout SCL SDA GND
Pins 5 and 8 (connections for digital I2C-bus) are only available for SMD package styles (H, E and Q housings)
E / 11629 / A
1/15
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HCLA Series
Miniature amplified low pressure sensors
PRESSURE SENSOR CHARACTERISTICS
(Vs = 5.0 V, TA = 25 C, analog output signal is ratiometric to VS, digital output signal is not ratiometric to VS, pressure applied to high pressure port)
Part no.
HCLA02X5...B HCLA12X5...B HCLA0025...B HCLA0050...B HCLA0075...B HCLA02X5...U HCLA12X5...U HCLA0025...U HCLA0050...U HCLA0075...U
Operating pressure
0...2.5 mbar 0...12.5 mbar 0...25 mbar 0...50 mbar 0...75 mbar 0...2.5 mbar 0...12.5 mbar 0...25 mbar 0...50 mbar 0...75 mbar
Proof pressure5,7
250 mbar 250 mbar 500 mbar 750 mbar 1200 mbar 250 mbar 250 mbar 500 mbar 750 mbar 1200 mbar
Burst pressure6,7
500 mbar 500 mbar 750 mbar 1200 mbar 2000 mbar 500 mbar 500 mbar 750 mbar 1200 mbar 2000 mbar
Output signal
2.25 2 V
0.25 - 4.25 V
Specification notes:
1. Shift is relative to 25C. 2. Shift is within the first hour of excitation applied to the device. 3. Non-linearity refers to the Best Straight Line fit, measured for lowest specified pressure, highest specified pressure and 1/2 full scale pressure. 4. Full Scale Span (FSS) is the algebraic difference between the output signal for the highest and lowest highest pressure. 5. Proof pressure is the maximum pressure which may be applied without causing durable shifts of the electrical parameters of the sensing element. 6. Burst pressure is the maximum pressure which may be applied without causing damage to the sensing element or leaks to the housing. 7. The common mode pressure for the HCLA series is 2 bar. Common mode pressure is the maximum pressure that can be applied to both ports of a differential pressure sensor simultaneously without damaging the sensor housing. 8. Max. delay time between pressure change at the pressure die and signal change at the output. 9. The response time depends on the adjusted internal A/D resolution of the sensor. For 12 bit it is typ. 0.5 ms. Other A/D resolutions and reponse times are available on request. Please contact Sensortechnics for further information. 10. Sensors with lower current consumption are available on request. Please contact Sensortechnics for further information.
E / 11629 / A
2/15
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HCLA Series
Miniature amplified low pressure sensors
PERFORMANCE CHARACTERISTICS
(Vs = 5.0 V, TA = 25 C, analog output signal is ratiometric to VS, digital output signal is not ratiometric to VS, pressure applied to high pressure port)
HCLA02X5...
Characteristics
Non-linearity and hysteresis (BSL) Thermal effects (-25 to 85C)1 Response delay8, 9 A/D resolution D/A resolution Current consumption (no load)10 Offset warm-up shift2 Offset position sensitivity (1 g) Offset long term drift (one year) Offset warm-up shift
2 9 3
Min.
Offset Span
Typ.
0.05
Max.
0.25 1.5 2.0
Unit
%FSS ms
0.5 12 11 5 D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 0042 0063 0042 10 15 10
bi t mA
Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S Offset position sensitivity (1 g) Offset long term drift (one year) mV
HCLA02X5...B
Characteristics
Operating pressure range Zero pressure offset Full scale span (FSS)4 Output at +2.5 mbar at -2.5 mbar Zero pressure offset Full scale span (FSS)4 Output at +2.5 mbar at -2.5 mbar 2.15 3.90
Min.
-2.5
Typ.
Max.
+2.5
Unit
mbar
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 370A 63D 6 3999 6666 6C C C 0666 2.25 4.00 4.25 0.25 2.35 4.10 V 3C 28 68F 5 Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S
HCLA02X5...U
Characteristics
Operating pressure range Zero pressure offset Full scale span (FSS)4 Zero pressure offset Full scale span (FSS)4
E / 11629 / A
Min.
0
Typ.
Max.
+2.5
Unit
mbar
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 03D 7 63D 6 0.15 3.90 0666 6666 0.25 4.00 08F 6 68F 5 0.35 4.10 Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S V
3/15
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HCLA Series
Miniature amplified low pressure sensors
PERFORMANCE CHARACTERISTICS (cont.)
(Vs = 5.0 V, TA = 25 C, analog output signal is ratiometric to VS, digital output signal is not ratiometric to VS, pressure applied to high pressure port)
HCLA12X5...
Characteristics
Non-linearity and hysteresis (BSL) Thermal effects (-25 to 85C)1 Response delay8, 9 A/D resolution D/A resolution Current consumption (no load)10 Offset warm-up shift2 Offset position sensitivity (1 g) Offset long term drift (one year) Offset warm-up shift
2 9 3
Min.
Offset Span
Typ.
0.05
Max.
0.25 1.0 1.0
Unit
%FSS ms
0.5 12 11 5 D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 0021 0021 0021 5 5 5
bi t mA
Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S Offset position sensitivity (1 g) Offset long term drift (one year) mV
HCLA12X5...B
Characteristics
Operating pressure range Zero pressure offset Full scale span (FSS)4 Output at +12.5 mbar at -12.5 mbar Zero pressure offset Full scale span (FSS)4 Output at +12.5 mbar at -12.5 mbar 2.15 3.90
Min.
-12.5
Typ.
Max.
+12.5
Unit
mbar
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 370A 63D 6 3999 6666 6C C C 0666 2.25 4.00 4.25 0.25 2.35 4.10 V 3C 28 68F 5 Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S
HCLA12X5...U
Characteristics
Operating pressure range Zero pressure offset Full scale span (FSS) Zero pressure offset Full scale span (FSS)
E / 11629 / A
4 4
Min.
0
Typ.
Max.
+12.5
Unit
mbar
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 03D 7 63D 6 0.15 3.90 0666 6666 0.25 4.00 08F 6 68F 5 0.35 4.10 Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S V
4/15
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HCLA Series
Miniature amplified low pressure sensors
PERFORMANCE CHARACTERISTICS (cont.)
(Vs = 5.0 V, TA = 25 C, analog output signal is ratiometric to VS, digital output signal is not ratiometric to VS, pressure applied to high pressure port)
HCLA0025...
Characteristics
Non-linearity and hysteresis (BSL) Thermal effects (-25 to 85C)1 Response delay8, 9 A/D resolution D/A resolution Current consumption (no load)10 Offset warm-up shift2 Offset position sensitivity (1 g) Offset long term drift (one year) Offset warm-up shift
2 9 3
Min.
Offset Span
Typ.
0.05
Max.
0.25 0.5 1.0
Unit
%FSS ms
0.5 12 11 5 D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 0021 0021 0021 5 5 5
bi t mA
Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S Offset position sensitivity (1 g) Offset long term drift (one year) mV
HCLA0025...B
Characteristics
Operating pressure range Zero pressure offset Full scale span (FSS)4 Output at +25 mbar at -25 mbar Zero pressure offset Full scale span (FSS) Output
4
Min.
-25
Typ.
Max.
+25
Unit
mbar
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 370A 63D 6 3999 6666 6C C C 0666 2.15 3.90 at +25 mbar at -25 mbar 2.25 4.00 4.25 0.25 2.35 4.10 V 3C 28 68F 5 Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S
HCLA0025...U
Characteristics
Operating pressure range Zero pressure offset Full scale span (FSS) Zero pressure offset Full scale span (FSS)4
E / 11629 / A
4
Min.
0
Typ.
Max.
+25
Unit
mbar
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 03D 7 63D 6 0.15 3.90 0666 6666 0.25 4.00 08F 6 68F 5 0.35 4.10 Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S V
5/15
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HCLA Series
Miniature amplified low pressure sensors
PERFORMANCE CHARACTERISTICS (cont.)
(Vs = 5.0 V, TA = 25 C, analog output signal is ratiometric to VS, digital output signal is not ratiometric to VS, pressure applied to high pressure port)
HCLA0050...
Characteristics
Non-linearity and hysteresis (BSL) Thermal effects (-25 to 85C) Response delay8, 9 A/D resolution9 D/A resolution Current consumption (no load)10 Offset warm-up shift2 Offset position sensitivity (1 g) Offset long term drift (one year) Offset warm-up shift2 Offset position sensitivity (1 g) Offset long term drift (one year) 5 D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 0021 0021 0021 5 5 5 mV Count Hex
1 3
Min.
Offset Span
Typ.
0.05
Max.
0.25 0.5 1.0
Unit
%FSS ms
0.5 12 11
bi t mA
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S
HCLA0050...B
Characteristics
Operating pressure range Zero pressure offset Full scale span (FSS)4 Output at +50 mbar at -50 mbar Zero pressure offset Full scale span (FSS) Output
4
Min.
-50
Typ.
Max.
+50
Unit
mbar
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 370A 63D 6 3999 6666 6C C C 0666 2.15 3.90 at +50 mbar at -50 mbar 2.25 4.00 4.25 0.25 2.35 4.10 V 3C 28 68F 5 Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S
HCLA0050...U
Characteristics
Operating pressure range Zero pressure offset Full scale span (FSS) Zero pressure offset Full scale span (FSS)
E / 11629 / A
4 4
Min.
0
Typ.
Max.
+50
Unit
mbar
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 03D 7 63D 6 0.15 3.90 0666 6666 0.25 4.00 08F 6 68F 5 0.35 4.10 Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S V
6/15
www.sensortechnics.com
HCLA Series
Miniature amplified low pressure sensors
PERFORMANCE CHARACTERISTICS (cont.)
(Vs = 5.0 V, TA = 25 C, analog output signal is ratiometric to VS, digital output signal is not ratiometric to VS, pressure applied to high pressure port)
HCLA0075...
Characteristics
Non-linearity and hysteresis (BSL) Thermal effects (-25 to 85C)1 Response delay8, 9 A/D resolution D/A resolution Current consumption (no load)10 Offset warm-up shift2 Offset position sensitivity (1 g) Offset long term drift (one year) Offset warm-up shift
2 9 3
Min.
Offset Span
Typ.
0.05
Max.
0.25 0.5 1.0
Unit
%FSS ms
0.5 12 11 5 D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 0021 0021 0021 5 5 5
bi t mA
Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S Offset position sensitivity (1 g) Offset long term drift (one year) mV
HCLA0075...B
Characteristics
Operating pressure range Zero pressure offset Full scale span (FSS)4 Output at +75 mbar at -75 mbar Zero pressure offset Full scale span (FSS) Output
4
Min.
-75
Typ.
Max.
+75
Unit
mbar
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 370A 63D 6 3999 6666 6C C C 0666 2.15 3.90 at +75 mbar at -75 mbar 2.25 4.00 4.25 0.25 2.35 4.10 V 3C 28 68F 5 Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S
HCLA0075...U
Characteristics
Operating pressure range Zero pressure offset Full scale span (FSS) Zero pressure offset Full scale span (FSS)
E / 11629 / A
4 4
Min.
0
Typ.
Max.
+75
Unit
mbar
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC S 03D 7 63D 6 0.15 3.90 0666 6666 0.25 4.00 08F 6 68F 5 0.35 4.10 Count Hex
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC S V
7/15
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HCLA Series
Miniature amplified low pressure sensors
IC BUS Introduction
The HCLA is capable to generate a digital output signal. The device runs a cyclic program, which will store a corrected pressure value with 12 bit resolution about every 250 s within the output registers of the internal ASIC. In order to use the sensor for digital signal readout, it should be connected to a bidirectional IC-bus. According to the IC-bus specification, the bus is controlled by a master device, which generates the clock signal, controls the bus access and generates START and STOP conditions. The HCLA is designed to work as a slave, hence it will only respond to requests from a master device. DATA valid (D): State of data line represents valid data when, after START condition, data line is stable for duration of HIGH period of clock signal. Data on line must be changed during LOW period of clock signal. There is one clock pulse per bit of data. Acknowledge (A): Data is transferred in pieces of 8 bits (1 byte) on serial bus, MSB first. After each byte receiving device - whether master or slave - is obliged to pull data line LOW as acknowledge for reception of data. Master must generate an extra clock pulse for this purpose. When acknowledge is missed, slave transmitter becomes inactive. It is on master either to send last command again or to generate STOP condition in that case. Slave address: The IC-bus master-slave concept requires a unique address for each device. The HCLA has a preconfigured slave address (1111000xb). By factory programming it is possible to define a secondary slave address additional to the general one. According to IC specification 127 different addresses are available. The sensor will then listen to both slave addresses. After generating a START condition the master sends the address byte containing a 7 bit address followed by a data direction bit (R/W). A "0" indicates a transmission from master to slave (WRITE), a "1" indicates a data request (READ). DATA operation: The sensor starts to send 2 data bytes containing the current pressure value as a 15 bit information placed in the output registers.
Digital IC interface
The HCLA complies with the following protocol (Fig. 1): Bus not busy: During idle periods both data line (SDA) and clock line (SCL) remain HIGH. START condition (S): HIGH to LOW transition of SDA line while clock (SCL) is HIGH is interpreted as START condition. START conditions are always generated by the master. Each initial request for a pressure value has to begin with a START condition. STOP condition (P): LOW to HIGH transition of SDA line while clock (SCL) is HIGH determines STOP condition. STOP conditions are always generated by the master. More than one request for the current pressure value can be transmitted without generation of intermediate STOP condition.
SCL
SDA
START condition
Data valid
Data allowed to change
STOP condition
1 S Slave Address R/W A
Data Byte 1
A
Data Byte 2
A
Data Byte 1
P
Read out of first pressure value generated by master generated by slave S = START condition A = Acknowledge P = STOP condition
Read out of n pressure values (optional) Data Byte 1 = High Byte (MSB first) Data Byte 2 = Low Byte (LSB last)
Fig. 1:
IC bus protocol
8/15
E / 11629 / A
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HCLA Series
Miniature amplified low pressure sensors
IC Interface Parameters
Parameter
Input high level Input low level Output low level Pull-up resistor Load capacitance @ SDA Input capacitance @ SDA/SCL SCL clock frequency Bus free time between STOP and START condition Hold time (repeated) START condition, to first clock pulse LOW period of SCL HIGH period of SCL Setup time repeated START condition Data hold time Data setup time Rise time of both SDA and SCL Fall time of both SDA and SCL Setup time for STOP condition
Symbol
Min.
90 0 500
Typ.
Max.
100 10 10 400 10 400
Unit
% of V s pF kHz
C SD A CI2C_IN FSC L tBUF tHD.STA tLOW tHIGH tSU.STA tHD.DAT tSU.DAT tR tF tSU.STO
100* 1.3 0.8 1.3 0.6 1 0 0.2
s
0.3 0.3 0.6
* recommended Note: Sensortechnics recommends communication speeds of at least 100 kHz (max. 400 kHz). Please contact your nearest Sensortechnics sales office for further information.
tSU;DAT SCL SDA
tHD;DAT
tSU;STA tHD;STA
tR
tF
tHIGH SCL SDA
tLOW
tSU;STO tBUF
tHD;STA
Fig. 2:
Timing characteristics
9/15
E / 11629 / A
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HCLA Series
Miniature amplified low pressure sensors
PHYSICAL DIMENSIONS AND ELECTRICAL CONNECTIONS HCLA...D...
Package: dual port, same side
12.70
Bottom view
6.70
3 1.90
2
10.70
9.50
6.50
16
3
Pin
Connection +Vs GND Vout I / C*
10.30
1 2
4321 0.51 2.54
0.25 1.45 4.50
3 4
* Internal connection. Do not connect for any reason
HIGH PRESSURE PORT
10.70
1.90
third angle projection
LOW PRESSURE PORT
3 4.20
dimensions in mm
HCLA...E...
Package: SMD dual port, same side
12.70
Bottom view
4.50
Pin 1 Connection +Vs GND Vout I/C * SC L I/C * SD A
5678
3
16
2
6.50
1.28
3 4 5 6 7 8
4321
4.06
10.70 4.20 3
HIGH PRESSURE PORT 1.90 2
3
LOW PRESSURE PORT
0.46 2.54
third angle projection dimensions in mm
E / 11629 / A
6.70
* Internal connection. Do not connect for any reason
10/15
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HCLA Series
Miniature amplified low pressure sensors
PHYSICAL DIMENSIONS AND ELECTRICAL CONNECTIONS (cont.) HCLA...G...
Package: single port
3.70 3 1.90 2.5 6.4 4.3 12.70
Top view
10.70
2
Pin
Connection +Vs GND Vout I / C*
16
9.50
1 2 3 4
10.30
0.25 1.45
12 34 0.51 2.54 1.90
* Internal connection. Do not connect for any reason
third angle projection
10.70 3 4.20
HIGH PRESSURE PORT
dimensions in mm
HCLA...H...
Package: SMD single port
2.5 6.4 4.3
Top view
12.70
8765
Pin 1 2 3 4
Connection +Vs GND Vout I/C * SC L I/C * SD A
16
2 9.50
5 6 7 8
4.06
1.28
1234
10.70
2.54 0.46 HIGH PRESSURE PORT 1.90
* Internal connection. Do not connect for any reason
3.70
3
third angle projection
3 4.20
E / 11629 / A
dimensions in mm
11/15
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HCLA Series
Miniature amplified low pressure sensors
HOUSING OPTIONS
Different housing options are available on request. Please contact Sensortechnics.
Dual port, opposite side (HCLA...P...)
Bottom view
6.70 3 1.90
12.70
9.50
10.70
16
Pin 1 2 3 4
Connection +Vs GND Vout I / C*
10.30
2
4321 0.51 2.54 HIGH PRESSURE PORT 1.90 10.70
0.25 1.45
* Internal connection. Do not connect for any reason
third angle projection
LOW PRESSURE PORT 3 4.20
dimensions in mm
SMD dual port, opposite side (HCLA...Q...)
Bottom view
12.70
5678
Pin 1 2 3
Connection +Vs GND Vout I/C * SC L I/C * SD A
2
9.50
16
1.28
4 5 6 7 8
4321
10.70 4.20 3 HIGH PRESSURE PORT 3 6.70 LOW PRESSURE PORT
4.06
* Internal connection. Do not connect for any reason
1.90
0.46 2.54
third angle projection dimensions in mm
E / 11629 / A
12/15
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HCLA Series
Miniature amplified low pressure sensors
HOUSING OPTIONS (cont.)
Different housing options are available on request. Please contact Sensortechnics.
Dual port, top side (HCL...T...)
Bottom view
12.70 7.85 4.85 2 1.90 3 10.70 4.20 6.70 3
16
Pin 1 2 3 4
Connection +Vs GND Vout I / C*
10.30
4321 0.51 2.54 10.70 1.90
0.25 1.45
* Internal connection. Do not connect for any reason
HIGH PRESSURE PORT
third angle projection
LOW PRESSURE PORT
dimensions in mm
E / 11629 / A
13/15
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HCLA Series
Miniature amplified low pressure sensors
HOUSING OPTIONS (cont.)
Different housing options are available on request. Please contact Sensortechnics.
Barbed pressure ports
(Available for all housing styles. Sample package shown: SMD dual port, same side)
Bottom view
O 2.20 0.1
12.70 4.67
5678
O 2.20 0.1
O 3.0 0.1
00 7.
2.50 0.2 5 0.2 HIGH PRESSURE PORT
10.70 3,12
4.0
5.21
6.87
2.0
4321
16
third angle projection
LOW PRESSURE PORT 2.54 0.46
dimensions in mm
Dual Inline Packages (DIP)
(Available for all housing styles. Sample package shown: DIP dual port, same side)
12.70
Bottom view
4.50 5678 3.0 16.25 9.0 6.70 16.0 6.50 4321 10.70
HIGH PRESSURE PORT
4.20 3.0 3.0
1.90
2.0
2.54
E / 11629 / A
5.60
LOW PRESSURE PORT 0.46
third angle projection dimensions in mm 14/15
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HCLA Series
Miniature amplified low pressure sensors
ORDERING INFORMATION
Series Options H C LA Pressure range 02X 5 12X 5 0025 0050 0075 2.5 mbar 12.5 mbar 25 mbar 50 mbar 75 mbar D* E G* H
(P)* (Q) (T)*
Housing Diff SIL same side Diff SMD same side Gage SIL Gage SMD
Diff SIL opposite side Diff SMD opposite side Diff SIL same top side
Calibration B U Bidirectional Unidirectional
Housings P, Q, T available on request. Please contact Sensortechnics. * not available with digital output
Example:
H C LA
02X 5
E
B
Custom specific pressure ranges and mechanical or electronic sensor modifications are widely available: * up to 15 bit resolution * 3 V power supply * SPI, switching and custom specific outputs * barbed pressure ports * Dual Inline Packages (DIP) ... etc. Please contact your nearest Sensortechnics sales office for further information.
Sensortechnics PRO services: * Extended guarantee period of 2 years * Custom product modifications and adaptations even for small quantities * Advanced logistics models for supply inventory and short delivery times * Technical support through application engineers on the phone or at your site * Traceability of each sensor through serial numbers on request * No product specification changes without customer notification * No product obsolescence without very early prior notice * Fastest possible technical response for design and QA engineers * Long term product availability for your spares and service needs ... plus other services on request
Sensortechnics reserve the right to make changes to any products herein. Sensortechnics do not assume any liability arising out of the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. E / 11629 / A 15/15
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