SDX01D4-A 데이터 시트보기 (PDF) - Sensortechnics GmbH
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SDX01D4-A Datasheet PDF : 4 Pages
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SDX...A Series
Precision compensated pressure sensors in DIP package
GENERAL DISCUSSION
The SDX series devices give a voltage output which is
directly proportional to applied pressure. The gage
devices will give an increasing positive going output
when increasing pressure is applied to the pressure
port. The absolute device will give a decreasing output
when increasing pressure is applied to the port. The
devices are ratiometric to the supply voltage and
changes in the supply voltage will cause proportional
changes in the offset voltage and full-scale span.
PNEUMATIC INTERFACE
The DIP also provides convenient mounting and
pressure ports for ease of use with standard 1/16" ID,
1/8" OD, 1/32" wall, flexible plastic tubing for pressure
connection.
The small tubing has several advantages over larger
tubing commonly used with pressure sensors:
1) The tubing can be formed in a much smaller radius
without kinking.
2) The tubing is easier to handle.
3) The tubing is available in a variety of colors such
as clear, white, yellow, blue, green etc. to enable
color coding of pneumatic circuits with multiple
pressure sensors in the same way that wiring
harnesses are color coded in electrical circuits.
This greatly simplifies troubleshooting.
4) Less stress is placed on the pressure sensor
package resulting in less potential for offset shift.
5) Less physical space is required for the small tubing.
6) The lower volume of air in the small tubing results in
faster pressure sensor response.
USER CALIBRATION
The SDX devices are fully calibrated for offset and
span and should therefore require little user adjustment
in most applications. For more precise span and offset
adjustments, contact the factory.
VACUUM REFERENCE (absolute devices)
Absolute sensors have a hermetically sealed vacuum
reference chamber. The offset voltage on these units
is therefore measured at vacuum, 0 psia. Since all
pressure is measured relative to a vacuum reference,
all changes in barometric pressure or changes in
altitude will cause changes in the device output.
MEDIA COMPATIBILITY
SDX devices are compatible with most non-corrosive
gases. Because the circuitry is coated with a protective
silicon gel, many otherwise corrosive environments can
be compatible with the sensors. Fluids must generally
be compatible with silicon gel, plastic, RTV, silicon, and
glass for use with the gage devices (only). For questions
concerning media compatibility, contact the factory.
MECHANICAL AND MOUNTING
CONSIDERATIONS
The DIP housing is designed for convenient pressure
connection and easy PC board mounting. For pressure
attachment, tygon and silicon tubing is recommended.
APPLICATION INFORMATION
The application information for the SCX series is also
applicable to the SDX series.
ORDERING INFORMATION
Pressure range
0 - 1 psi
0 - 5 psi
0 - 15 psi
0 - 30 psi
0 - 100 psi
Absolute
SDX15A2-A
SDX30A2-A
SDX100A2-A
Order number
Gage
SDX01G2-A
SDX05G2-A
SDX15G2-A
SDX30G2-A
SDX100G2-A
Differential/Gage
SDX01D4-A
SDX05D4-A
SDX15D4-A
SDX30D4-A
SDX100D4-A
All devices are marked with SDX...A2 or SDX...G2 or SDX...D4 and a golden color dot.
SenSym and Sensortechnics reserve the right to make changes to any products herein. SenSym and 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.
June 2008 / 031
4/4
www.sensortechnics.com
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