sdxl005, SDXL010 compensated pressure sensors in a dip package january 1998/041 tope co., ltd. phone: +886-2-8228-0658, fax: +886-2-8228-0659 e-mail: tope@ms1.hinet.net, http://www.sensor.com.tw features 0 - 5 and 0 - 10 in. h 2 o low cost dip temperature compensated calibrated zero and span small size low noise high impedance for low power applications general description the sdxl series sensors will provide a very cost effective solution for pressure applications that require small size plus performance. these calibrated and temperature compensated sensors give an accurate and stable output over a 0c to 50c temperature range. this series is intended for use with non-corrosive, non- ionic working fluids such as air, dry gases and the like. the sdxl devices are specifically designed to measure low pressures. they feature a 0 to 5 and 0 to 10 in. h 2 o full scale range. the output of the bridge is ratiometric to the supply voltage and operation from any d.c. supply voltage up to +20 v is acceptable. the sdxl devices feature an integrated circuit sensor element and laser trimmed thick film ceramic housed in a compact sol- vent resistant case. the package is a double wide (i.e., 0.600" lead spacing) dual-inline- package. this is the same familiar package used by ic manufacturers except that is has a pressure port(s). the pc board area used by each dip is approximately 0.26 square inches. this extremely small size applications medical equipment computer peripherals pneumatic controls hvac equivalent circuit enables the use of multiple sensors in limited available space. the dip provides excellent corrosion resistance and isolation to external package stress. the dip mounts on a pc board like a standard ic with through-hole pins. the pins anchor the pressure sensor to the pc board and provide a more secure and stable unit than other types of packages. scale: 1 cm ? inch vent hole p2 4 +vs 1 gnd out - out + electrical connection top view note: the polarity identicated is for pressure applied to sdxlxxxg2: p2 (backward gage) sdxlxxxd4: p2 (backward gage) p2 out - out + gnd 1 p1 4 +vs +vs sdxlxxxg2 sdxlxxxd4
sdxl005, SDXL010 compensated pressure sensors in a dip package january 1998/041 aubinger weg 27, 82178 puchheim, germany phone 0049 - (0) 89 80 08 30, fax 0049 - (0) 89 8 00 83 33 http://www.sensortechnics.com performance characteristics 1 min. 24.5 -1.0 --- --- --- --- --- --- 0.75 --- --- max. 25.5 +1.0 1.0 2.0 0.6 0.5 --- --- 5.5 --- --- typ. 25.0 0 0.2 0.4 0.2 0.2 20.0 7.0 3.0 1 0.1 unit mv mv %fso %fso mv %fso k w v dc msec %fso characteristics full scale span 2 zero pressure offset combined linearity & hysteresis 3 temp. effect on span (0 - 50c) 4 temp. effect on offset (0 - 50c) 4 repeatability 5 input impedance 6 output impedance 7 common mode voltage 8 response time 9 long term stability of offset and span 10 general discussion the sdxl 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 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 shifts. 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 sdxl 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. media compatibility sdxl devices are compatible with most non-corrosive gases. for questions concerning media compatibility, contact the factory. application information application information found in the section "application notes" and on the scx-series data sheet in the sensortechnics pressure sensors, transducers and transmitters handbook. pressure sensor characteristics (all devices) maximum ratings supply voltage v s +20 v dc lead temperature (soldering 4 sec.) 250c environmental specifications temperature ranges compensated 0c to 50c operating -40c to +85c storage -55c to +125c humidity limits 0 to 98% rh standard pressure ranges part number sdxl005 SDXL010 operating pressure 0 - 5 in.h 2 o 0 - 10 in. h 2 o proof pressure 200 in.h 2 o 200 in. h 2 o burst pressure 10 psi 10 psi common mode pressure 50 psig 50 psig
sdxl005, SDXL010 compensated pressure sensors in a dip package january 1998/041 aubinger weg 27, 82178 puchheim, germany phone 0049 - (0) 89 80 08 30, fax 0049 - (0) 89 8 00 83 33 http://www.sensortechnics.com specification notes 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. reference conditions (unless otherwise noted): supply voltage, v s = 12v dc ; t a = 25c; common mode line pressure = 0 psig; pressure applied to port 2. span is the algebraic difference between the output voltage at full scale pressure and the output at zero pressure. span is ratiometric to the supply voltage. hysteresis is the maximum output difference at any point within the operating pressure range for increasing and decreasing pressure. maximum error band of the offset voltage and the error band of the span, relative to the 25c regarding. maximum difference in output at any pressure with the operating pressure range and temperature within 0c to +50c after: a) 100 temperature cycles, 0c to +50c. b) 1.0 million pressure cycles, 0 psi to full scale span. input impedance is the impedance between v s and ground. output impedance is the impedance between the + and - outputs. this is the common mode voltage of the output arms for v s = 12 v dc response time for a 0 psi to full scale span pressure step change, 10% to 90% rise time. long term stability over a one year period. physical dimensions d4-housing
sdxl005, SDXL010 compensated pressure sensors in a dip package january 1998/041 aubinger weg 27, 82178 puchheim, germany phone 0049 - (0) 89 80 08 30, fax 0049 - (0) 89 8 00 83 33 http://www.sensortechnics.com ordering information pressure range 0 - 5 in. h 2 o 0 - 10 in.h 2 o gage --- SDXL010g2 differential/gage sdxl005d4 SDXL010d4 sensortechnics and sensym reserve the to make changes to any products herein. sensortechnics and sensym 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. physical dimensions (cont.) g2-housing
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