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Overview

Low SMI pressure sensors with the option for dual and analog output concurrently and highly accurate measurements (up to ±1% FS accuracy).

The SM7000/SM6000/SM5000 offers pressure ranges from 0.07 to 2.49 PSI in a gage, differential or asymmetric differential configuration. This series provides JEDEC standard SOIC-16 package with dual vertical or horizontal porting option. With the dual porting, a reference measurement is possible to minimize errors due to changes in ambient pressure.

Combining the pressure sensor with a signal-conditioning ASIC in a single package simplifies the use of advanced silicon micro-machined pressure sensors. The pressure sensor can be mounted directly on a standard printed circuit board and a high level, calibrated pressure signal can be acquired from the digital interface. This eliminates the need for additional circuitry, such as a compensation network or microcontroller containing a custom correction algorithm.

Benefits

  • Pressure ranges: 0.07 to 2.49 PSI
  • Pressure type: gage, differential, asymmetric differential
  • 16-bit I2C digital and analog output interface available
  • Total error band: ± 1% FS (digital) and ± 1.5% FS (analog)
  • Pressure calibrated and temperature compensated output
  • Compensated temperature range: -20 to 85oC

Applications

  • Ventilation devices - CPAP, ventilator, oxygen concentrator and conserver
  • Air and gas flow instrumentation
  • HVACR - ventilation, VAV, filter monitoring
  • Fire pressurization and smoke management
  1. SMI Pressure Sensors Product Overview (English)

TE Connectivity’s (TE) SMI low pressure sensors offer high accuracy and long-term stability in robust compact packages for industrial and medical applications. Watch this video to learn more.

FAQ

FREQUENTLY ASKED QUESTIONS

  • What is the proof pressure (maximum pressure to which the device can be taken and still perform within specifications (without loss of accuracy) after returning to the operating pressure range) for the SM7000, SM6000 and SM5000 Series?

The proof pressure for the SM7000 (maximum operating pressure range 0.29 PSI) is 1.5 PSI. The SM6000 (max operating pressure range 0.79 PSI) has a proof pressure of 4.5 PSI and the SM5000 (max operating pressure range 2.49) offers a proof pressure of 12 PSI.

 

  • What is the burst pressure (pressure where part is permanently damaged) of the SM7000, SM6000 and SM5000 Series?

The burst pressure for the SM7000 (maximum operating pressure range 0.29 PSI) is 3 PSI. The SM6000 (max operating pressure range 0.79 PSI) has a burst pressure of 6 PSI and the SM5000 (max operating pressure range 2.49) offers a burst pressure of 15 PSI.

 

  • What is the difference between differential and gage pressure?

Differential pressure

dP=P1-P2 is the pressure difference between two points, 1 and 2. P1 and P2 are respective pressure at the two points. This could be across an air flow restrictor in a HVAC system, or across a filter in the HVAC system, or in a ventilator system to detect and control inhalation / exhalation air flow.


Gage pressure

Gage pressure is the pressure differential with respect to the atmospheric pressure. Generally -not always, gage pressure is higher than atmospheric pressure, so gage pressure sensors are calibrated to have its output be at minimum at atmospheric pressure, and increase from there. Gage pressure sensors are used to measure e.g. pressure in a pressure in a manifold.

 

Features

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Board Level Pressure Sensor Type  Analog Pressure Sensor Modules, Digital Pressure and Altimeter Sensor Modules

  • Board Level Pressure Sensor Style  Differential, Gage

Configuration Features

  • Tubes  Barb Tube

Electrical Characteristics

  • Board Level Pressure Sensor Supply Voltage (V) 3.3 – 5

Dimensions

  • Dimensions  10.26 x 10.31 mm [ .40 x .41 in ]

Usage Conditions

  • Operating Temperature Range  -20 – 85 °C [ -4 – 185 °F ]

Operation/Application

  • Output Interface  I²C

  • Overpressure  1.5 psi, 12 psi, 4.5 psi

  • Pressure (psi) .07, .15, .36, .57, 1, 1.42

  • Pressure (mbar) 5, 10, 25, 39, 70, 98

  • Output/Span  10 – 90% Vdc, 16 bit I2C

  • Board Level Pressure Sensor Accuracy  ±1% F.S, ±1.5% F.S

Packaging Features

  • Board Level Pressure Sensor Package  SOIC-16

  • Package Style  Dual Horizontal, Dual Vertical

Other

  • Options  Dual Output

Reference Number

  • TE Internal Number CAT-BLPS0063

Related Materials

CAD Files

Datasheets & Catalog Pages

Terms and Conditions

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Disclaimer:
This information has been provided to your free of charge for your use but remains the sole property of TE Connectivity Corporation (''TE'') or SnapEDA,  Inc. or Ultra Librarian/EMA Design Automation, Inc. (collectively, "Company"). While Company has used reasonable efforts to ensure its accuracy, Company does not guarantee that it is error-free, not makes any other representation, warranty, or guarantee that the information is completely accurate or up-to-date. In many cases, the CAD data has been simplified to remove proprietary detail while maintaining critical interface geometric detail for use by customers. Company expressly disclaims all implied warranties regarding this information, including but not limited to any implied warranties or merchantability or fitness for a particular purpose.