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Overview

The SMI 5000/ SMI 6000/ SMI 7000 series offers pressure ranges from 0.07 to 2.49 PSI in a gauge, 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: gauge, 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: -20oC 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
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AccuStable logo

The SMI 5000 and SMI 6000 series digital output sensors earned the AccuStable quality label. The AccuStable brand stands for <1% total error band initially and <1% shift during operation over a 10 year lifetime. Qualification is based on 1,000 hours HTOL (High Temperature Operating Life) test at 85°C with 5V.

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  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.

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LEARN MORE

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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 SMI 5000, SMI 6000 and SMI 7000 Series?

The proof pressure for the SMI 7000 (maximum operating pressure range 0.29 PSI) is 1.5 PSI. The SMI 6000 (max operating pressure range 0.79 PSI) has a proof pressure of 4.5 PSI and the SMI 5000 (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 SMI 5000, SMI 6000 and SMI 7000 Series?

The burst pressure for the SMI 7000 (maximum operating pressure range 0.29 PSI) is 3 PSI. The SMI 6000 (max operating pressure range 0.79 PSI) has a burst pressure of 6 PSI and the SMI 5000 (max operating pressure range 2.49) offers a burst pressure of 15 PSI.

Features

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

Operation/Application

  • Output Interface  I²C

  • Pressure (inH2O) 4.01, 5, 21.88, 69.26, 2, 8.03

  • Pressure (mmHG) 3.75, 40.85, 129.28, 15, 7.5

  • Proof Pressure Range  4.5 psi, 12 psi, 1.5 psi, 15 psi

  • Output Signal Type  10 – 90% Vdc, 16 bit I2C

  • Pressure Accuracy  ±1% F.S, ±1.5% F.S

Dimensions

  • Product Width  10.31 mm [ .405 in ]

  • Product Height (mm) 9.32, 5.54

  • Product Height (in) .218, .366

  • Product Length (mm) 10.26, 19.6

  • Product Length (in) .403, .771

Product Type Features

  • Sensor Package  SOIC-16

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

  • Pressure Type  Differential, Gauge

Packaging Features

  • Sensor Port Configuration  Dual Vertical, Single Vertical, Dual Horizontal

Electrical Characteristics

  • Supply Voltage Range (V) 3.3 – 5, 5, 3

Usage Conditions

  • Pressure (bar) .005, .019, .054, .172, .01

  • Pressure (psi) 1.45, 2.5, .29, .15, .79

  • Operating Temperature Range (°C) -20 – 85, -40 – 105

  • Operating Temperature Range (°F) -40 – 221, -4 – 185

Other

  • Sensor Options  Dual Output, Tube, No Option, Barb Tube

  • EU RoHS Compliance  Compliant

  • EU ELV Compliance  Compliant

Reference Number

  • TE Internal Number CAT-BLPS0063

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