SKU: SENS-2004
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TE Connectivity SM9235-BCE-S-300-002 Pressure Sensor, SMI, Gauge, 0-300 Pa, 3-5.5V, SOIC

₹4,569.00 (Inclusive of all taxes)
Out of Stock

The TE Connectivity SM9235-BCE-S-300-002 is a precision digital gauge pressure sensor designed for ultra-low pressure measurement applications. It features a 16-bit I²C digital output, operates from a 3-5.5V supply, and is ideal for integration into HVAC systems, medical respiratory equipment, and industrial monitoring platforms.

Features

  • Ultra-low gauge pressure sensing range of 0 to 300 Pa.
  • High-precision 16-bit I²C digital output for direct microcontroller interfacing.
  • Low power consumption with integrated sleep mode for energy-sensitive designs.
  • Fast 18 ms step response time for dynamic pressure monitoring.
  • Compact SOIC package with robust silicon micromachined (SMI) sensing element.

Out of stock

Description

The SM9235-BCE-S-300-002 is part of TE Connectivity’s SM92/93 series of digital pressure sensors, engineered for demanding ultra-low pressure applications. It utilizes an advanced MEMS sensing element combined with on-chip CMOS mixed-signal processing to deliver a fully calibrated, temperature-compensated digital signal. This integration ensures high accuracy and long-term stability, minimizing the need for external signal conditioning.

Designed for reliability in critical environments, the sensor is suitable for monitoring subtle pressure differentials in ventilation systems, respiratory devices, and cleanroom environments. Its digital I²C interface simplifies connection to microcontrollers like Arduino, Raspberry Pi, ESP32, and industrial PLCs, providing a stable and noise-immune data stream.

Key Features

  • Precision Digital Output: Delivers calibrated 16-bit pressure data via I²C protocol for high-resolution measurement.
  • Ultra-Low Pressure Range: Specifically calibrated for gauge pressure measurements from 0 to 300 Pa (Pascals).
  • Advanced MEMS Technology: Silicon micromachined (SMI) sensor core ensures high sensitivity and repeatability.
  • Integrated Signal Conditioning: On-chip temperature compensation and calibration eliminate external circuitry needs.
  • Low Power Operation: Features a sleep mode to minimize current draw in battery-powered applications.
  • Fast Dynamic Response: 18 ms step response time enables tracking of rapid pressure changes.
  • High-Value Build: Optimized performance-to-cost ratio in a compact, industry-standard SOIC package.

Applications

  • HVAC System Airflow Monitoring: Measuring static pressure in ducts and filters for system efficiency and maintenance alerts.
  • Medical Respiratory Devices: Monitoring breath pressure in CPAP machines, ventilators, and spirometers.
  • Industrial Process Control: Detecting low-pressure differentials in cleanrooms, fume hoods, and pneumatic control systems.
  • Laboratory Equipment: Integrating into precision manometers and environmental test chambers.

Technical Specifications

Manufacturer Part NumberSM9235-BCE-S-300-002
Pressure TypeGauge
Pressure Range0 to 300 Pa
Sensor TechnologySilicon Micromachined (SMI)
Output Interface16-bit I²C Digital
Supply Voltage3 V to 5.5 V DC
Accuracy±1% Full Scale (F.S.)
Step Response Time18 ms
Package TypeSOIC
Primary ApplicationHVAC, Medical Respiratory, Industrial Low-Pressure Monitoring
Width1 cm
Weight0.005 kg

Frequently Asked Questions

What is the output interface of the SM9235-BCE-S-300-002 pressure sensor?

The sensor provides a fully digital 16-bit output via the I²C communication protocol. This allows for direct connection to microcontrollers like Arduino, Raspberry Pi, or ESP32 without the need for an external ADC, simplifying wiring and improving noise immunity in your system.

What is the operating voltage range for this pressure sensor?

The sensor operates from a 3V to 5.5V DC supply. This wide range makes it compatible with both 3.3V and 5V logic systems commonly found in embedded development platforms and industrial control modules.

How fast does the sensor respond to pressure changes?

The SM9235 sensor has a very fast step response time of 18 milliseconds. This enables it to accurately track rapid pressure fluctuations, which is critical for applications in respiratory monitoring, dynamic airflow analysis, and responsive pneumatic control loops.

Is this sensor suitable for medical device applications?

Yes, its ultra-low pressure range (0-300 Pa), high accuracy, and digital output make it well-suited for medical applications such as monitoring breath pressure in ventilators and CPAP machines. Always verify it meets the specific regulatory and performance requirements of your final medical device design.

Does the sensor require external calibration?

No, the sensor is factory calibrated and features integrated temperature compensation. The I²C output delivers a ready-to-use digital pressure value, eliminating the need for user calibration or complex analog signal conditioning circuits.

Package Includes

  • 1 x TE Connectivity SM9235-BCE-S-300-002 Pressure Sensor

Additional Information

Weight 0.005 kg
Dimensions 1 cm