Board Mount Pressure Sensors

A board mount or board mountable pressure sensor or pressure transducer is typically mounted onto a printed circuit board (PCB) and used to measure the pressure of gases or liquids. The media to be measured is transferred to the sensor via a small plastic tube or the pressure sensor needs to be in contact with the media to be measured such as a barometric air pressure sensor, air flow, pitot tube pressure Pressure sensors options include gauge, absolute or ultra low pressure differential pressure reference and usually from 2 inch of water column to a maximum of 300 PSI. The sensing technology used is Piezoresistive or MEMS (micro-electromechanical system) which is effectively a strain gauge whose resistance changes due to pressure variances. Pressure transducers are available with analogue or digital I2C or SPI interfaces.

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Board Mount Pressure Sensors

CTO-8 Series

Board mount pressure sensor

  • Ranges: From 0-2 Psi to 0-150 Psi, A, G & Differential
  • Constant current supply
  • ±0.2% non-linearity (Typ)
  • Temperature compensated

CHT-2 Series Constant Current

Board mount pressure sensor

  • Ranges: From 0-1 Psi to 0-300 Psi, A, G & Differential
  • Constant current supply
  • ±0.2% non-linearity (Typ)
  • Temperature compensated

CHT-3 Series Constant Voltage

Board Mount Pressure Sensor

  • Ranges: From 0-2 Psi to 0-150 Psi, A, G & Differential
  • Constant Voltage Supply, mV Output
  • ±0.2% Non-Linearity (Typ.)
  • Temperature Compensated

CHT-SM5651 Series

Board mount pressure sensor

  • Sub-Psi ranges 0-0.15 to 0-1.5 Psi, diff
  • Constant current supply, mV output
  • Up to ±0.3% non-linearity
  • Temperature compensated

CHT-SM5652 Series

Board mount pressure sensor

  • Sub PSI range: From 0-0.15 to 0-1.5 Psi, diff
  • 10V supply, 40mV output
  • Up to ±0.3% non-linearity
  • Temperature compensated

MCT-SM58A Series

Board mount pressure sensor

  • Ranges: 0-5mbar to 0-150 Psi, abs, g & bi-directional diff
  • 3.3 & 5.0 Vdc supply voltages
  • ±0.25% non-linearity
  • Low power option 0.25mA current consumption

MCT-SM58D Series

Board mount pressure sensor

  • Ranges: 0-5mbar to 0-150 Psi, abs, g & bi-directional diff
  • Digital temperature (11-Bit) & pressure (14-Bit) outputs
  • ±0.25% non-linearity
  • I²C & SPI protocols, low power option (standby 0.5µA)

MCT-4A Series Analogue Output

Board mount pressure sensor

  • Ranges: From 0-0.5”H20 (1.24mbar) to 0-150 Psi, G, A & Bi-Directional
  • High level Analogue Output
  • ±0.25% non-linearity
  • Low Power Option (0.25mA Current Consumption)

MCT-4D Series Digital Output

Board mount pressure sensor

  • Ranges 0-0.5”H20 (1.24mbar) to 0-150 Psi, abs, g & bi-directional diff
  • Digital pressure (14-Bit) & temperature (11-Bit) outputs
  • ±0.25% non-linearity
  • I²C & SPI protocols, low power option (standby 0.5µA)

MCT-LL 4A Series Liquid Level Analogue Output

Board mount pressure sensor

  • Ranges 0-10”H2O (25 mbar) to 0-200”H2O (500 mbar) g
  • 3.3 & 5.0 Vdc supply voltages (low power option)
  • mV output
  • Temperature compensated 0-85°C, ±0.25% non-linearity

MCT-LL 4D Series Liquid Level Digital Output

Board mount pressure sensor

  • Ranges: 0-10”H2O (25 mbar) to 0-200”H2O (500 mbar) g
  • 3.3 & 5.0 Vdc supply voltages (low power option)
  • Digital temperature (11-Bit) & pressure (14-Bit) outputs
  • Temperature compensated 0-85°C, ±0.25% non-linearity

MCT-24DHRD Series

24Bit board mount pressure sensor

  • Ranges: From 0-1 to 0-150 Psi, G, A & Bi-Directional
  • Dual & Single In Line Package (SIL & DIL)
  • Digital Temperature & Pressure Outputs
  • I2C & SPI Protocols

MCT-ABP Analogue or Digital Output

Board mount pressure sensor

  • Ranges from 0-1 psi to 0-160 psi A, G & differential
  • Analogue, I2C or SPI digital interfaces
  • +/- 0.25% Non-Linearity (Typ)
  • For dry, high humidity or liquid applications

MCT-SM95A Series Analogue Output

Board mount pressure sensor

  • Ranges: 0-5 mbar to 0-6 Bar, abs, g & bi-directional diff
  • 3.3 & 5.0 Vdc supply voltages (low power option)
  • 1% total error band
  • Temperature compensated -10 to 85 °C

MCT-SM95D Series

Board mount pressure sensor

  • Ranges: 0-5mbar to 0-2 Bar, abs, g & bi-directional diff
  • Digital temperature (11-Bit) & pressure (14-Bit) outputs
  • ±0.25% non-linearity
  • I²C & SPI protocols

MCT-SM9333 Series

Board mount pressure sensor

  • Ultra-low pressure ranges: 0-125Pa, 0-250Pa, bi-directional
  • Digital temperature (11-Bit) & pressure (14-Bit) outputs
  • ±0.25% non-linearity
  • I²C & SPI protocols

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Frequently Asked Questions About Board Mount Pressure Sensors

Board mount sensors are electronic devices designed to detect and measure various physical properties or environmental conditions. These sensors are specifically created to be mounted directly onto circuit boards or PCBs (Printed Circuit Boards). They are used in a wide range of applications across industries such as automotive, aerospace, consumer electronics, healthcare, industrial automation, and more.

These sensors typically utilize various technologies such as piezoresistive, capacitive, or piezoelectric principles to measure pressure. Changes in pressure cause alterations in specific physical properties, which the sensor detects and converts into electrical signals that can be processed by electronic devices.

These sensors find applications in diverse industries such as automotive, aerospace, medical devices, industrial automation, HVAC systems, and consumer electronics. They're used for pressure monitoring, control systems, environmental monitoring, and more.

Board mount pressure sensors can measure different types of pressure, including absolute pressure (measured relative to a perfect vacuum), gauge pressure (measured relative to atmospheric pressure), and differential pressure (measured between two pressure points).

The accuracy of these sensors can vary based on their design, specifications, and intended applications. Generally, they can offer high accuracy and precision, but specific sensor models might have varying degrees of accuracy, often specified in percentage of full-scale output or pressure range.

When choosing a pressure sensor, factors like pressure range, accuracy, response time, temperature range, output type (analog or digital), size, power consumption, and environmental conditions compatibility are crucial to consider for your application's requirements.

Calibration ensures accuracy. Some sensors come pre-calibrated, while others might need calibration before use. Calibration involves comparing the sensor's output against a known standard and adjusting the sensor to match the standard. Manufacturers often provide guidelines or tools for calibration.

Yes, most board mount pressure sensors come with standardized interfaces (such as I2C, SPI, or analog outputs) making them compatible with a wide range of microcontrollers and circuit boards commonly used in electronic systems.

Issues such as drift in accuracy over time, sensitivity to environmental factors like temperature and humidity, electrical interference, and physical damage can affect the performance of board mount pressure sensors.

Some sensors are designed to measure additional parameters like temperature, altitude, flow, or liquid levels in addition to pressure, providing multi-functional capabilities in certain applications.

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