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TruStability™ Pressure Sensor with Single Side Liquid Media Option | Honeywell

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TruStability™ Pressure Sensor with Single Side Liquid Media | Ho

Until now, Honeywell’s TruStability™ Pressure Sensors have been intended for use with non-corrosive, non-ionic working fluids such as air and dry gases. The new single side Liquid Media Option allows the end customer to use one port of the sensor with condensing humidity or non-corrosive liquid media (i.e. de-ionized water), eliminating the complexity or added expense of having to protect the sensor from this type of media. Honeywell’s TruStability® Pressure Sensors offer different accuracies and compensated temperature ranges that address specific segment needs.

Key benefits not found in competitive pressure sensors include:    

  • Stability: Industry-leading stability
  • Accuracy: Extremely tight accuracy specification
  • Flexibility: Modular and flexible design with a variety of package styles and options, all with the same industry-leading performance specifications

The HSC Series is designed to provide an industry-leading ±1% total error band specification, compensated across a 0 °C to 50 °C [32 °F to 122 °F] temperature range. The SSC Series is designed to provide a ±2% total error band specification, compensated across a wider -20 °C to 85 °C [-4 °F to 185 °F] temperature range.

The HSC and SSC Series’ footprint is very small in comparison to most silicon pressure sensors, including the current Honeywell portfolio. Despite their small size, they are temperature compensated, calibrated, and provide an amplified signal, typically allowing the customer to remove the components associated with signal conditioning from the PCB to increase space and reduce costs often associated with those components (e.g., acquisition, inventory, assembly). This integrated capability often eliminates problems that could occur from having multiple signal conditioning components across the PCB.

Both series offer the option of analog or digital outputs. Digital ASIC output in either I2C or SPI protocols from digital sensors accelerates performance through reduced conversion requirements and the convenience of direct interface to microprocessors or microcontrollers. Custom calibration ranges, output options, power options (3.3 Vdc or 5.0 Vdc), pressure types (absolute, differential, gage, compound), pressure ranges (1 psi to 150 psi), a wide array of mounting options (lead through SIP, DIP, and surface mount technology), and multiple package options provide support for many unique applications. They are designed to provide digital correction of sensor offset, sensitivity, temperature coefficients, and non-linearity.

Features & Benefits:

  • Stability: Industry-leading stability often eliminates the need for calibration after board mount, and periodically over time
  • Accuracy: Calibrated to optimize accuracy
  • Small Size: Occupies less area on the printed circuit board, typically allowing for easier placement on crowded boards or in small devices
  • Flexibility of use within application: Multiple packaging, mounting, power, and signal options, plus customized calibration capabilities; with the single side wet media option, the end customer can use one port of the sensor with condensing humidity or directly with non-corrosive liquid media
  • Repeatability: Provides excellent repeatability, high accuracy, and reliability under many demanding conditions
  • Efficient: Allows pressure monitoring within the specified range so that the appropriate adjustments can be made
  • Sensitive: Meets specified pressure level requirements, providing enhanced sensitivity and accuracy over the range

Applications:

  • Industrial
    • (Barometry, flow calibrators, gas chromatography, gas flow instrumentation, HVAC, life science and pneumatic controls)
  • Medical
    • Airflow monitors
    • Gas flow instrumentation
    • Hospital diagnostics (gas chromatography, blood analysis machines)
    • Kidney dialysis machines
    • Oxygen concentrators
    • Pneumatic controls
    • Respiratory devices/machines (ventilators, anesthesia machines, patient monitoring)
    • Sleep apnea equipment

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