SPA 402 Series

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The SPA 402 Series offers piezoresistive silicon, stainless steel pressure sensors. Product highlights include excellent overpressure characteristics and chemical resistance. Media isolated sensors are designed to operate in hostile environments and yet give the outstanding sensitivity, linearity, and hysteresis of a silicon sensor. This pressure sensor is compatible with 316L stainless steel, a type of steel that increases corrosion resistance, improves resistance to pitting from chloride ion solutions, and provides increased strength at high temperatures.

The sensor chip is housed in a fluid-filled cylindrical cavity and isolated from measured media by a stainless steel diaphragm and body. The oil-filled cavity in this unique design of pressure sensor is at a minimum volume so the accuracy is greatly improved. The SPA 402 silicon pressure sensor is a thermally compensated device and has am amplified output with a ratiometric output signal (10% to 90% of supply voltage). This new pressure sensor offers design engineers excellent performance in various applications, especially for low pressure and smaller solutions. 

  • Features

    • 5 to 500 PSI
    • -40 to 125°C Temperature Range
    • Calibrated and Compensated Output
    • Supply voltage 2.7 to 5.5VDC
    • High accuracy (max 0.25% linearity and max 0.05% hysteresis) 
  • Applications

    • Industrial
    • Pneumatic and hydraulic components (e.g. valves, pumps)
    • Level measuring (e.g. environmental technology)
    • Process industry

equivalent Circuit

Pressure Sensor Maximum Ratings

Supply Voltage Vs

Supply voltage 2.7 to 5.5VDC

Environmental Specification

Temperature Ranges

-40 to 125°C

Storage Temperature Range

-40 to 125°C

Medium Temperature Range

-40 to 125°C

Available Package

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