PCB-123A
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PCB-123A

  • Pressure sensor with charge output,
  • For rocket engines,
  • Heliumbelüftet and water cooled,
  • Measuring range 20.685 kPa,
  • Sensitivity 0,159 pC/kPa,
  • Integrated cable, length 1.2 meters,
    ending on 10-32 plug
  • of 98.070 m /
    basic data
    sensitivity (±20%) 1.1 pC/psi 0,159 pC/kPa
    measuring range 3,000 psi 20.685 kPa
    Maximum pressure5,000 psi 34.475 kPa
    resolution 0,02 psi 0.138 kPa [1]
    resonance frequency ≥ 25,000 Hz [2]
    rise time (reflected pressure) &le≤ 20 µs [2]
    linearity ≤ 1% FS [3]
    Conditions of use
    Acceleration sensitivity ≤ 0.002 psi/g ≤ 1,41E-3 kPa/(m/s²)
    Temperature range (operation) -450 … 500 ° F -268 … 260 ° C
    Temperature coefficient of sensitivity ≤0,01 %/°F ≤ 0.018 %/°C
    maximum shock (for fraction of a second) 10,000 ° F 5.538 ° C
    maximum shock resistance 10,000 g PK PK
    Technical features
    output polarity (positive pressure) negative
    capacity 18 pF
    Electrical insulation ≥100 MΩ
    insulation resistance (at room temperature) ≥ 1,000,000 M Ω
    -physical Properties
    sensor element quartz
    geometry of the sensor element compression principle
    parts usematerial 17-4 (Stainless steel)
    membrane INVAR
    waterproofing epoxy resin
    Electrical connection integrated cable
    Cable length 4 ft 1.2 m
    helium flow velocity (1,500 psi) 40 SCF/h 1.13 m ³/h
    Water flow rate (at 50 psi) /1.2 gal / min 4.5 l/min
    mass 4.23 oz 120 grams
    Notes
    [1] resolution depending on the cable length and the range setting of the signal processing
    [2] with helium flow
    [3] zero-based balancing line, determined using the method of least squares
    Accessories
    065A15 seal, 0,624 "outside x 0,553" x 0.080 ", brass 3
    070A08 cable adapter (10 32 female to BNC female ) -1
    PCB-123A

    Specific References

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    123A_drawing.PDF

    Technical drawing

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    123A_manual.PDF

    Operating instructions

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    123A_specs.PDF

    Technical data sheet

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