PCB-123A

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/psi0,159 pC/kPa
    measuring range3,000 psi20.685 kPa
    Maximum pressure5,000 psi34.475 kPa
    resolution0,02 psi0.138 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 ° F5.538 ° C
    maximum shock resistance10,000 g PK PK
    Technical features
    output polarity (positive pressure)negative
    capacity18 pF
    Electrical insulation ≥100 MΩ
    insulation resistance (at room temperature)≥ 1,000,000 M Ω
    -physical Properties
    sensor elementquartz
    geometry of the sensor elementcompression principle
    parts usematerial17-4 (Stainless steel)
    membraneINVAR
    waterproofingepoxy resin
    Electrical connectionintegrated cable
    Cable length4 ft1.2 m
    helium flow velocity (1,500 psi)40 SCF/h1.13 m ³/h
    Water flow rate (at 50 psi)/1.2 gal / min4.5 l/min
    mass4.23 oz120 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
    065A15seal, 0,624 "outside x 0,553" x 0.080 ", brass3
    070A08cable adapter (10 32 female to BNC female )-1

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