PCB-138A25
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PCB-138A25

  • Tourmaline-ICP® pressure sensor,
  • For underwater use,
  • Measuring range 172.400 kPa,
  • Sensitivity 0.029 mV / kPa,
  • Length 193 mm,
  • 10-32 female connector < br(optional mit wasserdichter Kabelverbindung)
  • basic data
    measurement range (±5 V output range) 25 kpsi 172.375 kPa [4]
    usable range (±10 V output range) 50,000 psi 344.750 kPa [1]
    sensitivity (±15%) 0.2 mV / psi 0.029 mV / kPa
    maximum pressure 50,000 psi 344.750 kPa
    Resolution 0.5 psi 3.5 kPa [2]
    resonance frequency ≥ 1,000,000 Hz
    Rise time (reflected pressure) ≤ 1.5 µs
    lower limiting frequency (-5%) 2.5 Hz
    linearity ≤ 2.0 % FS [3]
    conditions
    temperature range (operation) 0 … 100 ° F -17.8 … 37.8 ° C
    maximum Shock resistance 20,000 g pk 196.140 m/s 2 pk
    technical
    Output polarity (positive pressure) Positive
    discharging charging time constant (at room temperature) ≥ 0.2 s
    supply 20 … 30 V DC
    Constant power supply 2 … 20 mA
    output impedance ≤ 100 Ω
    Bias voltage 8 … 14 V DC
    Physical properties
    sensor element tourmaline
    housing material stainless steel
    Electrical connection 10-32-coaxial socket
    weight 0.75 oz 21.0 grams
    notes
    [1] for Output range up to 10 V, the supply voltage must be at least 24 V DC. At low bias voltage of the sensor, no negative output range is usable up to-10 V.
    [2] typically
    [3] zero-based balancing line,.determined with the method of least squares
    [4]Calibrated range up to 20,000 psi
    [5]Details: see PCBs Declaration of conformance PS023
    PCB-138A25

    Specific References

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    138A25_drawing.PDF

    Technical drawing

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    138A25_manual.PDF

    Operating instructions

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    138A25_specs.PDF

    Technical data sheet

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