PCB-138A25

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 kpsi172.375 kPa[4]
    usable range (±10 V output range) 50,000 psi344.750 kPa[1]
    sensitivity (±15%)0.2 mV / psi0.029 mV / kPa
    maximum pressure50,000 psi344.750 kPa
    Resolution0.5 psi3.5 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 resistance20,000 g pk196.140 m/s 2 pk
    technical
    Output polarity (positive pressure)Positive
    discharging charging time constant (at room temperature)≥ 0.2 s
    supply20 … 30 V DC
    Constant power supply2 … 20 mA
    output impedance≤ 100 Ω
    Bias voltage8 … 14 V DC
    Physical properties
    sensor elementtourmaline
    housing materialstainless steel
    Electrical connection10-32-coaxial socket
    weight0.75 oz21.0 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

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