PCB-121A44

PCB-121A44

  • ICP® pressure sensor with stainless steel membrane,
  • With ATEX / CSA approval,
  • For industrial applications,
  • Measuring range 344,8 kPa,
  • Sensitivity 14.5 mV / kPa,
  • Lower limiting frequency 0.5 Hz,
  • 2-pin connector
  • basic data
    measuring range (±5 V output range)50 psi344.8 kPa
    sensitivity (±15%)≥ 100 MΩ / psi14,5037 mV / kPa
    Maximum pressure8 kpsi55,16 MPa[9]
    resolution0.5 mpsi0.003 kPa
    Resonance frequency≥60.000 Hz
    rise time (reflected pressure)≤ 4 µs
    lower limiting frequency (-5%)0.5 Hz
    Linearity≤ 2.0% FS[1]
    conditions
    acceleration sensitivity≤ 0.05 psi/g ≤ 0.035 kPa/(m/s²)
    temperature range (operation)-65 … 250 ° F-54 … 121 ° C
    approval for hazardous Atmospheres(C-US) CSA NRTL - Canadian Standards Association[2] [3] [4] [5]
    approval for use in potentially explosive atmospheresATEX[6] [7] [8]
    specifications
    Output polarity (positive pressure)positive
    discharging charging time constant (at room temperature)≥ 1.0 s
    Supply voltage22 … 28 V DC
    constant power supply2 … 20 mA
    Output impedance< 100 Ω
    Bias voltage10 … 15 V DC
    electrical insulation ≥100 MΩ
    Physical properties
    geometry of the sensor elementcompression principle
    sensor elementquartz
    Housing material316 L (stainless steel)
    diaphragm316 L (stainless steel)
    sealinghermetically sealed verschwei ßt
    electrical connection2-pin connector (MIL-C-5015)
    dimensions2.7 oz75.6 grams
    Notes
    [1]Zero-balance just, determined using the method of least squares
    [2]AEx ia IIC T4, DIV1 CL1 GR A-D
    [3]Ex ia IIC T4, DIV1 CL1 GR A-D
    [4]AEx nA IIC T4, DIV2 CL1 GR A-D
    [5]Ex nL IIC T4, DIV2 CL1 GR A-D
    [6]Ex ia IIC T4
    [7]Ex nL IIC T4
    [8]Ex nA IIC T4
    [9]Due to the high sensitivity of the static pressure should be very slowly loaded and be reduced.
    [10]Details: see PCB Declaration of conformance PS059

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