PCB-123B22
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      PCB-123B22

      Rocket motor ICP® pressure sensor 3000 psi 1mV/psi Helium bleed water-cooled (replaceable tubes)

      This new sensor replaces Model 123A22. Model 123B22 features water cooling tubes that may be replaced on site without returning the entire sensor back to PCB for service.
      • Measurement Range: 3000 psi (20685 kPa)
      • Sensitivity: (±15%)1.0 mV/psi (0.145 mV/kPa)
      • Low Frequency Response: (-5%)0.001 Hz
      • Resonant Frequency: >=25 kHz (>=25 kHz)
      • Electrical Connector: Integral Cable
      • Weight: 4.59 oz (130 gm)

      Specification Notes


      [1] Zero-based, least-squares, straight line method.
      [2] Typical.
      [3] With helium flow.
      [4] Applies to internal amplifer, not to external housing.
      [5] See PCB Declaration of Conformance PS023 for details.

      English:SI:
      Performance
      Measurement Range (for ± 3V output)3000 psi20685 kPa
      Sensitivity (±15 %)1.0 mV/psi0.145 mV/kPa
      Maximum Pressure5000 psi34475 kPa
      Resolution0.1 psi0.689 kPa [2]
      Resonant Frequency≥25 kHz≥25 kHz [3]
      Rise Time (Reflected)≤20 µ sec≤20 µ sec [3]
      Low Frequency Response (-5 %)0.001 Hz0.001 Hz
      Non-Linearity≤1.0 % FS≤1.0 % FS [1]
      Environmental
      Acceleration Sensitivity≤0.002 psi/g≤0.0014 kPa/(m/s²)
      Temperature Range (Operating)-100 to +250 °F-73 to +121 °C [4]
      Temperature Coefficient of Sensitivity≤0.03 %/°F≤0.054 %/°C
      Maximum Flash Temperature10000 °F5538 °C
      Maximum Vibration2000 g pk19600 m/s² pk
      Maximum Shock10000 g pk98070 m/s² pk
      Electrical
      Output Polarity (Positive Pressure)PositivePositive
      Discharge Time Constant (at room temp)≥500 sec≥500 sec
      Excitation Voltage20 to 30 VDC20 to 30 VDC
      Constant Current Excitation2 to 20 mA2 to 20 mA
      Output Impedance≤100 Ohm≤100 Ohm
      Output Bias Voltage8 to 12 VDC8 to 12 VDC
      Physical
      Housing Material17-4 Stainless Steel17-4 Stainless Steel
      DiaphragmInvarInvar
      SealingEpoxyEpoxy
      Electrical ConnectorIntegral CableIntegral Cable
      Weight (without cable)4.59 oz130 gm
      Helium Flow Rate (at 1,500 psi)40 scf/hr1.13 m³/hr
      Water Flow Rate (at 50 psi)1.2 gal/min4.5 L/min
      Cable Length4 ft1.2 m

      * All specifications are at room temperature unless otherwise specified.

      Accessories


      Supplied
      070A08Cable adaptor (10-32 jack to BNC jack)1
      065A72Replacment cooling tubes, set of 2 each, with o-rings, for series 123B2
      065A15Seal, 0.624" OD x 0.553" ID x 0.080" thk, brass (for Series M121Axx & 123A)3
      PCB-123B22

      Specific References

      Download

      123b22_specs.pdf

      PCB-123B22_specs

      Download (915.91k)

      123b22_manual.pdf

      PCB-123B22_manual

      Download (915.91k)

      66526-a_drawings.pdf

      PCB-123B22_drawings

      Download (124.34k)