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Pressure Sensors for Aerodynamic Testing and Analysis

132B38 Microsensor

Micro ICP® Pressure Sensor

Model 132B38 Micro ICP® Pressure Sensor

For measurement of short wavelength pressure pulses, 132B38 piezoelectric ICP® micro pressure sensor features 0.5 microsecond response. The sensor’s micro-second response time accurately measures pressure peaks from fast rising shock waves and very high frequency pressure phenomena. The 1mm diameter sensing element allows measurement of short wavelength incident pressure waves. A short time constant filters off the static component of wind tunnel pressure, allowing differentiation of consecutive pulses.

  • Measurement Range: 50 psi (345 kPa)
  • Sensitivity: (±30%) 140 mV/psi (20.3 mV/kPa)
  • Resolution: 0.001 psi (0.007 kPa)
  • Low Frequency Response: (-5%) 11 kHz
  • Weight: 12.77 gm
Model 831 Sound Level Meter

Flight Tested ICP® Acoustic Pressure Microphones

Model 103B01 Acoustic ICP® pressure sensor

Series 103B ICP® Acoustic Pressure Sensors measure pulsating, transient, and turbulent acoustic phenomena on air vehicles and other structures. For use in measurement of dynamic and acoustic pressure in aircraft and rocket applications. ICP® microelectronics are used for low impedance, high voltage output and ability to withstand shock during stage separations.

  • Measurement Range: 3.00 psi (180.3 dB)
  • Sensitivity: (±15%) 1500 mV/psi (217.5 mV/kPa)
  • Resolution: 0.00002 psi (77 dB)
  • Low Frequency Response: (-5%) 5 Hz
  • Resonant Frequency: ≥13 kHz
Model 831 Sound Level Meter

Miniature High Sensitivity ICP® Probes

Models 112A22 & 112M362 High resolution ICP® pressure sensor

Used to measure small dynamic pressures such as turbulence, noise, sound, cavitation and pulsations, especially in adverse environments. Capable of measuring high intensity sound pressures from 0.001 psi to 50 psi (111 to 205 dB in air) at any static level from full vacuum to 500 psi. Internal acceleration compensation minimizes vibration sensitivity and an internal discharging resistor automatically eliminates static (DC) signal components.

  • Measurement Range: 50 psi (345 kPa)
  • Sensitivity: (±15%) 100 mV/psi (14.5 mV/kPa)
  • Resolution: 0.001 psi (0.007 kPa)
  • Low Frequency Response: (-5%) 0.50 Hz
  • Resonant Frequency: ≥250 kHz