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ACOUSTIC SENSORS & TESTING SOLUTIONS
Sound Intensity Probes

PU Mini

1/2" PU Mini sound intensity probe

The PU Mini, a miniaturized PU designed for all your diverse testing requirements and needs. Measure sound pressure and particle velocity physically at the same point in one compact probe designed specifically to handle measurements that demand high spatial resolution but has space limitations. Give your product an edge by unleashing the complete potential of a PU probe to visualize & localize your sound sources.

Features

  • Broad Band | 20Hz -10kHz
  • Compact design
  • High spatial resolution
  • Low susceptibility to P/I
  • Less dependent on environment conditions

Applications

  • Sensor array applications
  • Noise Source Identification
  • Configurable grids for Near Field Acoustic Camera
  • Range of Acoustic quantities: Sound Intensity, Sound Power, PVL measurements

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Specifications

Sensor performance Sound Pressure | Particle Velocity
Sensitivity 65 mV/Pa | 30 V/(m/s)
Frequency Range (±1 dB) 40 - 8000 Hz
Frequency Range (±2 dB) 20 - 10000 Hz
Maximum Level 112 dB | 125 dB
Noise floor (20 Hz - 2 kHz) 22 dB(A) | 27 dB(A)
Noise floor (20 Hz - 10 kHz) 27 dB(A) | 43 dB(A)
Environmental Sound Pressure | Particle Velocity
Temperature -20 to 63 °C
Temperature Coefficient 0.067 dB/°C | 0.006 dB/°C
Influence of Humidity (30 - 90%) 0.05 dB/%RH | 0.06 dB/%RH
Static Pressure Coefficient < 0.5 dB/kPA
Maximum airflow 1.5 m/s
Physical dimensions
Connector type 4 pin LEMO
Weight 18.8 g
Diameter 12.7 mm (1/2 inch)
Length 40.7 mm
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