AcSoft
Svantek UK

U Regular Probe

The ½ inch U Regular integrates one single Microflown sensor. The Microflown is the only transducer which can physically measure the acoustic particle velocity directly. Any sound field is described by two complementary acoustic properties, the acoustic particle velocity vector and the scalar sound pressure. The U Regular captures a one-dimensional component of the particle velocity vector.

Microflown

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In the acoustic near field, particle velocity is the dominant acoustic property. Here the acoustic particle velocity and the structural velocity become directly proportional. This makes the U Regular very suitable for non-contact vibration measurements. The U Regular is designed to be used very close to the excitation source and capable of reaching difficult-to-access locations. Measuring acoustic particle velocity in the near field can be beneficial for more than only non-contact vibrations e.g. high-resolution source localisation, troubleshooting, bio-acoustics and many more.

Features:

  • Broadband response 20 Hz – 10 kHz
  • Maximum level up to 132 dB
  • Max temperature 85 °C

Applications:

  • Particle velocity measurements
  • Non-contact vibrations
  • Troubleshooting
Sensor performance
Sensitivity 12 V/(m/s)
Frequency Range (±1 dB) 40 – 8000 Hz
Frequency Range (±2 dB) 20 – 10000 Hz
Maximum level 130 dB
Noise floor (20 – 2 kHz) 34 dB(A)
Noise floor (20 – 10 kHz) 52 dB(A)
Environmental
Temperature range -20 to 85 °C
Temperature Coefficient 0.006 dB/°C
Influence of Humidity (30 – 90%) 0.06 dB/%HR
Static Pressure Coefficient < 0.5 dB/kPa
Maximum airflow 1.5 m/s
Physical dimensions
Connector type 7 pin LEMO
Weight 40.1 g
Diameter 12.7 mm
Length 129.2 mm

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