GRAS 40SC CCP Probe Microphone

The GRAS 40SC CCP Probe Microphone is specially engineered for sound pressure measurements in hard-to-access locations and under extremely harsh environments. Featuring a unique stainless-steel probe design, the product can withstand temperatures up to 800°C and measure very high Sound Pressure Levels (SPL).

Applications

With its high-temperature resilience and unique probe design, the GRAS 40SC is an indispensable tool for advanced applications:

  • Exhaust-system Measurements: For analyzing noise and pressure within the exhaust systems of internal combustion engines and gas turbines, where extreme temperatures are present.

  • Acoustic-impedance Measurements: Ideal for measuring the impedance of materials or within small cavities and ducts without altering the characteristics of the measurement environment.

  • Engine Bay and Heavy Industry Testing: For noise measurements in close proximity to heat sources and during hot industrial processes.

  • Diagnostics in Confined Spaces: The probe can be inserted into narrow slits, small apertures, or inside equipment to diagnose sound sources that are inaccessible to standard microphones.

Technical Specifications

  • Frequency Range: 2 Hz ... 8 kHz
  • Dynamic Range: 40 dB ... 160 dB
  • Sensitivity: 3 mV/Pa
  • Operating Temperature: -25 ... 700 °C
  • Design high acoustic impedance probe.
  • Materials stainless-steel body and probe tube.

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