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Quarter-inch precision condenser microphone

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article image Stainless steel construction.
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Thermo Fisher Scientific and PCB Piezotronics have introduced a quarter-inch, externally polarised pressure microphone for extremely high-level decibel measurements.

Model 377A51 has a flat pressure-frequency response from 10Hz to 20kHz, measures sound pressure levels up to 192dB re 20µPa, and operates via a 200V power supply.

Constructed of stainless steel and utilising a Lemo 1B 7-pin cable, this microphone meets IEC and ANSI standards and is ideal for acoustic testing of airbags, aircraft and rockets, gun blast, and any other high decibel applications.

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