PCB Piezotronics introduces pre-polarized condenser microphone model EX378B02

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  PCB Piezotronics introduces pre-polarized condenser microphone system EX378B02

5. June 2018 – PCB Piezotronics has released a pre-polarized condenser microphone system – Model EX378B02 – for use in potentially explosive atmospheres. The microphone system is compatible with explosive atmospheres and gaseous hazardous environments where standard microphones are restricted. In addition, the EX378B02 meets the safety standards for all above-ground applications worldwide. underground very high (Ma) mine protection levels for all mining sites outside of North America; and underground mine safety tests in Europe

The EX378B02 is equipped with a free-field microphone cartridge. It has a frequency range of 3.75 to 20,000 Hz. With the low-end noise floor measurement capability of 15.5 dBA, exactly 137 dB can be measured at the upper end. The extended range makes this acoustic measurement system the first choice for leak detection, gas tank inspection, oil rig and machine monitoring in areas where spark arrest is critical.

Please send us your request with full details via the following link to supply your equipment in the fields of power, instrumentation and industrial computers. We will try to respond to you as soon as possible.

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