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Building protection: Vocal communications equipment

Physical Acoustics

  • Measurement acoustic sensor / with preamplifier

40 dB, 60 - 500 kHz | PAC series

Article: 00015930

Measurement acoustic sensor / with preamplifier

In 1981, PAC's introduction of integral electronic sensors was a major step forward in industrial applications of Acoustic Emission. These transducers were specifically engineered to attain high sensitivity and have the capability to drive long cables without the need for a separate preamplifier. The elimination of separate preamplifiers, cables and vulnerable connectors greatly improves the reliability in tough environments and significantly reduces set up time. Therefore, it is practical to permanently mount these sensors on pressure vessels and piping for continuous monitoring.

Incorporating a low-noise input, 40 dB preamplifier and a filter all inside the sensor housing, our integral preamp sensors operate at 60, 150, 300 or 500 kHz resonant frequencies or wideband. Their integrated Auto Sensor Test (AST) capability allows the sensors to pulse as well as receive. This feature allows you to verify sensor coupling and performance at any time throughout the test.

All these sensors are completely enclosed in metal stainless steel (or aluminum) housings that are treated to minimize RFI/EMI interference. Care has also been taken to thermally isolate the critical input stage of the preamplifier in order to provide excellent temperature stability over the range of -35º to 75º C.

Specifications

  • Applications: measurement
  • Other characteristics: with preamplifier

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