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Free-field response pre-polarized array microphone.

PCB Piezotronics introduced its Model 130D22 combined ICP free-field response prepolarized array microphone and preamplifier. The microphone measures sound pressure levels and frequencies in the audible range, and it can be used simultaneously with ICP accelerometers to simplify test setups. It also incorporates an SMB connector, provides seamless transition for many data acquisition systems and software set-ups, and it saves time when connecting multiple units such as in a large channel array setup. When used with data acquisition systems that have 2 mA to 20 mA constant current supply, the system does not require additional power supplies. The unit has high sensitivity (45 mV/Pa), uses standard low-cost coaxial cables, and it has optional TEDS capability which allows for ease of use and traceability.

[ILLUSTRATION OMITTED]

PCB Piezotronics, Inc.

716-684-0001, www.pcb.com

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Title Annotation:SENSORS & ACTUATORS
Publication:ECN-Electronic Component News
Date:Dec 15, 2007
Words:133
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