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PCB Piezotronics introduces Surface Microphone for R&D Testing


Low Profile Design Ideal for Testing in Confined Spaces and Windy Environments

PCB Piezotronics announces the launch of its new surface microphone which was developed for research and test engineers or acoustic consultants taking measurements in spaces where traditional microphones won't fit or outdoor environments and wind tunnels, where the effects of wind noise on measurements is a concern. Designed using computational fluid dynamics (CFD) modeling, the new model is a low profile microphone and surface mount pad that greatly reduces the impact of undesired air pressure on the microphone during the measurement process.

Model 130B40 is an all-in-one, water and dust resistant prepolarised (0V) unit that runs off ICP® power or equivalent constant current power supply and connects via a 10-32 microdot connector. A key feature of the 130B40 microphone is its maximum dynamic range of 142dB at 3% distortion (150dB before clipping). The sensitivity is 8.5mV/Pa with a low noise floor rating of 32dBA. TEDS (Transducer Electronic Data Sheets) v1.0 is an included feature, which enables the test engineer to locate a specific microphone within a large group. TEDS also stores useful calibration and manufacturer data.

Typical applications include sound pressure measurements in space-constrained cavities, environmental testing or Clear Air Turbulence (CAT), tornado research, wind tunnel testing or general sound analysis where wind noise may be an issue. The surface microphone can be used in any flush mount application and can be embedded into a wall or mounted with adhesive on a flat surface. The height is 3mm, making it an excellent choice for applications that require the microphone to have a low profile.

Model 130B40 is a quality acoustic measurement sensor with a small footprint and a very competitive price. The new surface microphone is in stock and available for immediate shipment. For additional information please visit
www.pcb.com/surfacemictest


About PCB Piezotronics
PCB Piezotronics is a leading supplier of microphones, vibration, pressure, force, torque, load and strain sensors, as well as the pioneer of ICP® technology. This instrumentation is used for test, measurement, monitoring and control requirements in automotive, aerospace, industrial, R&D, military, educational, commercial, OEM applications and more. Our Platinum Products programme ensures fast delivery of over 10,000 sensors that are covered by a Lifetime Warranty. With a customer support team of more than 30 Customer Service Representatives and Application Engineers, PCB® proudly stands behind their products with the services you value most, including 24-hour technical support, a global distribution network and the industry's only commitment to Total Customer Satisfaction. Visit us at www.pcb.com



For more information, please contact :-

PCB Piezotronics Ltd.
Tel: +44(0)1462 429710
Fax: +44(0)1462 429798
Email:
ukinfo@pcb.com
Website:
www.pcbsensors.co.uk

March 2014

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