113.01 : Uniaxial Piezo Side (Velocimeter)

General  Characteristics (metric): Hex 0.8 inch, Height = 0.9 inch,  weight=5.0 Oz, 120°C, 1/4" 28 UNF thread.

For dependable vibration monitoring in demanding industrial applications, the hermetically sealed piezovelocity transducer model 113 is an excellent choice. It features the industry-standard ICP 2-wire voltage transmission (4 mA constant current) for simplified integration. Enjoy precise and noise-free data thanks to its isolated signal ground, which eliminates ground loops, and Faraday shielding, which reduces EMC interference. The innovative annular shear design ensures stable readings by preventing errors from thermal transients and base strain. Moreover, its low-noise electronics and temperature compensation deliver consistent accuracy throughout its entire operating temperature range.

Typical applications: 

For optimal monitoring of rotating machines with rolling element bearings, velocity is the generally favored measurement. However, standard piezoelectric accelerometers can struggle to provide accurate velocity readings (via integration) in the presence of significant high-frequency noise, which can cause saturation. Piezovelocity sensors offer a distinct advantage by integrating the signal internally. This inherent filtering of high frequencies results in more reliable low-frequency velocity measurements, making them particularly useful for equipment susceptible to high-frequency noise, such as paper machine dryers with steam leaks and cavitating pumps.

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