Miniature PiezoBeam TEDS accelerometers for multi-channel modal testing
Offered in ranges of ±5 g, ±10 g and ±50 g with sensitivities from 1000 mV/g to 100 mV/g, the sensor’s ceramic cantilever beam sensing element is thermally compensated using patented methods that allow it to emit an electrical charge proportional to vibration. The sensing element is enclosed within a hermetically sealed, welded titanium housing with low base strain sensitivity. An internal low noise charge amplifier provides a low impedance output with outstanding amplitude and phase response over a wide frequency range and exceptional measurement stability. The single axis Kistler Type 8640A also features an integral 10-32 connector, as well as several mounting accessories, for easy installation into space constrained environments.
For simultaneous vibration measurements in three orthogonal axes, Kistler offers the Type 8688A precision PiezoBeam IEPE triaxial modal accelerometer. The Type 8688A is the company’s dimensionally smallest, lowest mass PiezoBeam IEPE triaxial accelerometer model, weighing just 6.7 grams (for 1000 mV/g). Available in ranges of ±5 g, ±10 g and ±50 g, with choice of 1000 mV/g, 500 mV/g or 100 mV/g sensitivitie, the unit provides outstanding amplitude and phase response over a wide frequency range and is temperature compensated using Kistler’s own patented methods. Type 8688A sensors feature an integral low-noise charge amplifier that converts the charge signal to a proportional high level voltage signal. Both single axis and triaxial models operate directly from an IEPE power source found in most FFT analyzers, as well as from Kistler Piezotron power supply couplers or any other industry standard IEPE-compatible power source. Units are ground isolated when mounted with the optional twist-clip or adhesive adapter.
Visit Kistler at www.kistler.com
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