Kistler Instruments Ltd. - PRODUCT NEWS
New calibration accelerometer from Kistler uses innovative shear design
The new Type 8080 back-to-back vibration calibration standard accelerometer uses an innovative PiezoStar® based sensing element, first of its kind for a back to back sensor, which combines very good transient response with very low case/base strain sensitivity and a 50g range. The accelerometer is designed specifically for use as a transfer standard for calibrating accelerometers and is equally suited to laboratory and field applications.
The new accelerometer is Kistler's most accurate and repeatable low impedance, back-to-back, vibration calibration standard and features low base strain, long-term and thermal stability and high frequency response. Due to its unique shear design, it offers minimum sensitivity to shaker lateral rotation (rocking motion). A beryllium mounting base, lapped optically flat, provides optimum coupling between Type 8080 and the accelerometer being calibrated. Contained within the housing is a piezoelectric system consisting of a seismic mass preloaded to a PiezoStar element and miniature hybrid electronics. This combination yields a high level, low impedance voltage output signal proportional to the accelerating stimulus.
This PiezoStar® based sensing element offers long-term thermal stability from -65oC to 120oC, and is superior to quartz in terms of voltage gain/noise. The high rigidity provides a frequency response flat to within ±5 % from 1 Hz up to 10 kHz. The shear design, first of its kind for back-to-back sensors, combines an excellent transient response with very low case/base strain sensitivity and a ground isolated interface to shaker. Both signal and DC excitation power are connected through a single coaxial cable.
The Swiss-based Kistler Group is a leading global supplier of dynamic measurement technology for pressure, force, torque and acceleration. Kistler's technology is used to analyse physical processes, control industrial processes and optimize product quality.
Kistler has a full range of sensors, electronics and systems for engine development, vehicle technology, assembly technology, plastic and metal processing as well as for biomechanics.
The Group maintains its global presence through 26 sales and manufacturing companies, with tech centres on all continents and more than 30 agencies, enabling the Group to maintain local contact with customers and offer individualized application support.
The Kistler Group employs 1,250 people worldwide and generated revenues of CHF 285 million (GBP 193.5M) in 2013.
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