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1-axis accelerometer A/28/E
piezoelectricultraminiatureadhesive

1-axis accelerometer
1-axis accelerometer
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Characteristics

Number of axes
1-axis
Technology
piezoelectric
Other characteristics
ultraminiature, adhesive, industrial, for automotive applications, for machine condition monitoring
Acceleration range

49,033 m/s² (160,869 ft/s²)

Frequency

45 kHz

Description

The A/28/E is the world’s smallest piezoelectric fully welded stainless steel accelerometer. This ultra-miniature piezoelectric vibration transducer provides virtual transparency when applied to the lightweight structures, allied to relative freedom from strain induced error. A/28/E incorporates a mechanically pre-loaded shear plate sensing element. Good practice in use of A/28/E will maximize service life. Removal from a structure involves shearing an adhesive bond, shock means are not advisable, use the detachment tool provided. Abrasive cleaning of the attachment face will reduce base thickness over time; sparing use of adhesive will aid longevity and data accuracy. Signal outlet is via a surface contact socket. A 0.8mm dia. Soft line cable is available specifically for the A/28/E. although graded anti-microphonic a certain amount of triboelectric induced noise will be generated. This together with cable induced strain may be minimized by anchoring the cable adjacent to the transducer, which should reduce measurement uncertainty around 5% @ 10g. Minimum g threshold is determined by instrumentation noise and environmental factors. A typical instrumentation (charge amplifier) noise spectral density (nsd) is around 0.02fC / √Hz above 100Hz increasing by 3dB/octave below 100Hz. Wideband noise is nsd x √bandwidth, i.e. 0.006pC/100 kHz and assumes zero input capacitance, increasing by a further 0.006pC/nF input capacitance (assuming 1nF charge amplifier transfer capacitance). A/28/E-1 Integral Cable option.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.