Miniature multi-axis accelerometers

2nd August 2013
Source: Aptifirst
Posted By : Nat Bowers
Miniature multi-axis accelerometers

CTA304 miniature, competitively-priced tri-axial accelerometers with many field of application, including defence, aerospace, motor racing, sports dynamics, production and processing, research and development, troubleshooting and laboratory projects.

Measurements of true dynamics are possible due to the accelerometers' ability to measure static (dc) and dynamic accelerations. The sensing elements are high-stability, MEMS micro-machined silicon capacitive strain gauges, potted in a rugged, compact aluminium alloy case designed for ease of mounting and to give an IP65 / NEMA 4 seal. The CTA304 is a triaxial model, but versions are available with single and dual axis measurement, and with a flying lead or military-specification sub-miniature plug and socket connector.

CTA304 accelerometers are available in ranges from ±2g to ±200g, all with an impressive overload capability of ±4,000g and sealed to IP65. Measurements may be made in the frequency range DC to 1,200Hz. The sensors can be supplied for power supplies of 5V DC or 8 - 16V DC, and supply an output signal of 0.5 to 4.5V, with a zero shift of 2.5V, ie the output signal is ±2.0V about the +2.5V zero point.

Roy Carter, Aptifirst's Managing Director, said, "Our CTA range of accelerometers is very popular, having such a wide overload capability and having a simple voltage output. As well as the triaxial CTA304, we have also bi-axial and uni-axial models. We also have a low bandwidth model, the CTA306, which measures between 0 and 20Hz, where it is required to measure low-frequency accelerations in a noisy environment."

Aptifirst offers also dual- and single-axis accelerometers, as well as load cells, radio telemetry remote control and monitoring equipment, materials testing instruments, prototype and special instruments and software, and other items. Aptifirst has many years of experience with transducer applications, we are therefore able to fully understand complex project requirements and are happy to assist with any application.

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