Dytran Series 7503D triaxial VC MEMS accelerometer

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Dytran Instruments has announced the Series 7503D high-precision variable capacitance (VC) triaxial accelerometers. The series combines three VC accelerometer chips with high-drive, low-impedance buffering for measuring acceleration in rugged automotive, commercial and industrial environments.

The accelerometers are tailored for DC-to-medium frequency response applications and contain hermetically sealed MEMS capacitive sensing elements, a custom integrated circuit amplifier, low-noise electronics and differential output stages. The hermetically sealed titanium case has a single 5/16-32 9-pin receptacle and can easily be mounted using either two Ø.18 thru holes or a 1/4-28 UNF-2B mounting hole.

Units are available in 10 different ranges (from 5 to 400 g) to cover a broad range of acceleration measurements. They operate over a broad temperature range and provide thermal stability. Sensors can be conditioned using any power supply that is capable of producing voltages in the range of 9 to 26 VDC. When used with the Dytran 6964AXX cable, the cable shield is electrically connected to the titanium case; the power and signal wires are isolated from the case.

The robust sensors provide DC triaxial measurements in a lightweight, efficient package. The hermetically sealed titanium housing ensures high performance in heat and humidity, as well as in harsh and dirty environments. Typical uses for the series include but are not limited to the following: aerospace flight testing, automotive road load testing (RLDA), automotive durability, automotive squeak and rattle, simulator control and space flight.