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   TAT Technology Overview

Rev. C

BASIC HARDWARE DESCRIPTION:

SENSOR:

All TAT transducer sensors uses a MEMs vibrating quartz crystals as a dynamic digital strain sensors mounted in metal part.  The metal part transfers the load to the crystals and provides environmental protection. The crystals are of a patented geometry, which together with the metal part design yields inherently low temperature sensitivity and good rejection of loading imperfections.  TAT technology offers the advantages of micromechanics without the typical disadvantages. 

The crystal responds to the load with a varying frequency while an optional second crystal acts as a fixed reference whereby a frequency difference is the signal from the load cell to a TAT on board electronics. The TAT electronics has an on board microprocessor which outputs a direct RS-232 signal and provides internal correction for temperature and nonlinearity.  On board IC chips optionally provide a high level voltage signal and an analog current signal. 

ELECTRONICS:

All required electronics are contained within the transducer assembly (or optionally in a box cabled to the transducer provided with the TAT system.) No special amplifiers, power supplies, cabling, mounting brackets or load interface hardware or calibration boxes are required.

 

Copyright © 1997-2000 Total Accuracy Transducers Incorporated.  All Rights Reserved.

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