High pre­ci­sion tri­ax­ial VC mems ac­celerom­e­ter

DEMM Engineering & Manufacturing - - PRODUCT WATCH -

Dy­tran In­stru­ments has re­leased the se­ries 7503D fam­ily of high- pre­ci­sion vari­able ca­pac­i­tance ( VC) tri­ax­ial ac­celerom­e­ters.

Se­ries 7503D com­bines three VC ac­celerom­e­ter chips with high drive, low im­ped­ance buffer­ing for mea­sur­ing ac­cel­er­a­tion in rugged au­to­mo­tive, com­mer­cial and in­dus­trial en­vi­ron­ments. These ac­celerom­e­ters are tai­lored for DC-tomedium 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 nine-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 ten dif­fer­ent ranges (from 5g to 400 g) to cover a broad range of ac­cel­er­a­tion mea­sure­ments. They op­er­ate over a broad tem­per­a­ture range and pro­vide tther­mal sta­bil­ity. Sen­sors ccan be con­di­tioned us­ing aany power sup­ply that is ca­pa­ble of pro­duc­ing vvolt­ages in the range oof +9 to +26 VDC. WWhen used with Dy­tran 66964AXX cable, the cable shield is elec­tri­cally con­nected to the ti­ta­nium case; the power and sig­nal wires are iso­lated from the case. Dy­tran says the sen­sors are ro­bust and re­li­able and pro­vide DC tri­ax­ial mea­sure­ments in a light­weight, ef­fi­cient pack­age. In ad­di­tion, the her­met­i­cally sealed ti­ta­nium hous­ing en­sures high per­for­mance in heat and hu­mid­ity, as well as in harsh and dirty en­vi­ron­ments. Typ­i­cal uses for the 7503D se­ries in­clude but are not lim­ited to the fol­low­ing ap­pli­ca­tions: aero­space flight test­ing, au­to­mo­tive road load test­ing (RLDA), au­to­mo­tive dura­bil­ity, au­to­mo­tive squeak and rat­tle, sim­u­la­tor con­trol and space flight.

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