{"id":15906,"date":"2022-01-27T15:35:38","date_gmt":"2022-01-27T14:35:38","guid":{"rendered":"https:\/\/www.reseau-mesure.com\/?p=15906"},"modified":"2022-01-27T15:35:50","modified_gmt":"2022-01-27T14:35:50","slug":"les-accelerometres-piezoresistifs","status":"publish","type":"post","link":"https:\/\/www.reseau-mesure.com\/en\/les-accelerometres-piezoresistifs\/","title":{"rendered":"HIGH LEVEL SHOCK MEMS"},"content":{"rendered":"

\u00a0WITHOUT TRIBOELECTRIC EFFECT<\/strong><\/p>\n\n\n\n

No triboelectric effect with new technology cables!\u00a0<\/strong><\/h2>\n

The Endevco 7274A & 7284A series triaxial piezoresistive MEMS accelerometers are intended for applications such as metal-to-metal shock, pyrotechnic shock, shielding and structure testing, drop and explosion tests, stage separation typical of the aerospace field.
In these high level shock dynamic environments, cable noise is a significant factor. \u201cThe cable can indeed be jolted or bumped, even when it is carefully attached. This generates a buildup of static electricity, which can flow to the conductors and show up in the accelerometer output,\u201d said Jennifer MacDonell, MEMS Product Line Manager at Endevco. The 7274A and 7284A series enclosures feature eight-conductor cable with robust construction and new technology (graphite coating layer on each conductor), which can durably withstand high-acceleration shock environments, minimize induced noise generated by the movement of the cable and make the measurement more accurate.
The two series of sensors, resistive assembled in a Wheatstone bridge, deliver a signal, image of the stress, without zero offset or drift. They cover a wide spectrum of measurements thanks to their own very high natural frequency and also offer high shock resistance: up to 3x their measurement range.
Their low frequency components are particularly suitable and allow the integration of the signal in order to also calculate the behavior in terms of speed and displacement of the measured phenomenon.
In addition, the 7284A series is equipped with a damping which allows the sensor to attenuate the resonance at its own frequency after events of very short duration (eg metal-to-metal shock, pyrotechnic shock).
For more information, visit: 7274A & 7284A Series Piezoresistive MEMS Triaxial Sensors<\/p>\n

Piezotronics PCB<\/strong><\/a> will be present from EXPO 2022 Solutions Measures<\/a><\/p>","protected":false},"excerpt":{"rendered":"

\u00a0NO TRIBOELECTRIC EFFECT No triboelectric effect with new technology cables! The Endevco 7274A & 7284A series triaxial piezoresistive MEMS accelerometers are intended for applications such as metal-to-metal shock, pyrotechnic shock, shielding and structure testing, drop and explosion testing, stage separation typical of the aerospace field. \u2026<\/p>","protected":false},"author":720,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-15906","post","type-post","status-publish","format-standard","hentry","category-defaut"],"acf":[],"yoast_head":"\nMEMS CHOCS DE HAUT NIVEAU - R\u00e9seau Mesure<\/title>\n<meta name=\"description\" content=\"Les acc\u00e9l\u00e9rom\u00e8tres pi\u00e9zor\u00e9sistifs MEMS triaxiaux de la s\u00e9rie Endevco 7274A & 7284A sont destin\u00e9s aux applications de mesure de choc m\u00e9tal contre m\u00e9tal, choc pyrotechnique, test de blindages et structures, essais de chutes et explosions, s\u00e9paration d\u2019\u00e9tage typiques du domaine a\u00e9rospatial.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.reseau-mesure.com\/en\/les-accelerometres-piezoresistifs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MEMS CHOCS DE HAUT NIVEAU - 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