Aplied Sensing  

Oleh:

Repas, Robert

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 82 no. 19 (Nov. 2010), page 91-96.
Topik: Right-angle LVDTs; Sensor Technology Brings Efficiency and Safety; Smooth operation; axial-mounted connectors.

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44.63 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Here's one way to shorten a linear-variable-differential transformer (LVDT): Put the connector on the side instead of on the end. That's the idea behind new LVDTs from Macro Sensors in Pennsauken, N. J. The company offers what it calls a right-angle configuration for its spring-loaded and through-bore LVDT position sensors. Besides making the LVDT shorter, the right-angle connection stops debris from accumulating inside the sensor body. Moreover, the bending radius of the mating cable does not add to the length when there's a side connection. As a result, the installed length of the LVDT position sensors is at least 2 in. shorter than comparable units with an axially mounted connector. Another advantage of this configuration: When open at both ends, its easy to clean dirt, grit, and dust out of the LVDT. The sensors are rated to operate up to 220°F (105°C). Hermetically sealed versions, constructed entirely of stainless steel with coil windings sealed asainst hostile environments to IEC standard IP-68, can withstand pressures up to 1,000 psi. The LVDTs come in both ac and dc configurations. Dc-operated units use built-in electronics to provide such features as frictionless operation and dynamic response, with the added convenience and simplicity of dc input and precalibrated dc output.

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