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Trans-Tek AC-AC LVDT

September 14, 2009 By sensortipsadmin

Trans-Tek has created a unique category of Linear Displacement Transducer (LVDT), originally developed for a manufacturer of tools for the down-hole oil drilling industry. The products are the result of a collaborative, creative process that produced several iterations for increasingly deeper pressures and higher temperatures. Two models evolved, based on the company’s Series 230. However, Trans-Tek can add the same features to any stroke AC-AC LVDT. Other applications outside of the oil industry include R&D testing and nearly anywhere extreme environments exist.

trans-tek-LVDT.jpg

To accommodate such high pressure, the transducer housing is perforated to equalize pressure inside and outside the LVDT. Since the holes in the housing expose the coils inside, the fluid must be electrically non-conductive and chemically benign. Of course, many hydraulic oils meet this requirement. The high temperature ratings are achieved by using special internal materials.

These LVDT’s are rated for pressures to 35,000 psi, in electrically non-conductive, chemically benign media, at continuous temperatures as high as 450°F. Non-linearity is ±0.25% and temperature coefficient of sensitivity is ±0.01% per degree/F. A high sensitivity output offers infinite resolution in a variety of strokes. Trans-Tek high-temp/high-pressure LVDT’s are available in a choice of 3/8” or ¾” OD body style with signal conditioners for DC-DC or 4-20 mA operation.

Trans-Tek
www.transtekinc.biz

Filed Under: Pressure Tagged With: LVDT, trans-tek, transducer

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