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. 2013 Aug 19;118:301–352. doi: 10.6028/jres.118.015

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The Journal of Research of the National Institute of Standards and Technology is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.

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Fig. 12 — Picture of exploded view of the lower part of the variable temperature only (VTO) probe. The test fixture is bolted between the top and bottom terminals. In operation, the left direction is up. Each terminal has a thermometer and heater. The top and bottom copper shells are two halves of a cylinder. Follow the assembly arrows from the shells to the terminals to see how the two shells fit around the test fixture and terminals.