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首页> 美国政府科技报告 >Techniques in High-Temperature Resistance Thermometry: 1. Construction of the NBS-Design High-Temperature Platinum Resistance Thermometer. 2. Toroidal Resistor for High-Temperature Platinum Resistance Thermometers
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Techniques in High-Temperature Resistance Thermometry: 1. Construction of the NBS-Design High-Temperature Platinum Resistance Thermometer. 2. Toroidal Resistor for High-Temperature Platinum Resistance Thermometers

机译：高温电阻测温技术：1。NBs设计的高温铂电阻温度计的构建。 2.用于高温铂电阻温度计的环形电阻器

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摘要

This Technical Note consists of two papers dealing with design and construction aspects of high-temperature platinum resistance thermometers intended for use as standard interpolating instruments up to the gold point (1064 C). Performance experience with the thermometers has been or will be presented elsewhere. The first paper describes the construction of a thermometer utilizing a resistor of reference-grade platinum wire wound in a single-layer, bifilar helix. The supports and insulators are made of high-purity fused silica, and the thermometer incorporates an electrical guard system to minimize the effects of electrical leakage. The second paper describes a new type of resistor for high-temperature platinum resistance thermometers, the 'toroidal' resistor. The resistor is designed to be easy to make from readily available materials, and it features robustness, small size, and freedom from strain.

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