TUNNELING THERMOMETER

被引：4

作者：

CHMIELOWSKI, M ^{[1
]}

WITEK, A ^{[1
]}

机构：

[1] UNIV DELAWARE,DEPT PHYS & ASTRON,NEWARK,DE 19718

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 1994年 / 45卷 / 02期

关键词：

THERMOMETER; TUNNELING SENSOR; TEMPERATURE REFERENCE;

D O I：

10.1016/0924-4247(94)00826-4

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A design is presented for a tunneling thermometer that will not require calibration to temperature standards (ITS-90), but can be directly calibrated with respect to more convenient and accurate mechanical and time standards (kg, m, Hz). The proposed thermometer converts the energy of thermal oscillations of a cantilevered quartz beam of submillimeter size into an electrical signal through tunneling-current modulation. The tunneling sensor can operate in the temperature range 200-1300 K with a calibration accuracy of 10(-4)-10(-6) and has a lifetime stability of 10(-6)-10(-7) after initial calibration. This thermometer is simply constructed (sensor head, electronic module and computer interface) and can be built as a portable or remote-operated unit. It can be applied as a virtually drift-free portable temperature reference.

引用

页码：145 / 151

页数：7

共 28 条

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