A smart thermal environment monitor based on IEEE 1451.2 standard for global networking

被引：22
|
作者：
Wang, YF [1 ]
Nishikawa, M
Maeda, R
Fukunaga, M
Watanabe, K
机构：
[1] Shizuoka Univ, Res Inst Elect, Hamamatsu, Shizuoka 4328011, Japan
[2] Matsushita Elect Ind Co Ltd, Syst Dev Promot Dept, Kadoma, Osaka 5718686, Japan
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2005年 / 54卷 / 03期
关键词：
energy saving; environment; measurement; networking; relative humidity; smart interface; temperature;
D O I：
10.1109/TIM.2004.839767
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 temperature and relative humidity (RH) monitor using a thermistor and a polyimide-film RH Sensor is developed for global assessment of thermal environments. The smart transducer interface module includes the relaxation oscillators for signal conditioning and a one-chip 16-bit microcomputer for networking. The microcomputer accommodates the calibration tables as well as the mandatory transducer electronic data sheets specified by the IEEE 1451.2 standard. The online calibration using the calibration table and the ratiometric signal conditioning allow +/- 0.1.4 degrees C accuracy over the temperature range from -20 degrees C to 50 degrees C and 2.5 % RH accuracy over the RH range from 20 %RH to 90 %RH. Beside these high-accuracy measurements using low-cost sensors, the monitor features an adaptive architecture for global networking.
引用
收藏
页码：1321 / 1326
页数：6
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