Title :
Test of the Dynamic Characteristics of Temperature Sensor Based on Modulated Laser Driving Method
Author :
Lishuang, Liu ; Hanchang, Zhou ; Xiaojian, Hao ; Hualing, Guo
Author_Institution :
Nat. Key Lab. of Sci. & Technol. on Electron. Test & Meas., North Univ. of China, Taiyuan, China
Abstract :
Dynamic characteristics are one of the important properties of temperature sensor; improving the dynamic characteristics of temperature sensor is the fundamental purpose of dynamic calibration. In this paper, the author has established a dynamic characteristics testing system based on an analysis on temperature-sensor calibration method, and proposed a new method for testing the dynamic characteristics of surface temperature sensor by using high-power high-frequency modulation CO2 laser as driving source. Test on the dynamic characteristics of Butt-Welded thermocouple (manufactured by OMEGA Company) shows that the response time of Butt-Welded thermocouple sensor is 41.6 ms, it is in consistent with the given response time. This proves that the high-power high-frequency modulation CO2 laser can be used as the heating source in testing the dynamic characteristics of transient surface high-temperature sensors.
Keywords :
calibration; driver circuits; gas lasers; temperature sensors; dynamic calibration; dynamic characteristics; high-power high-frequency modulation laser; modulated laser driving method; temperature sensor; time 41.6 ms; Calibration; Surface emitting lasers; Temperature; Temperature measurement; Temperature sensors; Testing; Time factors; CO2 laser; dynamic characteristics; high-frequency modulation; temperature sensor;
Conference_Titel :
Information Technology and Applications (IFITA), 2010 International Forum on
Conference_Location :
Kunming
Print_ISBN :
978-1-4244-7621-3
Electronic_ISBN :
978-1-4244-7622-0
DOI :
10.1109/IFITA.2010.191
