ZHOU Yan, LAI Jianjun, LI Yansheng, et al. Design of multi-channel temperature measurement system based on ADS1218Y with high precision[J]. 2020, 39(7): 76-78+82.
ZHOU Yan, LAI Jianjun, LI Yansheng, et al. Design of multi-channel temperature measurement system based on ADS1218Y with high precision[J]. 2020, 39(7): 76-78+82. DOI: 10.13873/J.1000-9787(2020)07-0076-03.
In order to meet the high-precision measurement demand for the temperature of blackbody radiating surface
a multi-channel temperature measurement system based on ADS1218Y is designed. The system consists of hardware circuits such as platinum resistance circuit
AD sampling circuit
analog electronic switching circuit and the measurement temperature software. The experimental results show that the circuit can realize temperature accurate measurement of multichannel
absolute error of measurement is less than 0. 01 ℃
which meets temperature measurement requirement of high precision of blackbody radiating surface.