| abstract |
The utility model relates to a kind of Portable psychology pressure detecting instruments, including shell and the saliva collecting device being arranged in the shell, image collecting device, image procossing and control device and battery module, colour developing test strips are equipped in saliva collecting device, for detecting the concentration of cortisol in human saliva.The utility model accurately detects the concentration of cortisol in human saliva using the chromogenic reaction and image processing techniques of test paper, and using the quantitative relationship of concentration of cortisol and psychological pressure, detects the psychological pressure of measurand, convenient and efficient. |