Thermometer is the "Chinese people *** and the State mandatory calibration of the work of measuring instruments catalog" listed in the product, belongs to the mandatory calibration of measuring instruments. Thermometers are measured and calibrated, their measurements are accurate and reliable, so that they can accurately "screen" suspected fever. Used for temperature detection thermometer is not calibrated, suspected of violating the "People's Republic of China *** and State Metrology Law," Article IX "for trade settlement, safety and security, medical and health care, environmental monitoring included in the mandatory calibration of the catalog of measuring instruments, the implementation of mandatory calibration. Not in accordance with the provisions of the application for verification or unqualified verification, shall not be used." The provisions of the.