The indoor temperature measurement instrument, how to correctly

According to the experience of the instrument, in front of the indoor temperature measurement, residents need to close the doors and Windows to keep ahead of more than 24 hours. Measuring instruments, respectively, for the digital thermometer, mercury thermometer, temperature detector circuit. In order to ensure the measurement precision, science, the measuring instrument must be inspection every year, after a statutory metrological verification institutions for verification before use. In the process of measurement, measurement professionals first place measuring instrument in determining the measuring position. How do you determine the measurement location includes three contents: first, measuring the area of the room is not more than 16 ㎡ measuring position, should choose housing center of the diagonal and according to the ground is high ( 1. 2 - 1. 5) M as the temperature measurement point. Second, measuring room area is greater than 16 ㎡ two but no more than 30 ㎡ measured location, should choose a diagonal line of the building trisection, its two point and high above the ground (such as 1. 2 - 1. 5) M as the temperature measurement point. Third, the room area of more than 30 ㎡ measurement at a location, five houses within the external wall surface should choose distance not less than 1. 5 m, from interior wall surface not less than 1. 0 m place and center of diagonal and upper part (from ground 1. 2 - 1. 5) M as the temperature measurement point. Room of points cannot meet the requirements of the above, should according to the actual situation room uniform set of points. When indoor temperature measurement, due to the early, middle and party there is a big difference in temperature, so the general recommendation for measuring three times. Measured professional introduction, instrument believe that everyone have a new understanding about how to standard measure indoor temperature.