Teaching you diy repair glass rod thermometer instrument

Glass rod thermometer field widely used, the big to industrial equipment, small to the home of the thermometer, belong to a glass rod thermometer. When we use the normal usually do not have what problem, sometimes the thermometer for a period of time again take out to use, sometimes found broken fluid situation, we first reaction may be a thermometer is broken, in fact, not necessarily. Today let's say the problem. Due to long time not to use, glass rod inside the thermal liquid liquid will be broken, and we only need to use the method of simple repair, the commonly used method is divided into cold state and hot repairing method two kinds. A, cold repair method is: will the temperature of the thermometer package (in a mixture of dry ice and alcohol liquid Temperature more than 38 ℃ below zero) For cold, let all fracture of mercury in capillary recycling to the temperature measurement in the package. Second, hot fix method: put the side subsistence of the thermometer in the slightly higher than the measurement limit temperature of the liquid, let the part of the mercury column fracture reconnect, then slowly thermometer will take out, in the air cooling to normal temperature.