Buy temperature timing problems should be paid attention to

The thermometer is closely related to our daily life, such as food thermometers and ordinary household thermometer, etc. Buy a thermometer, we usually focus on two problems, one is the thermometer have bad, 2 is the thermometer is accurate. Precision on whether this problem, we must be opened after use to know. The thermometer is have any bad is can see through the appearance. Today we share how to distinguish various thermometer have bad. Digital display thermometer, temperature or humidity value and a far cry from what the current temperature value released to the media, is broken. In general, the humidity value deviation will be very big, as long as the temperature is not tall, with the first. Glass rod thermometer ( Mercury, alcohol) , whether it's a thermometer of armpit or hang on the wall of the room temperature meter, your hands hold direction of cryogenic liquid at the bottom storage place, and then you will see the liquid in the slowly rising, until 37 ℃ or so, it's not bad. Additional mercury thermometer ( A place known as thermometer) Is sealed, as long as there is any breakage, will air intake, with mercury on their post fracture phenomenon. As long as the look and mercury thermometer is normal, is a good thermometer, can be at ease use. Buy a new method to identify as well. Buy a new thermometer, we also want to regular cleaning and calibration, so as to ensure the accuracy of measurement.