What is a thermometer?
Let's look at this article, what isthermometer? And for what it is used on the farm? It is a device that serves to measure temperature. On colloquial slang it is also called a thermometer. All of us, several times a year, especially in the winter season when colds come, suffer from a cold, sore throat, flu, or cough. The number of patients in medical institutions is especially increased in the autumn, when cold, torrential rains occur. The cold, of course, gradually flows into a cough, or sore throat. This is where the "wonderful" symptoms begin. Your head hurts, your whole body aches, a runny nose appears, throws it in the heat, then in the cold .... So what is a thermometer for? All right. In order to know the temperature of the body, and on this basis to drink certain medicines.
So, mercury is placed inside the thermometer, and if the body temperature is high, the scale mixes up.
What is the difference between an electronic thermometer and an ordinary thermometer? In the case of an electronic thermometer, materials change the resistance to electric current during the heating process.
Wet thermometer (psychrometer)
Let's see what the wet thermometer shows. Psychrometers, as a rule, are used to determine the degree of humidity of the air.
They are needed in different organizations. You can consider as an example a pharmacy. After all, to store medicinal products you need to know not only the temperature in the room, but also the humidity of the air. Otherwise, if the storage rules are not observed (humidity is higher than allowed), the drug will deteriorate. A wet thermometer is a plastic device. There are two scales on it, and a flask with water is attached behind it. At the tip of one of the thermometers is attached, one end of the fabric, and the other is lowered into a flask with water. In order to measure the temperature and humidity, it is necessary to record the readings from both thermometers and to find, on a special scale, the mean.
Infrared thermometer serves to measuretemperature, without requiring direct contact with the body. This can help measure the temperature, in water, food, in the air. To measure the temperature of the baby's body, you just need to apply the thermometer to the temple. It is convenient in that it shows the twenty-five previous measurements, and it turns off after the temperature has been set.
The safest, most accurate and fastest thermometer -electronic. With its help, you can measure the temperature not only under the muscular area, but also orally and rectally. And the measurement is enough to give only a couple of minutes, depending on the place where the measurement will be conducted. Since this thermometer does not contain mercury, you can not be afraid to use it to measure the temperature in very small and even infants. Now you know what the thermometer shows, and which thermometer is better and safer.