A thermometer is an indispensable tool used to determine and measure temperature with precision, a fundamental process in various fields, including science, medicine, industry, and everyday life.
Temperature plays a critical role in countless processes, from human health to the stability of complex chemical reactions.
By using a thermometer, we can ensure these processes occur within the desired temperature range.
Beyond healthcare and research, thermometers are pivotal in industries like food safety, chemical processing, and environmental monitoring. In food production, for instance, maintaining the right temperature during cooking, cooling, or storage is critical for preventing contamination and ensuring product quality. Thermometers used in these settings are often designed to withstand extreme temperatures and are equipped with features like waterproofing for easy cleaning.
Thermometer Types
1. Digital Thermometer
A digital thermometer is made of plastic and typically has a long, thin shape similar to a pencil. It generally uses an electronic heat sensor to measure body temperature, either through the mouth, underarm, or rectally.
Digital thermometers used for temperature measurements usually have a shorter, blunt tip, making them safer and easier to insert. There are many brands of digital thermometers available for purchase, allowing you to choose one that fits your specific needs.
2. Ear Digital Thermometer
An ear digital thermometer, also known as a tympanic thermometer, uses infrared light to measure the temperature inside the ear canal, specifically at the eardrum (tympanic membrane). To use this type of thermometer, you simply point the infrared sensor at the ear canal. However, it's essential to ensure the ear is clean, as earwax can obstruct the sensor, potentially leading to inaccurate readings.
Digital Pacifier Thermometer
A digital pacifier thermometer is designed to resemble a pacifier, making it ideal for infants still using a pacifier. The usage is simple; the child only needs to the pacifier thermometer for about 3 minutes to get an accurate body temperature reading.
4. Forehead Thermometer
This thermometer uses infrared technology to measure temperature at the forehead and temporal artery near the temples. While it provides quick results, it is not as accurate as digital thermometers. This is because factors like sunlight, cold temperatures, or sweat can interfere with temperature readings. Additionally, forehead thermometers tend to be more expensive compared to other types of thermometers.
5. Mercury Thermometer
Mercury thermometers are among the most commonly encountered types. They consist of a glass tube containing liquid mercury, which rises in the tube when exposed to heat from the body, indicating the temperature. Although affordable, mercury thermometers are no longer recommended for use due to the risk of breaking. Moreover, mercury is a toxic substance that evaporates quickly and can be inhaled, increasing the risk of poisoning.
How to Measure Body Temperature with a Thermometer
Normal body temperature ranges from 36.5 to 37°C. To get an accurate reading, it’s important to follow these guidelines when using a thermometer:
- Do not use the thermometer immediately after eating, drinking hot or cold beverages, or smoking. Wait about 20–30 minutes to ensure more accurate results.
- Avoid measuring body temperature right after exercise or taking a hot shower. Wait for about 1 hour.
- If using thermometer, place it under the tongue and close the mouth tightly.
- Leave the thermometer in place for a few moments until the alarm sounds, signaling that the measurement is complete, or until the mercury stops moving at a fixed temperature after about 2 minutes.
- Always clean the thermometer with water and soap before and after each use to ensure it is sanitary before storing.
If your body temperature exceeds 38°C or falls below 35°C, it’s recommended to consult a doctor. The doctor will conduct an examination and provide the appropriate treatment based on your condition.
Summary
Lykkers, it’s important to remember that while a thermometer is a simple tool, knowing the right one to use for specific situations and taking the proper steps for accurate readings can make a big difference. Be sure to follow instructions carefully, whether it's avoiding measurements after meals or giving the thermometer time to take its reading. This will ensure the best possible results.
Stay safe, healthy, and make sure to keep that thermometer clean and ready to go. Wishing everyone accurate readings and a wonderful day ahead!
How to Take a Temperature: Under Arm, Oral, Ear, Rectum, Skin, Temporal
Video by RegisteredNurseRN
