Digital Thermometer
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Digital Thermometers are the most commonly used temperature measuring instruments around the globe. They are easier to read than glass thermometers, generally more accurate than the older dial-type thermometers. Digital thermometers are better than mercury thermometers especially when they are used for infants to measure temperature because they can be hazardous when broken. Digital Thermometers are handy; they measure temperature by just one click. The display screen is so clear that there is no scope for any kind of mistake. There is very less chance of cross infection because Digital Thermometers make use of use-and-throw plastic filters.
A Resistance temperature detector (RTD) is basically a temperature sensitive resistor which is generally known as resistance thermometer. These thermometers can have more sophisticated functions such as logging data and higher data collection capabilities. The user interface consists of a digital front panel and a few buttons, if not one, that starts and stops a reading.
Thermocouples are accurate, highly sensitive to small temperature changes, and quickly respond to changes to the environment. In contrast to most other methods of temperature measurement, thermocouples are self-powered and involve no external form of excitation.
A Thermistor is a semiconductor device with an electrical resistance that is proportional to temperature. The word thermistor is a combination of words “thermal” and “resistor”. Thermistors are temperature sensitive resistors; they have great resistance at low temperatures.
Digital thermometers are better than Mercury thermometers because Mercury has many toxic effects in the body. If a thermometer is broken and not properly cleaned up, tiny droplets of mercury can evaporate over time. Breathing mercury vapors over a long period of time can damage the brain, spinal cord, kidneys and liver. Digital thermometer can measure your body temperature speedily, and can ensure accuracy for your and your family’s wellness in real-time monitoring. Digital thermometers are easy to use because they can be read easily. The LCD screen makes it easier to determine body’s temperature than old mercury glass thermometers, where one needs to look carefully and observe what exactly the temperature is. Digital thermometers have overpowered old glass thermometers in so many ways that the glass thermometers can never make a comeback in near future or for a long period of time. Mercury thermometers are banned in many countries for medical use because of their highly toxic nature. They were used earlier when there was no technological development, but as technology grew we came across thermometers which used digits to measure the temperature. Digital thermometers can record oral, auxiliary and rectal temperatures.