Digital thermometers come in various types for different uses such as body, air, and food temperature control. They work using a resistance thermometer that changes resistance based on temperature and display the readings on an easy-to-read layout. They are affordable and programmable, making them popular for home use. Infrared technology is also used for accurate temperature measurement. Prices vary depending on usage and technology.
There are many different types of digital thermometers, depending on the use and situation. The most common types include those used to control body temperature, air temperature and food temperature. These thermometers, while relatively recent inventions, are still very affordable.
Digital thermometers work using a temperature sensor called a resistance thermometer. This device changes resistance based on temperature. Sensors, usually some type of circuit board or very low-power computer, take this information and interpret it into a temperature. Digital thermometers then display this on an easy-to-read layout.
The most common type of digital thermometer in the home is probably the one associated with the thermostat. While a thermostat may be your traditional dial thermometer, many choose to use digital thermometers not only because of the easy-to-read layout but also because they are programmable. However, in many cases, the temperature sending properties work the same way.
This is also true for an outdoor thermometer that outputs temperatures to a digital readout. Wireless digital thermometers have more technology, simply because they transmit data from one location to another, usually over a relatively short distance of 100 feet (35 meters) or less. In some cases, these may have two readings, one on the sensor and one on a receiver within the home. This makes it convenient for those who see the temperature wherever they are.
Digital thermometers are also popular tools for taking body temperature. Traditional body temperature thermometers are notoriously difficult to read, especially for those with low vision. The digital thermometer also makes this task much easier by providing a well contrasted reading. This helps eliminate some guesswork about what the temperature is. Popular digital thermometers for this purpose include those used in the mouth and those used in the ear.
Digital thermometers sometimes use infrared technology to provide an accurate temperature measurement. An infrared technology is a specialized device that many people may not be very handy with. Measures the radiation emitted by an object. It can be useful, for example, for firefighters trying to find the source of a fire. For anglers who want to know the water temperature to plan their fishing activities, these devices can be very useful.
Typically, the price of digital thermometers depends on their usage and the amount of technology used. A simple body temperature thermometer can be purchased for less than $10 US Dollars (USD). Others can cost much more. First, determine what the use will be, then look for the best deals, remembering that overall quality, not just the digital label, is still hugely important.
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