What is wireless outdoor thermometer? - Product News

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A wireless outdoor thermometer is an instrument used to measure outside air temperature. Wireless thermometers provide significant advantages when compared to classic thermometers, since classic thermometers contain dangerous mercury, have limited accuracy, and must be read while outside. A wireless outdoor thermometer measures and displays outside temperature in degrees Fahrenheit (F) or Celsius (C), on a digital display that is located indoors. Primary considerations when purchasing a wireless outdoor thermometer are ease of use and quality of the components. There are many different models available with a wide variety of features and capabilities, and these units are commercially available at a numerous retail locations.

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What is wireless outdoor thermometer?

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2017-07-18
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What is wireless outdoor thermometer?

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A wireless outdoor thermometer is an instrument used to measure outside air temperature. Wireless thermometers provide significant advantages when compared to classic thermometers, since classic thermometers contain dangerous mercury, have limited accuracy, and must be read while outside. A wireless outdoor thermometer measures and displays outside temperature in degrees Fahrenheit (F) or Celsius (C), on a digital display that is located indoors. Primary considerations when purchasing a wireless outdoor thermometer are ease of use and quality of the components. There are many different models available with a wide variety of features and capabilities, and these units are commercially available at a numerous retail locations.

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The two main parts of a wireless outdoor thermometer are the remote temperature sensor which is located outdoors, and the display and receiver unit, located indoors. The temperature sensor uses a component known as a thermoresistor, which experiences a change in electrical resistance as the outdoor temperature changes. An electronic circuit is used to measure the resistance and convert it into a temperature. The temperature data is transmitted wirelessly, using a radio frequency signal, between the sensor and receiver unit. The display unit, often a liquid crystal display (LCD) with backlighting for improved visibility, provides a digital reading of the outside temperature.

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A wireless outdoor thermometer for home applications is usually battery operated, with separate batteries required for the remote sensor and display unit. Typical battery life ranges between six months and one year, depending on the unit's features and power consumption requirements. The distance between the temperature sensor and display unit, known as thetransmission range, is normally a maximum of 100 feet (30.48m). Mounting the sensor unit in an outdoor location where it can be covered and protected may help to extend its usable life, and line-of-sight placement with the display unit will usually provide the strongest signal. More expensive units, like those that require higher measurement accuracy or are used in industrial applications, often have longer transmission ranges.

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A basic wireless outdoor thermometer for home use usually has a temperature measurement range of over 100° and can measure temperatures well below 0°F (about -18°C). More expensive models may have additional features, such as multiple display units, expanded temperature range, barometric pressure and relative humidity measurement, weather forecasting, and temperature history. Wireless units used in industrial applications usually have higher quality sensor and electronic components for improved accuracy, higher reliability, and more resistance to environmental factors.

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