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use a thermometer.We can feel how hot or cold something is. However, sometimes things are just too hot or cold for us to feel safely. At other times we need to know exactly how hot or cold something is. When we need to measure temperature correctly we need to use an instrument called a thermometer. This measures temperature in degrees Celsius [sometimes called centigrade] or degrees Fahrenheit. There are different types of thermometers for different situations. A medical thermometer, for example, needs to be very accurate. It measures in fractions of degrees. When we are ill, even tiny changes in temperature are important. Some thermometers use a liquid that moves up a very fine glass tube. Most room thermometers, and outdoor thermometers are like this. The liquid is either mercury [ which is poisonous] or coloured alcohol. As liquids get warmer they expand [get bigger], and move up the tube. Water expands too, but not as much as alcohol and mercury. Thermometers that might be used by small children are not made of glass. They use a digital display which lights up the temperature. Inside the displays are chemicals that change colour according to the temperature.
by the mercury in the thermometer
It is a change of 25 units.
No, it is not. A Celsius degree equals 1.8 Fahrenheit degrees.
20 degrees Celsius is 68 degrees Fahrenheit. 45 degrees Celsius is 113 degrees Fahrenheit. So 25 degrees change Celsius = 25 x 1.8 = 45 degrees Fahrenheit. 1 degree change in Celsius is equivalent to 1.8 degrees change in Fahrenheit. Scroll down to related links and look at "Conversion of Temperature Units".
(x-32)*5/9
For a Meijer K1-8120 from Bestmed. Turn on the thermometer... when display pops up, press the button again. The units should now be in Fahrenheit . Hope this helps.
Start with the thermometer in off mode. Hold the smiley face down and wait. The thermometer display will scans through multiple functions. The first display will be C*, you want to continue holding the smiley face until the display shows F*and then let go. This will change the setting from Celsius to Fahrenheit.
If thermo doesn't have both scales use chart below
Hold on/off button and reset simultaneously for 3 secs
With the unit in the off mode, depress the on/off switch and hold in until the "c" in the display switches to an "f." It will now measure in Fahrenheit.
Turn on the thermometer and continue holding down the on button for about 10-15 seconds until the "C" turns to an "F" then let go.
Electronic balance
Hold the take temp button for 10 to 15 seconds until you see the F for fahrenheit appear on the screen
Leave it off and then hold down start button until c flashes up on the display
While the thermometer is OFF press and hold for 5 seconds the "START" button, it will show the --- °C on the display, now press and release the "START" button one time and it will show --- °F. Let the display turn off and it should be on Fahrenheit when you turn the thermometer back on. Hope this helps some people out.
Hold the "on/Scan" button for 5 seconds while the thermometer is off. You will see a F when it has changed.