How do I use a glass thermometer?
- Take the thermometer out of its holder.
- Hold the thermometer by the end opposite the colored (red, blue, or silver) tip.
- Clean the thermometer with soap and warm water or rubbing alcohol. …
- Turn the thermometer in your hand until you see the red, blue, or silver line.
Hereof, are glass thermometers more accurate than digital?
Digital thermometers are safer to use
Mercury thermometers are most often made of glass, which is inserted into food to gauge the temperature. … Mercury is a toxic chemical, which if released could contaminate the body as well as surrounding areas, rendering it unsafe.
Moreover, how accurate is a glass thermometer?
The accuracy of a typical glass thermometer is ±1 scale division. These are available in partial immersion or total immersion types and typically have to be considerably longer to achieve the same specifications as a mercury thermometer.
How do I know if my thermometer is accurate?
The ice bath test is the easiest way to test a thermometer for accuracy, assuming your thermometer will display temperatures of 32°F or less. The advantage of this method is that an accurate thermometer will always read 32°F in a properly made ice bath regardless of altitude or atmospheric pressure.
How do you reset a glass thermometer?
Glass thermometers don’t always reset themselves after you take a temperature. Grab it at the end away from the tip and swing the thermometer back and forth. Check to make sure it goes down below at least 96.8 °F (36.0 °C); it needs to be under the average body temperature.
How long do you take temperature with a glass thermometer?
Press the child’s upper arm against his chest to keep the arm still and the thermometer in place. Digital thermometers may take longer than 30 seconds before beeping when using this method. Glass thermometers need to be held in place for 7 to 10 minutes.
How long should you use a mercury thermometer?
Is 37.5 a fever?
‘Fever’ simply describes a high body temperature and can often suggest an underlying infection. As a general rule, a temperature of over 37.5°C (99.5°F) in children or adults is classed as a fever.
Is 99.1 considered a fever?
A factor that needs to be considered is how you took your temperature. If you measured your temperature under your armpit, then 99°F or higher indicates a fever. Temperature measured rectally or in the ear is a fever at 100.4°F (38°C) or greater. An oral temperature of 100°F (37.8° C) or more is a fever.
Is 99.6 considered a fever?
Normal body temperature ranges from 97.5°F to 99.5°F (36.4°C to 37.4°C). It tends to be lower in the morning and higher in the evening. Most healthcare providers consider a fever to be 100.4°F (38°C) or higher. A person with a temperature of 99.6°F to 100.3°F has a low-grade fever.
Is mercury thermometer banned?
Since 2001, 20 states have banned mercury “fever thermometers” for medical use, and regulations tighten every year. … It’s a neurotoxin—exposure can cause tremors, partial blindness, deafness, memory loss, and many, many other problems—and, if mercury does spill, it’s very hard to clean up.
What do the short lines of a centigrade glass thermometer indicate?
Like the Fahrenheit temperature, each long line on a thermometer using the Celsius scale denotes a whole degree of temperature. On the Celsius scale; however, there are nine shorter marks between each pair of long marks. Each small mark shows an increase of one-tenth of a degree Celsius (0.1º C).
Why are glass thermometers rarely used today?
why are glass thermometers rarely used today? it contains mercury, which is a dangerous element. Threat of mercury spills and leak. … Then the thermometer can be rotated until the mercury column can be seen inside the glass rod.