Non-mercury thermometers have scale divisions equal to mercury thermometers. Most range from 0.5° to 1° C. Accuracy limits for non-mercury thermometers below 150° C are also compatible with mercury thermometers; accuracy is typically ± 1° – 2° C.
In this manner, are mercury thermometers more accurate than digital?
Both laboratory and clinical studies show that there is no significant difference in the average accuracy of the two types of thermometers, however there is a greater fluctuation of readings of temperature when using electronic thermometers.
Subsequently, are there mercury free thermometers?
There are liquid-in-glass thermometers that contain a non-mercury silver substance Galinstan®. Galinstan liquid consists of tin, indium, and gallium. … If the thermometer has silver liquid and is not labeled as “mercury-free,” assume it contains mercury.
Can you suggest alternatives to mercury thermometers?
(c) Other alternatives to mercury thermometers are Digital thermometers and Spirit thermometers.
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 a mercury thermometer the most accurate?
Friend: Of course, a mercury thermometer is more accurate. Hospitals use mercury ones. … When used correctly, the digital thermometer is accurate enough to meet daily needs and safer than the mercury thermometer.
What is the most accurate thermometer for home use?
The best thermometers you can buy
- iProven DMT-489. Best thermometer overall. …
- Innovo Forehead and Ear. Another top dual-mode thermometer. …
- Vicks ComfortFlex. Best thermometer for infants. …
- Chooseen Digital Forehead and Ear Thermometer. …
- Kinsa Smart Ear Thermometer. …
- Kinsa QuickCare. …
- Elepho eTherm. …
- Braun ThermoScan 7.
What should your temperature be under your tongue?
What states have banned mercury thermometers?
As a result, a number of states have banned or limited the sale of mercury thermometers, including California, Oregon, Rhode Island, Maine, Maryland, Indiana, Minnesota, and New Hampshire.
When did they stop making mercury thermometers?
Those days have passed. Since 2001, 20 states have banned mercury “fever thermometers” for medical use, and regulations tighten every year. Many pharmacies now carry only sterile digital replacements or the less accurate ones with red glop in the bulb.
Which thermometer does not contain mercury?
Answer: Digital Thermometer are available which do not use mercury.
Which thermometer is best digital or mercury?
1. Digital thermometers provide faster results. Digital thermometers provide fast results as opposed to mercury thermometers whose readings are slower to realize because you have to wait for the mercury to heat and then slowly rise to display the temperature.
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.