Quick Answer: What Are In Thermometers?

What is the red stuff in a thermometer?

Mercury is a silver-white to gray substance.

If your thermometer is filled with a red liquid, your thermometer contains red dyed alcohol or mineral spirits and not mercury.

These are safer alternatives to mercury fever thermometers..

What are the two main types of thermometers?

Types of thermometerDigital thermometers. Digital thermometers are quick to use, reasonably accurate and can be used under the armpit (always use the thermometer under the armpit with children under 5). … Ear (or tympanic) thermometers. … Infared thermometers. … Strip-type thermometers. … Mercury thermometers.

What are the six types of thermometer?

What are the different types of thermometer?Digital thermometers. Digital thermometers are regarded as the fastest and most accurate type of thermometer. … Electronic ear thermometers. … Forehead thermometers. … Plastic strip thermometers. … Pacifier thermometer. … Glass and mercury thermometers.

How do I know if my thermometer is correct?

Add a little clean water until the glass is full and stir. Wait for about three minutes before inserting the sensor on the thermometer into the ice-filled water. Wait for about thirty seconds and check that the thermometer reads 32°F. If it does, then it is accurate, but if not, it requires calibration.

Can I take my temperature with my phone?

Using Your Smartphone to Take Your Temperature It seems like it can do almost everything. … You can take your own temperature or someone else’s right from the iPhone using the Kinsa Smart Thermometer. The device simply connects to the iPhone headphone jack.

Which thermometer do doctors use?

1. iProven DMT-489. Many infrared thermometers measure temperature on the forehead or in the ear, but not both. The iProven DMT-489 is a dual-mode device that lets you switch between the two as needed, depending on what you or your kids prefer.

Is the stuff inside thermometers dangerous?

The small silvery ball in a mercury thermometer can be dangerous if the glass breaks and the mercury is not cleaned up properly. The mercury will evaporate and can contaminate the surrounding air and become toxic to humans and wildlife.

Can mercury in thermometer kill you?

In adults, mercury poisoning leads to tremors, headaches, blurred vision, memory or concentration loss, hand and feet numbness, poor coordination, hair loss and nausea. In extreme cases, mercury poisoning can lead to coma and death.

Can you still buy mercury thermometers?

While mercury thermometers can measure temperature within one degree Celsius, digital thermometers can be as accurate as 0.001 degrees C a difference of four orders of magnitude in accuracy. This changeover won’t be a big deal for the average person “In fact, you can’t buy [mercury thermometers] anymore,” Strouse said.

Are mercury thermometers illegal?

While many people probably have them in their medicine cabinets, or on their walls, the retail sale of mercury thermometers has been banned or restricted in at least 18 states, including Washington, with more such legislation pending, according to the Interstate Mercury Education and Reduction Clearinghouse.

What happens when mercury falls on gold?

Freddie Mercury may have had the golden voice, but real mercury, that endlessly entertaining and dangerous liquid metal, has the golden touch. That is, if it touches gold it will immediately break the lattice bonds of the precious metal and form an alloy in a process known as amalgamation.

What is thermometer and its types?

A thermometer is a device that is used to measure the temperature of a body. Common types of thermometers are Medical thermometers, Infrared thermometers, Mercury thermometers, thermocouple thermometers, laboratory thermometers, Bimetallic strip thermometers, Pyrometers, etc.

Which type of thermometer is best?

Here are the best thermometers: Best thermometer overall: iProven Forehead and Ear Thermometer. Best budget thermometer: Vicks ComfortFlex Digital Thermometer. Best ear thermometer: Braun ThermoScan 7 Digital Ear Thermometer. Best for children: Exergen Temporal Artery Thermometer.

What happens if I break a mercury thermometer?

A broken mercury-containing thermometer can be toxic if the vapors are inhaled. The risk of poisoning from touching or swallowing mercury from a broken thermometer is low if appropriate clean-up measures are taken.

What is the most accurate thermometer for home use?

Digital thermometersDigital thermometers are the most accurate way to take body temperature. There are many types, including oral, rectal, and forehead, plus many that are multifunctional. Once you decide on the type of thermometer you want, you can think about design, extra features, and price.

What is the best oral thermometer to buy?

Best Sellers in Oral Thermometers#1. … Vicks SpeedRead V912US Digital Thermometer, 1 Count (Pack of 1) … iProven Dt-R1221AWG Medical Thermometer, Oral & Rectal Thermometer with Fever Indicator. … Kinsa QuickCare Smart Thermometer for Fever – Digital Medical Baby, Kid and Adult Termometro…More items…

What is the best no touch thermometer?

Best Overall: iHealth No-Touch Forehead Thermometer. Credit: Amazon. … Best for Babies: Vava Smart Baby Thermometer. … Best for Kids: iProven Ear and Forehead Thermometer for Kids. … Best Forehead: Olangda Forehead Thermometer for Adults. … Best Digital: Bumapo Waterproof Digital Thermometer. … Best for Ovulation: Femometer Vinca.

What are the 3 types of thermometers?

Determine agreement between three different types of temperature-measuring instruments: the temporal artery scanner, the digital oral thermometer, and the infrared tympanic thermometer calibrated to an oral setting, in pediatric patients who are febrile and afebrile.

How do I know if my digital thermometer is working?

For digital thermometers: Test every six months or so (depending on frequency of use) to make sure the thermometer works properly, using either the ice water or boiling water method. Many digital thermometers have reset buttons. If the accuracy is off, adjust the thermometer to the proper temperature using this button.

Can I touch Mercury?

It’s never safe to touch mercury. Mercury is the only metal that is liquid at room temperature. … In its liquid metal form, mercury absorbs instantly into the skin; but it also has an extremely high vapor pressure, so an open container of mercury disperses the metal into the air.

What is the silver stuff in a thermometer?

If the liquid in your thermometer bulb is silver, then the liquid might be: mercury, or. a non-toxic compound that looks similar to mercury.