You may want to think about whether you want a digital or analog freezer thermometer when shopping for the best of this type of product. You may also want a freezer thermometer that has an alarm or that is wireless. The best thermometer is one that will work for your freezer temperature needs.
Analog freezer thermometers are still used often and do not require any batteries or other electric source to run. There are two types of analog thermometers. One is filled with a colored liquid that is usually an alcohol solution. As the temperature rises, the colored liquid will rise to display to correct temperature.
Another analog freezer thermometer is the bi-metallic coil thermometer. It uses a coil made out of two different metals that are bonded. The bi-metal coil is pointed at one end and will move as the temperature increases. Either analog freezer thermometer can be placed inside the freezer.
There are many styles of digital thermometers. A digital freezer thermometer displays the temperature using a liquid crystal display (LCD) screen. The LCD screen will show the temperature in Fahrenheit or Celsius degrees.
Many digital thermometers come with a temperature probe on the end of a long wire that is connected to the LCD screen. The probe is put in the freezer for an accurate temperature reading. This kind of freezer thermometer can be best for people that have a refrigerator with a top-shelf freezer inside. Some of these come with two probes to get a separate temperature for the refrigerator and the freezer.
If you want to keep your freezer at a specific temperature, it may be good to get a digital thermometer with an alarm. The alarm can be set for a minimum and maximum temperature and will sound if those temperatures go below or above your settings. Many of these thermometers also offer a feature that gives you the weekly average temperature for your freezer.
A wireless freezer thermometer comes with a temperature remote sensor. The sensor is placed in the freezer, and you can read the freezer temperature from the wireless LCD screen. Some wireless thermometers come with two sensors in case you have two freezers, or one can be put in the refrigerator. The LCD screen can be placed anywhere in the kitchen.
The price for freezer thermometers varies depending upon the kind of thermometer and its features. Analog thermometers are the most inexpensive. They generally last a long time and do not require much maintenance.
Digital thermometers can be expensive especially when they have the newest technology. Wireless digital thermometers are the most expensive, but can be very handy. All digital options require batteries which adds an extra cost.