Disposable Temperature Indicator
· Reads in 5-10 seconds.
How to Choose
· Designed to be used
· Designed for specific
Should only be used
and Use One
with food for which
it is intended.
material changes color
when the desired The Thermy™ Campaign
temperature is reached. Food Safety and Inspection Service
United States Department of Agriculture
For more information on food safety, please visit
Pop-Up the MDH Web site at www.health.state.mn.us.
· Commonly used in
turkeys and roasting
· You will still need to
check the temperature
in other parts of the Consumer Food Safety Education
food with a second Nutrition and Physical Activity Unit
food thermometer. (651) 281-9853
Checking for Accuracy This material may be reprinted without
permission. Upon request, this material will be
made available in another format, such as large
There are two ways to check the accuracy of print, Braille or cassette tape. Please call (651)
your food thermometer. You can place the 281-9853 or TTY (651) 215-8980.
probe in over 2 inches of ice water. After Consumer Food Safety Education
a minute, a thermometer that is working April 2002 IC# 141-1192 Nutrition and Physical Activity Unit
properly should read 32°F. Or, you can place (651) 281-9853
the probe in over 2 inches of boiling water. Printed on recycled paper. www.health.state.mn.us
After a minute, the thermometer should read
Using a Food Thermometer Dial Food Thermometers
Using a food thermometer is the only sure Oven Cord
Dial food thermometers are the ones we
way of knowing if your food has reached a
· Base unit sits on often think of when we think of food
high enough temperature to destroy foodborne
bacteria. Place the thermometer in the middle stovetop or counter. thermometers. However, it is harder to get
of the thickest part of the food, away from · The probe is a correct reading from a dial thermometer.
bone, fat or gristle. Then you are measuring the designed to remain Dial thermometers take awhile to measure
temperature of the part of the food that will be in the food while it is the temperature of the food you are cooking.
slowest to cook. With irregularly shaped food, cooking in the oven Also, they measure the average temperature
such as a whole chicken or a beef roast, check or in a covered pot. along 21⁄2 inches of the probe, so are not
the temperature in several places. Clean your useful for thin foods.
thermometer with soap and water between each
Please read the instructions that come with your
thermometer to learn how it is best used. Fork Dial Oven-Safe (Bimetal)
Choosing a Food Thermometer · Convenient for grilling.
· Reads in 1-2 minutes.
· Can be used in roasts,
· Reads in 2-10 seconds. casseroles and soups.
There are many types of food thermometers.
· Not designed to remain Can remain in food
Here are the different types, and their strengths
and weaknesses. in food while food is while food is cooking.
cooking. Heat conduction of the
Digital Thermometers metal steam can
cause false high reading.
The best thermometers to use for most food
are digital thermometers. They are able to
measure the temperature of the food quickly.
The temperature of the food is taken by the tip
of the thermometer’s probe, so they can measure
thin and thick foods. There are four types of
digital thermometers: Dial Instant-Read (Bimetal)
· Gives fastest
· Not designed to · Reads in 15-20
Digital Instant-Read (Thermistor) remain in food seconds.
while food is · Can be used in roasts,
· Reads in 10 seconds. cooking. casseroles and soups.
· Not designed to · More costly; used · Not designed to
remain in food by food safety remain in food while
while food is cooking. professionals but food is cooking.
may be difficult to
find in stores.