how accurate is the thermometer? I've used one of these types before in my breville and it gave the wrong temperature of the inside of the oven.

The only way to make sure a thermometer is accurate is to calibrate it. This is done by boiling water and using the thermometer to test the water. If the thing reads 121 degrees, it is accurate. If not, then it needs to be calibrated...that is, the dial needs to be rotated in relation to the dial so it reads 212 degrees. From what I see, most dial type oven thermometers are no longer manufactered with a small nut on the back to allow calibration. Find an old one at a yeard sale and you might be able to.

The description says this thermometer is over 6" tall. That sounds rather large, can anyone confirm?

The 6 inch measurement is for the display card it is attached to. This is typical for Amazon descriptions for items of this kind. As stated in other answers, the thermometer itself is 3.5 inches tall

I'm looking at the picture...why is 0c almost lined up with 30f, shouldn't it be 32f, which it has a perfect mark for?

I received two of the refrigerator thermometers on 3/12/22 and 32F is lined up precisely with 0C. Evidently it's been fixed.

Is there Mercury in this thermometer?

No. It has a steel spring inside.

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FGR80DC Stainless Steel Refrigerator/Freezer Monitoring Thermometer, -20 to 80 Degrees

FGR80DC Stainless Steel Refrigerator/Freezer Monitoring Thermometer, -20 to 80 Degrees

Product ID: 181573633

Details

Age Range (Description)
Adult
Brand
Rubbermaid
Colour
Chrome
Included Components
1 Thermometer
Special Feature
Fast Refresh

🔍Large, easy-read dial

🧊Wide temp range -20°F to 80°F

🛠️Durable stainless steel build

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VT9191

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Description

🧊 Keep it cool, keep it precise — the pro’s choice for flawless food safety!

BUILT TO LAST - Sleek stainless steel housing paired with a shatterproof lens delivers professional durability and style in any kitchen.
FLEXIBLE INSTALLATION - Hang it or stand it—designed for seamless placement wherever you need it most, blending convenience with function.
EFFORTLESS READABILITY - Large, crystal-clear dial with dual Fahrenheit and Celsius scales means no guessing—just quick, confident checks.
TRUSTED COMMERCIAL GRADE - NSF-approved and Rubbermaid Commercial quality means you’re investing in reliability that top chefs and managers trust.
PRECISION TEMPERATURE CONTROL - Monitor your fridge/freezer temps with pinpoint accuracy from -20°F to 80°F, ensuring food safety every time.

The Rubbermaid Commercial FGR80DC is a stainless steel analog thermometer designed for refrigerators and freezers, offering a wide temperature range from -20°F to 80°F. Featuring a large, easy-to-read dial with both Fahrenheit and Celsius scales, it ensures precise monitoring to maintain food safety. Its durable, shatterproof lens and versatile hanging or standing installation make it a reliable, professional-grade tool trusted in commercial kitchens.

Specifications

ASIN	B005KDEFNK
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#1,302,628 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #112 in Refrigerator Thermometers
Brand	Rubbermaid Commercial
Brand Name	Rubbermaid Commercial
Colour	Chrome
Country of Origin	USA
Customer Reviews	4.7 out of 5 stars 12,989 Reviews
Display Type	Dial
Global Trade Identification Number	00077177142901
Included Components	1 Thermometer
Indoor Outdoor Usage	Indoor
Item Length	3.75 Inches
Item Type Name	Analog Thermometer
Item Weight	0.1 Pounds
Lower Temperature Rating	20 Degrees Fahrenheit
Manufacturer	Rubbermaid Commercial Products
Model Name	Refrigerator/Freezer Thermometer
Model Number	FGR80DC
Outer Material	Stainless Steel
Outer Material Type	Stainless Steel
Part Number	FGR80DC
Power Source Type	Mechanical Thermometer
Product Care Instructions	Large display, Shatter proof lens
Resolution	1080p
Response Time	0.04 Milliseconds
Reusability	Reusable
Smart Home Compatibility	Not Smart Home Compatible
Special Feature	Fast Refresh
Special Features	Fast Refresh
Specification Met	NIST
Style Name	Refrigerator/Freezer/Cooler Thermometer
UPC	077177142901
Unit Count	1 Count
Upper Temperature Rating	30 Degrees Celsius

Reviews

J**P

22.02.2022

K**R

29.05.2020

D**H

4.01.2026

Y**4

9.11.2024

I**A

17.06.2024

D**N

1.01.2026

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