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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Rubbermaid Commercial Products Thermometer, Classic Large Mechanical Dial, Chrome, Extreme Temperature Range for Use in Refrigerator/Freezer/Cooler/Fridge

Rubbermaid Commercial Products Thermometer, Classic Large Mechanical Dial, Chrome, Extreme Temperature Range for Use in Refrigerator/Freezer/Cooler/Fridge

Product ID: 1937334

Details

Age Range (Description)
Adult
Brand
Rubbermaid
Color
Chrome
Display Type
Dial
Included Components
1 Thermometer
Outer Material
Stainless

🔋Battery-free mechanical design

🌡️Wide temp range 20°-80°F / -30°-30°C

🛡️NSF certified for food safety

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Details

Age Range (Description)
Adult
Brand
Rubbermaid
Color
Chrome

Description

🌟 Keep it cool, keep it safe — the pro’s choice for flawless food storage!

BUILT TO LAST - Durable stainless steel body with shatterproof lens ensures longevity in busy kitchens.
ECO FRIENDLY RELIABLE - Mechanical dial means zero batteries, zero hassle, 100% dependable.
EFFORTLESS INSTALLATION - Hang or stand it anywhere for quick setup and easy monitoring.
INSTANT ACCURATE READINGS - Get real-time temperature updates to guarantee food safety without delay.
VERSATILE KITCHEN ESSENTIAL - Perfectly fits refrigerators, freezers, coolers, and mini-fridges in any setting.

The Rubbermaid Commercial Classic Large Mechanical Dial Thermometer offers a precise, instant temperature readout across an extreme range of 20° to 80°F (-30° to 30°C). NSF-certified and crafted from durable stainless steel with a shatterproof lens, it’s designed for professional and home kitchens alike. Battery-free and easy to install, this thermometer ensures safe food storage in refrigerators, freezers, and coolers with trusted reliability.

Specifications

ASIN	B005KDEFNK
Additional Features	Fast Refresh
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#1,012 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #7 in Refrigerator Thermometers
Brand	Rubbermaid Commercial Products
Brand Name	Rubbermaid Commercial Products
Color	Chrome
Customer Reviews	4.7 out of 5 stars 13,525 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	1.6 ounces
LowerTemperature Range	20 Degrees Fahrenheit
Manufacturer	Rubbermaid Commercial Products
Model	FGR80DC
Model Name	Refrigerator/Freezer Thermometer
Outer Material	Stainless Steel
Part Number	FGR80DC
Power Source	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
Specification Met	NSF
Style Name	Refrigerator/Freezer/Cooler Thermometer
UPC	077177142901
Unit Count	1 Count
Upper Temperature Range	80 Degrees Fahrenheit

Reviews

D**N

1.01.2026

E**S

7.04.2026

D**S

18.03.2026

D**D

25.09.2025

Z**R

20.04.2026

V**A

17.04.2026

C**Y

15.04.2026

Y**?

8.03.2017

K**R

29.05.2020

J**P

22.02.2022

D**H

4.01.2026

Y**4

9.11.2024

I**A

17.06.2024

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534091₫

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

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