How long is the probe? Can it easily reach in the center of a big roast or a loaf of bread?

From the description on the Amazon website page....the probe is 2.8" long. I find that more than adequate to reach the center of most any cut of meat I cook.

I want to brew green teas (160-200F water typically). Can anyone verify how quickly and accurately it works in this range? Thanks!

these thermometers will typically work up to about 400 F, so if you want to check the temperature of cooking oil for frying, you can do that. Thermapens do, double check the specs on this.

can you calibrate this thermometer

No, and ours is reading +110° after a couple of years.

It looks like a pocketknife. Does the probe go in and out like a pocketknife?

Yes just folds up like a pocket knife.

Javelin Classic | Desertcart Finland

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Description

🔥 Master your grill game in 3 seconds flat!

ALL WEATHER READY - IP65 splash-proof construction means grilling mastery rain or shine, indoors or outdoors.
INSTANT PRECISION - Get perfectly cooked meals with lightning-fast 3-4 second temperature reads that eliminate guesswork.
COMPACT MAGNETIC - Foldable design with integrated magnet for sleek storage and easy access—because your kitchen deserves smart tools.
PRO GRADE ACCURACY - Laboratory-calibrated ±0.5°F accuracy ensures your steaks and roasts hit the ideal temp every time.
MARATHON BATTERY LIFE - Over 4000 hours of use with auto-sleep mode—ready for every cookout, big or small.

The Lavatools Javelin is a top-rated, NSF-certified digital meat thermometer featuring a 2.75" probe and ultra-fast 3-second readout. With ±0.5°F accuracy, IP65 water resistance, a large easy-to-read display, and a compact foldable design with magnetic storage, it’s engineered for both professional chefs and passionate home cooks. Boasting a 4000+ hour battery life and trusted by major publications, it’s the ultimate tool to elevate your cooking precision and confidence.

Specifications

ASIN	B00GRFHXVQ
Additional Features	Fast Reading System, High Accuracy, Integrated Storage Magnet, Large Display, Splash Proof
Age Range (Description)	Adult
Age Range Description	Adult
Battery Life	4000 Hours
Best Sellers Rank	#2,996 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #20 in Meat Thermometers & Timers
Brand	Lavatools
Brand Name	Lavatools
Color	Sambal
Connectivity Technology	Bluetooth
Customer Reviews	4.7 out of 5 stars 20,918 Reviews
Display Type	Digital
Global Trade Identification Number	00849256000064
Immersion Depth	2.75 Inches
Included Components	Battery
Indoor Outdoor Usage	Indoor, Outdoor
Item Length	4.5 Inches
Item Weight	50 Grams
Manufacturer	Lavatools
Model	PT12
Model Name	Javelin
Number of Batteries	1 Lithium Metal batteries required. (included)
Outer Material	Plastic with painted/coated finish
Part Number	FBA_PT12-RD
Power Source	Battery Powered
Product Care Instructions	Do Not Expose to Direct Flame, Do Not Leave In Dishwasher, Do Not Leave In Oven, Do Not Soak, Hand Wash Only, Wipe Clean
Resolution	0.1
Response Time	3 seconds
Reusability	Reusable
Smart Home Compatibility	Not Smart Home Compatible
Special Feature	Fast Reading System, High Accuracy, Integrated Storage Magnet, Large Display, Splash Proof
Specification Met	NSF
Style Name	Contemporary
UPC	849256000064
Unit Count	1 Count
Upper Temperature Range	482 Degrees Fahrenheit
Warranty Description	3-year limited warranty. Visit manufacturer website.

Reviews

A**R

25.12.2025

T**Y

24.01.2026

J**N

10.02.2026

T**Y

29.11.2025

A**K

29.12.2025

S**S

28.01.2026

M**L

3.06.2016

M**N

13.12.2025

A**R

16.08.2023

K**P

27.01.2026

M**E

10.01.2023

B**D

18.12.2025

L**.

21.03.2025

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Javelin Classic

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