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.

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Javelin

Product ID: 6138450

Details

Age Range (Description)
Adult
Brand
Lavatools
Color
Sambal
Connectivity Technology
Bluetooth
Display Type
Digital
Included Components
Battery

💧IP65 water resistant splash-proof design

🔋4000+ hours battery life

⏱️3-second ultra-fast readout

NZ$148

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Description

🔥 Cook Like a Pro, Read in a Flash ⏱️

BUILT FOR REAL LIFE - IP65-rated water resistance and durable foldable design withstands kitchen chaos and outdoor grilling.
SPEED THAT KEEPS UP - Get instant temperature readings in just 3 seconds—because your time is valuable.
ENDURANCE THAT IMPRESSES - With 4000+ hours of battery life and auto-sleep, this thermometer is your long-term cooking companion.
PRECISION IN EVERY PROBE - Achieve chef-level accuracy with ±0.5°F calibration—never second-guess your cook.
SMART STORAGE ALWAYS READY - Integrated magnets let you stash it on your fridge or grill for quick access—no more lost tools.

The Lavatools Javelin® is a compact, NSF-certified digital meat thermometer featuring a 2.75-inch probe and a large 1.4-inch display. It delivers ultra-fast 3-second temperature readings with ±0.5°F accuracy, thanks to a high-performance Japanese sensor. Designed for both indoor and outdoor use, it boasts IP65 water resistance, integrated magnets for convenient storage, and an impressive 4000+ hour battery life, making it a trusted tool for professional chefs and home cooks alike.

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	#3,259 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #18 in Meat Thermometers & Timers
Brand	Lavatools
Brand Name	Lavatools
Color	Sambal
Connectivity Technology	Bluetooth
Customer Reviews	4.7 out of 5 stars 21,018 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 g
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
Special Feature	Fast Reading System, High Accuracy, Integrated Storage Magnet, Large Display, Splash Proof
Specification Met	NSF
Style Name	Red
UPC	849256000064
Unit Count	1 Count
Upper Temperature Range	482 °F
Warranty Description	3-year limited warranty. Visit manufacturer website.

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NZ$148

Duties & taxes included

In stock

Sold byAmazon Cook IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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