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Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
  • Thermapen® ONE
Thermapen® ONE

Trusted by all Michelin-star chefs; essential for your best home-cooked meals.

SKU:THS-235-417

$115.00
Color: White
In stock
  • America's Test Kitchen - Winner
Test industrial description.
  • Verify Temperatures Without Slowing Service: ONE-second readings let you check doneness and safety instantly during peak operations.
  • Trust Measurements for Compliance: ±0.5°F accuracy, thermocouple technology, and a NIST-traceable calibration certificate supports HACCP programs and inspections.
  • Read It at Any Station: 180° rotating probe and 360° auto-rotating display provide clear readings at grills, fryers, ovens, and prep areas.
  • See Clearly in Any Kitchen Environment: Intelligent backlight activates automatically for low light, smoky, or outdoor cooking conditions.
  • Built for Demanding Use: IP67 rating handles splashes, quick rinses, and frequent cleaning.
  • Always Ready on the Line: Motion-sensing sleep/wake turns the thermometer on when picked up and off when set down to conserve battery.
  • Long-Term Reliability: Designed for years of consistent performance and backed by a 5-year warranty.

Already purchased a Thermapen® ONE?

History comes with quality

  • One-second readings with ±0.5°F accuracy help you pull a roast chicken before it dries out, serve medium-rare steaks, and check sourdough for a perfect rise.

  • A clear display, ambidextrous handling, and durable construction keep Thermapen ONE dependable through everyday use — so it’s ready whenever results matter most.

  • Thermapen ONE is made to work hard across your kitchen. Tackle Sunday roasts, summer grilling, baking, candy, and frying — all with one reliable tool.

As Seen On...

  • The ThermoWorks Thermapen® ONE is our favorite instant-read thermometer and has been for years. It's fast, accurate, and easy to use.

  • ThermoWorks thermometers won all of our top spots, with the Thermoworks Thermapen® ONE earning the title of best meat thermometer overall.

  • It's the choice of many professional chefs and it proved itself worthy in our testing.

  • The ThermoWorks Thermapen® ONE is our favorite instant-read thermometer and has been for years. It's fast, accurate and easy to use.

  • The most accurate and best instant-read thermometer on the market today is, hands down, the ThermoWorks Thermapen® ONE.

  • There's essentially zero lag time when you read the temperature, so you can shut the oven door or grill lid without letting more heat escape while you wait for the temperature to nudge up or down by a few degrees.

  • In our testing, the Thermapen® ONE was the fastest and most accurate instant-read thermometer.

  • The ThermoWorks Thermapen® ONE is pricey but worth the splurge for its lightning-fast readings, accuracy, and excellent battery life.

  • It's a bit of a splurge but worth it.

  • If you're serious about your cooking, then it's worth the price.

Don’t take our word for it. Here’s what others have to say.

Cook with Precision and Control

Fast readings, proven accuracy, and thoughtful features deliver the control and consistency professionals depend on.

  • One-Second Readings:

    Produces fast results so you can make confident decisions without slowing your cooking.

  • ±0.5°F Accuracy:

    Provides reliable measurements, verified by a NIST-traceable calibration certificate.

  • 360° Rotating Display:

    Automatically orients for clear readings in any hand, angle, or cooking position.

  • Automatic Backlight:

    Activates in low light to keep readings easy to see in changing conditions.

  • IP67 Rated Build:

    Waterproof and dustproof construction stands up to spills, humidity, and daily kitchen use.

  • Folding Probe Design:

    Tucks away to protect the sensor and store safely between cooks.

  • Long Battery Life:

    Runs on a single AAA battery for up to 2,000 hours of typical use.

  • Automatic Sleep-Wake Mode:

    Turns on when picked up and powers off when set down to conserve battery.

Explore the Thermapen One

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The Thermapen ONE is a professional-grade instrument that guarantees true accuracy to ±0.5°F, unlike budget models that merely offer high display resolution but drift under extreme temperatures. Every unit includes a NIST-traceable Calibration Certificate from our A2LA-accredited calibration lab. Built with smarter materials for legendary durability, it represents a long-term investment in uncompromising, lab-quality precision that you can trust for years.
The Thermapen ONE utilizes a proprietary, reduced-mass thermocouple sensor paired with advanced microprocessor circuitry to deliver full-accuracy readings in one second or less. Verified in our A2LA-accredited calibration lab, this professional-grade engineering eliminates the latency of consumer thermistors. Every unit guarantees NIST-traceable precision (±0.5°F / ±0.3°C) at the exact moment of impact, providing lab-grade speed without compromising scientific accuracy.
Yes. Engineered for the harshest culinary environments, the Thermapen ONE features a shock-resistant, IP67 waterproof housing molded with Biomaster antimicrobial technology. Validated by professional chefs and pitmasters, this is an uncompromising tool built for longevity, not a disposable gadget. Its intelligent internal seals protect circuitry from steam, grease, and accidental submersion, ensuring rigorous, long-term performance when equipment downtime is not an option.
The Thermapen ONE is a professional-grade scientific instrument, not a disposable gadget. Engineered with smarter materials and stronger structures, it prevents the hidden costs of replacing cheap tools and overcooking expensive meat. Each IP67-waterproof unit includes a NIST-traceable certificate from our A2LA-accredited calibration lab, guaranteeing ±0.5°F, one-second accuracy and uncompromising durability backed by a 5-year warranty.

Recipes

Steak Temperature Guide: How to Nail Perfect Doneness Every Time
Beef

Steak Temperature Guide: How to Nail Perfect Doneness Every Time
Few things taste better than a perfectly cooked steak. That sizzling sear, the savory crust,... Read Now
Juicy Chicken Guide: Food-Safe Temperatures
Poultry

Juicy Chicken Guide: Food-Safe Temperatures
Knowing the proper doneness temperatures when cooking chicken will ensure juicy results. But what if... Read Now
How to Make Peach Cobbler: From Filling to Doneness
Dessert

How to Make Peach Cobbler: From Filling to Doneness
Peach cobbler is an iconic late summer/early fall dish that brings delight to any meal.... Read Now

Accessories

Thermapen® ONE Silicone Boot, Magnetic Glow-in-the-Dark

Thermapen® ONE Silicone Boot, Magnetic Glow-in-the-Dark

Snugly fitting silicone rubber boot. Protects Thermapen ONE from drops to concrete or hard surfaces. Provides protection from radiant heat. Fits Zipper Wallet, Leather Wallet and wall bracket. Use only for Thermapen ONE. Does not fit older models. The silicone boot is translucent. Silicone is not clear nor transparent and so when the protective boot is installed the color of your Thermapen ONE will seem muted.

Thermapen not included

$16.00
Thermapen Wall Bracket

Thermapen Wall Bracket

Stainless steel wall bracket with mounting holes (screws not included) for Thermapens. Great for storing Thermapen in convenient locations for easy access and daily use. Fits Classic Thermapen, Thermapen ONE, and Thermapen IR with silicone boot installed (rear-facing) as well as all models of Thermapens without boots installed.  

$22.00
Leather Wallet for Thermapen, WAND, and More

Leather Wallet for Thermapen, WAND, and More

Real leather for strength and durability. Fits all Thermapen models (with or without silicone boot). Fits WAND and WAND Blue. Holds instruments snugly with snap-down flap and belt strap. Extend the life of your ThermoWorks products by protecting them while you store them.

$22.00
Protective Zip Wallet

Protective Zip Wallet

Padded vinyl pouch with zip closure. Stores Thermapen (with or without silicone boot). Also fits WAND and WAND Blue. Light interior padding and carrying loop help protect your investment. Great value!

$13.00
Small Zippered Storage Case

Small Zippered Storage Case

Zippered storage case for ChefAlarm, DOT, and other small handheld meters!

As sold with ChefAlarm; fits numerous thermometers, timers, pH meters and probes.  

Dimensions:  8" x  3.5" x 1.5"

$15.00
Wall Mount Bracket

Wall Mount Bracket

Black acrylic wall bracket with wall-mount hole (screw not included). Great for storing Thermapen by grill/oven for daily use. Fits Thermapen with or without silicone boot installed.

$15.00
Thermapen Magnetic Band and Lanyard

Thermapen Magnetic Band and Lanyard

Keep your Thermapen ONE safe and within reach. This low-profile magnetic silicone band and detachable lanyard secures your Thermapen ONE to any metal surface or around your neck — ensuring it’s always handy when you need it most.

Thermapen not included

$9.99
Duracell Procell AAA Battery, 4-pack

Duracell Procell AAA Battery, 4-pack

Duracell Procell AAA Alkaline Battery (4-pack)

$5.25
$115.00