We tested the ThermoWorks Thermapen Nano across dozens of cooks. With 0.4-second readings, IP67 waterproofing, an auto-rotating display, and built-in magnets, it is the ultimate barbecue thermometer.
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What We ThinkAt SimplyGrilling.com, we use Thermapens in every cook. Whether we are searing prime ribeyes over screaming-hot lump charcoal, monitoring a 16-hour brisket on an offset smoker, or checking internal temps on delicate poultry, a reliable thermometer is non-negotiable. In fact, we keep several Thermapens stationed throughout our outdoor kitchen prep area so one is always within reach. When ThermoWorks introduced the Thermapen Nano, claiming to be the fastest Thermapen ever made, we immediately put it through rigorous pit testing to see if it lives up to the hype.
The standout feature of the Thermapen Nano is its mind-boggling speed: full temperature readings in just 0.4 seconds. Traditional instant-read probes take 2 to 3 seconds to stabilize, leaving your hand hovering over open flames or letting valuable heat escape from your smoker hood. During hot-and-fast searing tests on thick-cut pork chops at 600°F, the Nano delivered stable, dead-accurate readings before our fingers could even register radiant grate heat. It is undeniably, extraordinarily fast.
Visibility is vital when cooking in blinding direct afternoon sunlight or during late-night brisket checks under dark skies. The Thermapen Nano boasts a 300% brighter display that remains ultra-crisp from any angle. Furthermore, the built-in accelerometer automatically rotates the screen depending on how you hold the device. Left-handed pitmasters or cooks reaching deep into low-clearance smokers won’t ever have to read numbers upside down again.
Storage convenience receives a massive upgrade with integrated magnets built right into the body. The Nano snaps firmly onto pellet grill hoppers, stainless steel cart shelves, and prep tables. Having it stick right to the cooker ensures your primary thermometer never gets lost amidst barbecue tools and sheet pans. On the durability front, the unit features an IP67 waterproof rating. We repeatedly covered it in grease and marinades, washed it directly under running kitchen faucets, and left it out in damp morning dew without a single issue.
The ThermoWorks Thermapen Nano takes everything we love about high-end temperature probes and packs it into a sleek, indestructible, lightning-fast design. The incredible 0.4-second response time, bright auto-rotating screen, heavy-duty waterproofing, and magnetic mounting make it an essential tool for any pitmaster serious about perfection on the grill.
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