Sensors and AccuracyUpdated 4 days ago

What is actually inside

Each Predictive Thermometer carries eight sensors along its length: precision high-temperature thermistors and IC temperature sensors.

They are not all built for the same job:

• Sensors in the tip, which sit inside your food, measure to within 0.2°C
• Sensors toward the handle, built to withstand far higher heat, measure to within 1°C

That split is deliberate. The tip needs precision because it decides when your food is done. The handle end needs heat tolerance because it is the part sitting in the fire.

How accurate is that, really?

Our sensors are zero-calibration parts originally designed for medical-class devices. The vendor guarantees no worse than ±0.2°C between -10°C and 65°C, and ±0.3°C above 65°C. In practice, they perform better than that.

You do not have to take our word for it. Independent testers and reviewers, Amazing Ribs among them, have verified our accuracy claims. We also check against a calibrated thermowell on the assembly line.

As one customer put it, the accuracy far exceeds what cooking requires.

Do I need to calibrate it?

No. The sensors are zero-calibration by design, and there is no calibration step for you to perform.

If you want to satisfy yourself, there is a simple ice water check you can do at home. See Do I need to calibrate my Predictive Thermometer?

The bigger accuracy problem is placement, not sensors

This is the part most people miss. With any thermometer, the largest source of error is not the sensor; it is where the sensor ended up.

Miss the centre of the food by a quarter of an inch and a single-sensor probe will confidently report the wrong temperature. That is not a calibration problem, and no amount of accuracy fixes it.

Eight sensors spread along the length is our answer. Combined with automatic TrueCore detection, the thermometer finds the lowest internal temperature for you, even if your placement was not perfect. There is always a sensor where you need one, which is why we suggest pushing the tip slightly past where you think the centre is.

How the prediction uses all this

The same sensor array is what makes the prediction possible.

Our predictive engine compares readings from along the whole length of the thermometer, tracks how the heat is moving through your food, and calculates when it will reach the temperature you asked for. That is the number you see counting down in the app or on the Display.

It does not need to know what you are cooking. Prime rib, baked swordfish, a thick steak, or a whole bird- different sizes, densities, and target temperatures- all of it comes out of the same measurements. You never have to guess.

For what the individual readings mean during a cook, see Reading Your Cook: Temperatures, Sensors, and Graphs.

Still have a question?

If a reading looks wrong to you, email [email protected] with a screenshot, what you were cooking, and where the thermometer was inserted.

Understanding Your Temperature Readings: Normal vs. a Problem covers the difference between a surprising reading and a faulty one.

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