Hands on Review: ThermoWorks ProNeedle Thermometer!
This review is by Homebrew Finds Contributor Brad Probert. Brad is an engineer, expert homebrewer and experienced reviewer. Grab a link to Brad’s website at the end of this review.
Thermoworks ProNeedle
Beer brewing combines your artsy side (recipe creation) with your nerdy side (brewing process discipline). One thing your nerdy side can’t be without is temperature data. Whether it’s mash temperature or fermentation temperature, a few degrees difference can change your results. And to get repeatable results, you need to control your brewing process so you can hit the same temperatures again next time.
Thermoworks specializes in temperature sensors of all shapes and sizes. They were founded in 1997 and serve multiple industries that require temperature monitoring. Specifically well suited for homebrewing, they have quick-responding and accurate digital thermometers that are waterproof rated.
The ProNeedle has an accuracy of +/- 0.9 degrees F within the temperature band of 14F – 212F. It works at temperatures outside that band, but the accuracy drops off significantly. The digital display reads out in tenths of a degree. The thermometer senses when you rotate it, and the digital readout is able to flip 180 degrees to try to keep it readable. There’s a button you can push to backlight the LED in low light situations. It also has a min/max function, such that when finishing measuring something, you can pull up the maximum temperature read and minimum temperature read by cycling through it with a button push.
Measuring Mash TemperatureConfirming Mash Temp Using Max Function
You might be concerned about electronics up close to your wort since the things you try to keep dry somehow are the first bits to get splashed. The ProNeedle is certified to IP67 standard (can handle up to 30 minutes submerged to a 39” depth), so you don’t have to worry when it gets splashed, or even if you lose your grip and have to fish it out of the mash tun. The thermometer is designed to fit in your pocket, so it’s about the length of a pen. Half of that length is the electronics body with the buttons and screen, and the other half is the thin stainless probe. The probe is 2.9” long, but only needs to be submerged at least 1/4″ to get a temperature reading. It comes with a plastic cover to protect the probe when not in use (and also to protect you from the pointy end of the narrow probe).
It uses a small CR1632 battery, which is good for 3,000 hours (without backlight) of temperature measurements. If you forget to push the power button to turn it off, it has an auto-off feature that will shut it off after several minutes. Thermoworks stands behind the thermometer with a 5-year warranty, as well.
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