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Availability: In stock.
This is a pocket-type Instant Read thermometer that has a 0 - 550 degree range, It is a low-cost alternative to $20-$40 thermometers that will read temperatures in this range, required for monitoring coffee roasting.
The face cover is polycarbonate (keep the face away from heat) - as long as the shaft is exposed to the high heat and the face is not, it will be fine. The shaft is stainless steel.
You can calibrate this thermometer by turning the nut on the stem (calibrate by putting the stem into boiling water, which is 212 degrees f at sea level). You might want to calibrate it even before its first use, since vibration in shipping can affect the setting. The dial face is just over an inch, quite small!
But it does have a magnifying lens in to make it a little easier to read. The 5 inch shaft works very well for dropping into stovetop poppers, or most air roasters and air poppers. And hey, it costs five bucks! It has no clip besides a little pocket clip ... I made an instruction page for this simple process or making one.
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