Amprobe Infrared IR Thermometer model IR-710.
Infrared thermometer. Reads in both deg F and deg C – from 0 to 716 degrees F (-18 to 380 degrees C). Laser pointer for accurate targeting. Backlit LCD display. 8 second display hold. Displays max and minimum temps read. Low battery indicator.
Since this is no touch, you can check the temp of yeast washing and yeast rehydration water and your starter wort without the risk of infection. I find mine particularly useful for rehydrating yeast.
Infrared thermometers should not be considered a direct replacement for your standard thermometer. A quality IR thermometer will give you a close approximation of surface temperatures. Note that steam seems to throw off readings. Uses include: Contained yeast rehydration water, chilled wort or starter temperature, kegerator, fermenter or fermenation area and beer tasting samples. If you’re looking for a standard thermometer, consider these two Top Finds: CDN DTQ450X – ThermoWorks Thermapen
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