Etekcity Lasergrip 630 Dual Laser Non-contact Digital IR Infrared Thermometer. Dual Laser Pointers indicate ideal measuring distance. Measures in Celsius or Fahrenheit (Range: -58℉~1076℉ / -50℃ to 580℃) for current and MAX/MIN/AVG temperatures. Auto Shut-off & Data Hold Function & Low Battery Indicator & Backlight Display Selection.
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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