CDN DTQ450X ProAccurate Quick-Read Thermometer. Quickly get a temperature reading from your cooked meats with the CDN ProAccurate Quick-Read digital thermometer, which has a temperature range of -40 to 450 degrees F and is NSF (National Sanitary Foundation) approved for use in commercial applications. The 5-inch stainless steel stem can get a reading in 6-8 seconds, and it is complemented by a stainless steel housing surrounding the digital readout. The food-safe, waterproof display area includes a large-digit readout and data-hold capabilities.