The Fluke 52-2F Dual Input Digital Thermometer is a versatile tool that can be used to measure temperature in a variety of environments. This thermometer has two input channels, allowing it to be used to measure temperatures in two different locations simultaneously. The 52-2F also has a backlit LCD display that makes it easy to read. The Fluke 52-2F Dual Input Digital Thermometer is a versatile tool that can be used to measure temperature in a variety of environments. This thermometer has two input channels, allowing it to be used to measure temperatures in two different locations simultaneously. The 52-2F also has a backlit LCD display that makes it easy to read.