What tool is used to take the temperature of fryers?

Using an infrared thermometer for measuring the temperature of fryers is particularly effective because it allows for quick and non-contact readings. This tool emits infrared radiation and measures the temperature of the oil's surface, providing instant results without needing to insert a probe into the hot substance. This makes it a safe and convenient choice in a busy kitchen environment where fryers can reach very high temperatures.

The other tools, while valuable for measuring temperatures in different contexts, may not be as ideal for fryers. A digital thermometer and a probe thermometer typically require contact with the substance being measured or may not be suited for high-temperature environments like an oil fryer. A thermal gun, which is designed for surface temperature readings similar to an infrared thermometer, may also be less commonly referenced in this context. The infrared thermometer stands out for its speed and safety in handling hot oil, making it the appropriate tool for this specific application.