The AllPoints Foodservice Parts & Supplies 1381016 Refrigerator/Freezer Thermometer features a 2-inch dial for easy readability and a 48-inch capillary tube with a 3/8-inch outer diameter bulb measuring 2.5 inches in length. It accurately measures temperatures ranging from -40°F to 60°F and can be calibrated for precise readings. Designed for convenience, it includes a strap hanger for easy mounting. The durable stainless steel housing ensures longevity, making it ideal for use in open cases. This thermometer is NSF certified, ensuring it meets strict public health standards.