The H-B Instrument DURAC general purpose 77mm immersion thermometer, a must-have tool for your scientific needs. This lab-grade thermometer is perfect for use in chemical laboratories, universities, scientific institutions, and even in food and beverage processing. It's also highly applicable in petrochemical laboratories, the pharmaceutical industry, the medical industry, manufacturers, dairies, breweries, and distilleries. This versatile tool is a reliable companion for a wide range of temperature measurement needs. This scientific liquid thermometer is filled with a blue spirit liquid and has an impressive temperature range of 20 to 500°F. It meets the accuracy requirements of ANSI/SAMA Z236.1-1983, ensuring precise readings every time. Whether you're measuring atmospheric temperature, semi-solids, or liquids, this thermometer provides accurate temperature indications when immersed up to the tip or meniscus of the liquid column. Each thermometer comes individually packaged in recyclable Safety-Pak packaging with a non-roll fitting, making it both eco-friendly and easy to handle. Trust in the durability and accuracy of SP Bel-Art's glass lab thermometer for all your temperature measurement needs.