Best Glass Thermometers of 2025

The SP Bel-Art DURAC General Purpose Liquid-In-Glass Thermometer is an economical and durable product that can be used in various industries including chemical laboratories, universities, scientific institutions, food and beverage processing, petrochemical laboratories, pharmaceutical, medical, manufacturers, dairies, breweries, and distilleries. This thermometer provides high accuracy and has a temperature range of -20 to 150°C, with a red spirit liquid fill and total immersion style. It features accuracy equivalent to the accuracy requirements of ANSI/SAMA Z236.1-1983, where ranges are specified, and calibrated for total immersion that indicates accurate temperature when immersed to the liquid level in the capillary. The thermometer is individually packaged in recyclable Safety-Pak packaging with a non-roll fitting.

The United Scientific Thermometer is a versatile tool designed for measuring temperatures in various settings. Its partial immersion feature allows you to accurately gauge the temperature of liquids in shallow containers, making it ideal for tasks like checking the heat of a hot water bath. This thermometer covers a wide temperature range from -20 to 150°C, providing flexibility for different applications. Additionally, the dual scale display offers easy readability, ensuring you can quickly interpret your results. Whether you're in a lab or at home, this thermometer is a reliable choice for precise temperature measurements.

The SP Bel-Art DURAC Plus Glass Thermometer is an accurate and reliable thermometer that is traceable to NIST and ideal for use in various industries such as chemical laboratories, scientific institutions, and food and beverage processing. This thermometer features a temperature range of 20 to 500°F, blue organic liquid fill, and white back glass. It is individually serialized, tested, and calibrated in a triple accredited ISO/IEC 17025:2005, A2LA accredited laboratory. Additionally, the thermometer comes with a multi-language Statement of Accuracy and Traceability, which is useful for users worldwide.

The SP Scienceware Thermometer is designed with a black liquid that stands out against lead-free yellow back glass, making it easy for you to read and minimizing mistakes. It's perfect for a variety of settings, including chemical labs, universities, and food processing industries. The thermometer is manufactured and tested in the USA, ensuring high quality and reliability. Plus, it's traceable to NIST standards, giving you confidence in its accuracy. With a multi-language Statement of Accuracy and a non-roll fitting, using this thermometer is convenient and user-friendly.

The Brewing America Thermometer is a high-quality glass thermometer designed for various applications, from brewing beer to food processing. Made in the USA by skilled glass blowers, it is traceable to NIST, ensuring accuracy in your measurements. This thermometer is crafted from durable borosilicate glass, making it resistant to breakage, which is a great benefit for everyday use. Additionally, it is individually packaged for convenient storage, allowing you to keep it safe when not in use. With its safe mineral spirits and red dye mix, you can use this thermometer with peace of mind in any setting, although it is not suitable for boiling liquids.

The SP Scienceware Thermometer is designed for precise temperature measurements in both internal and external environments. With a calibration point of -20˚C, it ensures accuracy in colder settings. Its temperature range spans from -50˚C to 70˚C for external readings and -10˚C to 50˚C for internal readings, making it versatile for various applications. The max/min feature allows you to track the highest and lowest temperatures, which is essential for monitoring conditions over time. Additionally, the alarm function alerts you to significant temperature changes, helping you maintain optimal conditions in your lab or workspace.

The SP Bel-Art DURAC Plus Pocket Liquid-In-Glass Thermometer is the perfect tool for professionals who need to take temperature readings on-the-go. With a range of -35 to 50°C, this thermometer is accurate and safe, providing a high level of precision. Its organic fill type and white back glass type are ideal for field studies and waste water treatment. The closed metal case ensures durability and protection during travel. Measuring at 160mm in length, this thermometer is individually packaged and comes with a Statement of Accuracy indicating its traceability to NIST.

The SP Bel-Art DURAC Plus General Purpose Liquid-In-Glass Laboratory Thermometer is an ideal tool for professionals in chemical laboratories, universities, scientific institutions, food and beverage processing, petrochemical laboratories, pharmaceutical/medical industry, dairies, breweries, and distilleries. It features blue organic liquid fill against lead-free white back glass that is mercury-free, making it environmentally friendly. Additionally, it is traceable to NIST, individually serialized, and has a multi-language Statement of Accuracy and Traceability. It is inspected by the USA quality team and ideal for research, industrial, and healthcare professionals.

The SP Bel-Art H-B DURAC Plus Thermometer is a compact and reliable laboratory thermometer. It comes with a closed plastic case and white back glass for added durability and convenience. With a temperature range of 20 to 110°F and an accuracy of 2°F, this thermometer is perfect for a variety of applications. Whether you're conducting field studies, working in wastewater treatment, or need a thermometer for on-the-go use, the DURAC Plus Thermometer is designed to provide accurate and safe temperature readings. It has been tested and calibrated in an accredited laboratory, ensuring its accuracy. Please note that this thermometer is not intended for human use.

The United Scientific Thermometer is designed for accurate temperature measurement in various applications. It is a full immersion thermometer, which means you need to submerge it deep enough to get a precise reading at the meniscus. This is especially useful when you're measuring the temperature of liquids, like ensuring your hot water bath reaches 100°C. If you're working with shallower containers, you may prefer a partial immersion thermometer, but this model is ideal for deeper measurements, giving you reliable results every time. Enjoy the convenience of dual scale readings, making it easy to work in both Celsius and Fahrenheit.