ASTM #81F Saybolt Viscosity Thermometer, 445 to 465F, NIST Calibration
The ASTM #81F Viscosity Thermometer, 445 to 465F has a strict manufacturing tolerance. Accuracy is assured by inspection and testing of samples from each production run. The thermometer is supplied with a statement of compliance to E 1 and E 77 requirements. The ASTM Thermometer is yellow-backed glass with permanent graduations, mercury-filled and individually packed in a cardboard tube.
Comes with a NIST Traceable Certificate of Calibration. The NIST Traceable Certificate of Calibration is a five-point calibration certificate from an ISO/IEC accredited laboratory. This accreditation is your assurance that the calibration is performed in a qualified, controlled lab. The calibration on the glass thermometer is performed using direct comparison in a high-stability liquid bath with a Precision Reference Thermometer (PRT) and Standard Platinum Resistance Thermometer (SPRT) and displays. The thermometer is also inspected for cracks and liquid-column separations before testing. Measurements are performed at 5 temperature points.
ASTM Number: 81F
Length: 10.8 (275), in (mm)
Immersion: Total
Range: 445 to 465F
Division: 0.5F
To prevent fluid column separation, always store Non-Mercury Thermometers vertically, using a storage rack.
Thermometer Well provides protection and thermal stabilization for glass laboratory thermometers used in ovens or other exposed environments.
View the full line of ASTM Mercury Filled Thermometers and the ASTM Non-Mercury Thermometers
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The ASTM #81F Saybolt Viscosity Thermometer, with a temperature range of 445 to 465F, is a high-quality and reliable instrument designed for precise viscosity measurements. Manufactured with strict tolerance controls, this thermometer guarantees accuracy and consistent performance.
Each ASTM #81F Viscosity Thermometer undergoes rigorous inspection and testing, ensuring that it meets the required standards of E 1 and E 77. It is made from yellow-backed glass with permanent graduations, allowing for easy and accurate readings. The thermometer is filled with mercury and individually packed in a sturdy cardboard tube for protection during shipping and storage.
To ensure the highest level of calibration accuracy, this thermometer comes with a NIST Traceable Certificate. This certificate guarantees that the calibration has been performed in a qualified and controlled laboratory, using a Precision Reference Thermometer (PRT) and Standard Platinum Resistance Thermometer (SPRT) for direct comparison. The thermometer is also inspected for any cracks or liquid-column separations before testing. The calibration is performed at five temperature points, further ensuring its accuracy and reliability.
The ASTM #81F Viscosity Thermometer has a length of 10.8 inches (275mm) and is designed for total immersion. It has a temperature range of 445 to 465F with a division of 0.5F, allowing for precise viscosity measurements in this specific temperature range.
For proper storage and to prevent fluid column separation, it is recommended to store the thermometer vertically using a storage rack, which can be purchased separately. Additionally, for added protection and thermal stabilization in ovens or other exposed environments, consider using a thermometer well.
Explore our full range of ASTM Mercury Filled Thermometers and ASTM Non-Mercury Thermometers to find the perfect thermometer for your needs.
For additional information and resources related to thermometers, check out our blog posts on topics such as temperature conversions and the role of thermometers in concrete curing.