Thermco® Mercury Filled Thermometer, 381 mm L, ASTM Number 4F, 30 to 220°F

Listed are made in accordance with specifications of the American Society for Testing and Material. Strict manufacturing procedures and quality controls insure full compliance to ASTM E-1. These instruments are made from annealed glass and have been extensively aged for minimal scale error and stability. Many crossover to the IP standard listed alongside the ASTM number. These thermometers were designed for specific testing and can be calibrated to your specific requirements. Many are available in non-mercury configurations and meet ASTM standards for accuracy tolerance and uncertainties and can be used as a primary standard.

• Methods used in the calibration of these instruments are indicated in ASTM E1 - 13 Standard Specification for ASTM Liquid-in-glass Thermometers
• ASTM E1 - 14 standard specification for ASTM liquid-in-glass thermometers
• ASTM E77 - 14 standard test method for inspection and verification of thermometers
• Traceable calibration document included
• ASTM Certified