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MA-431F ASTM 63F Precision Use Mercury Thermometer has a range of 18°F—89 °F with 0.2° graduations. These thermometers are designed for multiple applications requiring highly accurate and consistent temperature monitoring. Mercury-filled model has yellow-backed glass with permanent graduations. 76mm immersion depth with 400mm overall length.
The MA-431FT Thermometer is the same, but also comes with a NIST Traceable Certificate of Calibration.
Please check your state and local ordinances controlling mercury instruments before ordering. Regulations are constantly changing and Gilson may not be permitted to ship these devices to you.
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