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This 12.7in (322mm) MA-420F ASTM 1F General Use Mercury Thermometer has a total measurement range from 0°—302°F with graduations of 2.0°F. Immersion is 3in (76mm).
The MA-420FT Thermometer is the same, but 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.
MA-420F: 1.0lb (0.45kg)
MA-420FT: 0.2lb (0.09kg)
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