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This 15.4in (390mm) MA-421F ASTM 2F General Use Mercury Thermometer has a total measurement range from 20° to 580°F with graduations of 2.0°F. Immersion is 3in (76mm).
The MA-421FT 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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