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This 12.7in (322mm) MA-420C ASTM 1C General Use Mercury Thermometer has a total measurement range from -20° to 150°C with graduations of 1.0°C. Immersion is 3in (76mm).
The MA-420CT Thermometer is the same, but comes with a NIST Traceable Certificate of Calibration.
MA-420C: 1.0lbs (0.45kg)
MA-420CT: 0.5lbs (0.23kg)
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