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Sunday, January 25, 2026

Calibration Weights



In my endless pursuit of all things heavy, I cam across these "Troemner 10 kg Class F Grip Handle Weights for Calibration" being offered in Englewood by Nicole Reimers for $50.

Troemner is the world's leading supplier of precision weights.  Established in 1838 in Philadelphia, PA.

10kg UltraClass retails for $1717
10kg Cl1 retails for $1452
10kg Cl2 retails for $1327
10kg Cl3 retails for $1249
10kg Cl4 retails for $1031
10kg Cl5 retails for $890

NIST Class F are no longer available for legal metrology use as 2020.  These weights have been switched ASTM Class 6 and Class 7.  The weight tolerance is 1 gram (which is pretty fu*king good).

I am hoping the weight and diameter make for good medley implements.



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