5g-1mg Certified Reference Weight Set ASTM UltraClass, 30391798
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CalPak ASTM 5g-1mg UC Accrd TR
CalPak ASTM 5g-1mg UC Accrd TR

5g-1mg Certified Reference Weight Set ASTM UltraClass, 30391798

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Reference Calibration Weight Sets and Mass Standards Adjusted to Troemner UltraClass Tolerances

  • Troemner UltraClass offers high accuracy with tight tolerances and uncertainties of less than 1/4 of the tolerance. Weight surfaces meet or exceed ASTM and have a highly polished finish.
  • Available in high grade stainless steels including Troemner Alloy 8 which possesses closely controlled density, extremely low magnetic properties, good stability, and resistance to corrosion.
  • Available with certificate options traceable to NIST, including ISO/IEC 17025 accredited certification or traceable certification to aid in meeting SOP and regulatory requirements.

Product Specifications

Calibration Certificate ISO/IEC 17025 Accredited Certificate
Certificate Type NVLAP Accredited Certificate
ASTM Class UltraClass;
Troemner UltraClass
Weight Set Range 5 g - 1 mg
Design Weights 500 mg and below are flat with one end turned up for easy handling Weights 1 g and above are cylindrical with handling knob.
Set Capacity 5.5 g
Weight Material 500 mg to 5 mg are 304 Stainless Steel;
≥1 g are Troemner Alloy 8;
Weights 1 g and above are Troemner Alloy 8. Weights 500 mg through 5 mg are 304 Stainless Steel. Weights 2 mg and below are 3003-H14 Aluminum.;
≤2 mg are Aluminum
Protective Case Included
Construction 1 g and above are two-piece;
500 mg and below are one-piece
Density at 20°C 2 mg and below are 2.70 g/cm3;
500 mg to 5 mg are 7.95 g/cm3;
1 g and above are 8.03 g/cm3
Dimensions in Case (Width) 20.32 cm (8 in)
Dimensions in Case (Length) 8.89 cm (3.5 in)
Dimensions in Case (Height) 17.78 cm (7 in)
Set Contents 5 g;
500 mg;
1 mg
Set Total Pieces 3
Wgt Origin (USA) USA
Legacy Material Number 7251-00W

Logistic Specifications

Country of origin US
Customs tariff number 8423909000
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