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

Weight Set ASTM (2)2kg-1mg UC Accrd TR

Calibration Certificate ISO/IEC 17025 Accredited Certificate
ASTM Class UltraClass;Troemner UltraClass
Weight Set Range (2) 2 kg - 1 mg
Item Number: 30390018
Overview
ASTM Reference Calibration Weight Sets
Applications
Use as a primary reference for calibrating other mass standards and use for traceability between national mass standards and ASTM Class 1 weights and lower. This class is appropriate for calibrating high-precision balances with readability as low as 0.01 mg.
Construction
1 g and above - two-piece 500 mg and below - one-piece
Design Features
Weights 50 kg through 1 g are cylindrical with handling knob. Weights 500 mg and below are flat with one end turned up for easy handling.
Specifications
Calibration Certificate ISO/IEC 17025 Accredited Certificate
ASTM Class UltraClass;Troemner UltraClass
Weight Set Range (2) 2 kg - 1 mg
Set Capacity 6 kg
Set Total Pieces 27
Protective Case Included
Construction 1 g and above are two-piece; 500 mg and below are one-piece
Density at 20°C Below 5 mg are 2.70 g/cm3;500 mg to 5 mg are 7.95 g/cm3;2 kg and above are 7.95 g/cm3;1 kg to 1 g are 8.03 g/cm3
Dimensions in Case 7.3 in x 15.2 in x 19.2 in (18.542 cm x 38.608 cm x 48.768 cm) (LxHxW)
Set Contents (2) 2 g;(2) 200 g;(2) 20 mg;500 mg;10 g;(2) 20 g;100 g;100 mg;10 mg;(2) 200 mg;1 g;50 g;(2) 2 kg;5 g;1 kg;5 mg;500 g;(2) 2 mg;50 mg;1 mg
Weight Material 500 mg to 5 mg are 304 Stainless Steel;≥2 kg are 316 Stainless Steel;Below 5 mg are Aluminum;1 kg to 1 g are Troemner Alloy 8;Weights 2 kg and above are 316 Stainless Steel. Weights 1 g through 1 kg are Troemner Alloy 8. Weights 5 mg through 500 mg are 304 Stainless Steel. Weights below 5 mg are 3003-H14 Aluminum.
Wgt Origin (USA) USA