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

Weight Set ASTM 25kg-1mg UC Accrd TR

Calibration Certificate ISO/IEC 17025 Accredited Certificate
ASTM Class UltraClass
Weight Set Range 25 kg - 1 mg
Item Number: 30390166
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
Two-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
Weight Set Range 25 kg - 1 mg
Set Capacity 85 kg
Set Total Pieces 31
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 11.7 in x 19.7 in x 24.6 in (29.718 cm x 50.038 cm x 62.484 cm) (LxHxW)
Set Contents (2) 2 g;(2) 200 g;(2) 20 mg;20 kg;500 mg;10 g;(2) 20 g;100 g;100 mg;10 mg;(2) 200 mg;10 kg;1 g;50 g;(2) 2 kg;5 g;1 kg;5 mg;500 g;(2) 2 mg;50 mg;1 mg;5 kg
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
Wgt Origin (USA) USA