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

Weight Set ASTM 500mg-1mg UC Accrd TR

Calibration Certificate ISO/IEC 17025 Accredited Certificate
ASTM Class UltraClass;Troemner UltraClass
Weight Set Range 500 mg - 1 mg
Item Number: 30390135
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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 500 mg - 1 mg
Set Capacity 1 g
Set Total Pieces 12
Protective Case Included
Construction One-piece
Density at 20°C Below 5 mg are 2.70 g/cm3;500 mg to 5 mg are 7.95 g/cm3
Dimensions in Case 4.5 in x 3.5 in (11.43 cm x 8.89 cm) (HxØ)
Set Contents 100 mg;10 mg;(2) 200 mg;(2) 20 mg;5 mg;(2) 2 mg;50 mg;500 mg;1 mg
Weight Material 500 mg to 5 mg are 304 Stainless Steel;Weights 5 mg through 500 mg are 304 Stainless Steel. Weights below 5 mg are 3003-H14 Aluminum.;Below 5 mg are Aluminum
Wgt Origin (USA) USA