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

Weight Set ASTM 25kg-1mg UC No Cert TR

Calibration Certificate No Certificate
ASTM Class UltraClass
Weight Set Range 25 kg - 1 mg
Item Number: 30390092
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 No 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