ASTM Calibration Weight Sets
Calibration Weight Sets Adjusted to Meet or Exceed ASTM Class 1-4 Tolerances

CalPak ASTM 20g/1g CL1 Accrd TR

ASTM Class 1
Weight Set Range 20 g - 1 g
Set Capacity 21 g
Item Number: 80859547
Overview
ASTM Calibration Weight Sets
Applications
Use Class 1 as a primary reference to calibrate other mass standards and use for traceability between national mass standards and ASTM Class 2 weights and lower. Class 1 is appropriate for calibrating high-precision balances with readability as low as 0.1mg.
Construction
500 mg and below - one piece, 1 g and above - two piece
Design Features
Knob style weights 50kg–1g are cylindrical with knob. Cal-Pak 5kg weight is a grip handle weight. Cylindrical style weights 1kg–5k have groove. Cylindrical grip style weights 4kg–30kg have recessed grip. Cylindrical weights 10g–600g are straight cylinder.
Specifications
ASTM Class 1
Weight Set Range 20 g - 1 g
Set Capacity 21 g
Set Total Pieces 2
Protective Case Included
Set Contents 20 g;1 g
Weight Material Troemner Alloy 8.