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

Weight Set ASTM 1kg-1mg CL1 Non-Accrd TR

Calibration Certificate Traceable Certificate
ASTM Class 1
Weight Set Range 1 kg - 1 mg
Item Number: 30391559
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
Calibration Certificate Traceable Certificate
ASTM Class 1
Weight Set Range 1 kg - 1 mg
Set Capacity 2 kg
Set Total Pieces 25
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;1 g and above are 8.03 g/cm3
Dimensions in Case 6.6 in x 12.7 in x 16.2 in (16.764 cm x 32.258 cm x 41.148 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;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;≥1 g are Troemner Alloy 8;Below 5 mg are Aluminum
Wgt Origin (USA) USA