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

Weight Set ASTM 25kg-1g CL1 Non-Accrd TR

Calibration Certificate Traceable Certificate
ASTM Class 1
Weight Set Range 25 kg - 1 g
Item Number: 30391570
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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 25 kg - 1 g
Set Capacity 85 kg
Set Total Pieces 19
Protective Case Included
Construction 1 g and above are two-piece; 500 mg and below are one-piece
Density at 20°C Below 2 kg are 8.03 g/cm3;2 kg and above are 7.95 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;20 kg;10 g;(2) 20 g;100 g;10 kg;1 g;50 g;(2) 2 kg;5 g;1 kg;500 g;5 kg
Weight Material Weights 2 kg and above are 316 Stainless Steel. Weights below 2 kg are Troemner Alloy 8.
Wgt Origin (USA) USA