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ASTM Individual Calibration Weights
Individual Calibration Weights Adjusted to Meet or Exceed ASTM Class 1-4 Tolerances

Weight 2P ASTM 300g CL1 Non-Accrd TR

Calibration Certificate Traceable Certificate
ASTM Class 1
Weight Value 300 g
Item Number: 30391597
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Overview
ASTM Individual Calibration Weights
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
One-piece
Design Features
Knob style weights 50kg–1 g 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 Value 300 g
Design Cylindrical
Protective Case Included
Construction Two-piece
Density at 20°C 8.03 g/cm3
Dimensions 2.02 in x 1.42 in (5.128 cm x 3.6 cm) (HxØ)
Dimensions in Case 4.5 in x 3.5 in (11.43 cm x 8.89 cm) (HxØ)
Weight Material Troemner Alloy 8;Troemner Alloy 8.
Weight Tolerance 0.75 mg
Wgt Origin (USA) USA