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

Weight 2P EB CYL 3kg CL1 Accrd TR

Calibration Certificate ISO/IEC 17025 Accredited Certificate
ASTM Class 1
Weight Value 3 kg
Item Number: 30391531
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 ISO/IEC 17025 Accredited Certificate
ASTM Class 1
Weight Value 3 kg
Design Cylindrical
Protective Case Included
Uncertainty 1.5 mg
Construction Two-piece
Density at 20°C 7.85 g/cm3
Dimensions 4.13 in x 2.72 in (10.478 cm x 6.9 cm) (HxØ)
Dimensions in Case 10.25 in x 6 in (26.035 cm x 15.24 cm) (HxØ)
Weight Material 303 Stainless Steel
Weight Tolerance 7.5 mg
Wgt Origin (USA) USA