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

Weight 2P EB GH 4kg CL1 Non-Accrd TR

Calibration Certificate Traceable Certificate
ASTM Class 1
Weight Value 4 kg
Item Number: 30391511
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 4 kg
Design Grip Handle
Protective Case Included
Construction Two-piece
Density at 20°C 7.85 g/cm3
Dimensions 2.57 in x 4.97 in (6.528 cm x 12.64 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 9.75 mg
Wgt Origin (USA) USA