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

Weight 2P EB CYL 30g CL4 Accrd TR

Calibration Certificate ISO/IEC 17025 Accredited Certificate
ASTM Class 4
Weight Value 30 g
Item Number: 30391173
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 4
Weight Value 30 g
Design Cylindrical
Protective Case Included
Uncertainty 0.18 mg
Construction Two-piece
Density at 20°C 7.95 g/cm3
Dimensions 0.63 in x 0.73 in (1.6 cm x 1.85 cm) (HxØ)
Dimensions in Case 2.5 in x 2 in (6.35 cm x 5.08 cm) (HxØ)
Weight Material 316 Stainless Steel
Weight Tolerance 0.9 mg
Wgt Origin (USA) USA