ASTM Individual Reference Calibration Weights
Reference Calibration Weights and Mass Standards Adjusted to Troemner UltraClass Tolerances

Weight 1P ASTM 1mg UC Accrd TR

Calibration Certificate ISO/IEC 17025 Accredited Certificate
ASTM Class Troemner UltraClass
Weight Value 1 mg
Item Number: 30390237
Overview
ASTM Individual Reference Calibration Weights
Applications
Use as a primary reference for calibrating other mass standards and use for traceability between national mass standards and ASTM Class 1 weights and lower. This class is appropriate for calibrating high-precision balances with readability as low as 0.01 mg.
Construction
One-piece
Design Features
Weights 50 kg through 1 g are cylindrical with handling knob. Weights 500 mg and below are flat with one end turned up for easy handling.
Specifications
Calibration Certificate ISO/IEC 17025 Accredited Certificate
ASTM Class Troemner UltraClass
Weight Value 1 mg
Design Flat
Protective Case Included
Uncertainty 0.001 mg
Construction One-piece
Density at 20°C 2.70 g/cm3
Dimensions 0.08 in x 0.05 in x 0.1 in (0.2 cm x 0.132 cm x 0.26 cm) (LxHxW)
Dimensions in Case 2.5 in x 2 in (6.35 cm x 5.08 cm) (HxØ)
Weight Material 304 Stainless Steel
Weight Tolerance 0.005 mg
Wgt Origin (USA) USA