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

Weight 1P ASTM 20mg UC No Cert TR

Calibration Certificate No Certificate
ASTM Class UltraClass;Troemner UltraClass
Weight Value 20 mg
Item Number: 30390177
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 No Certificate
ASTM Class UltraClass;Troemner UltraClass
Weight Value 20 mg
Design Flat
Protective Case Included
Construction One-piece
Density at 20°C 7.95 g/cm3
Dimensions 0.15 in x 0.08 in x 0.18 in (0.39 cm x 0.203 cm x 0.47 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