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

Weight 2P EB CYL 4kg UC Accrd TR

Calibration Certificate ISO/IEC 17025 Accredited Certificate
ASTM Class UltraClass;Troemner UltraClass
Weight Value 4 kg
Item Number: 30390353
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 UltraClass;Troemner UltraClass
Weight Value 4 kg
Design Cylindrical
Protective Case Included
Construction Two-piece
Density at 20°C 7.85 g/cm3
Dimensions 4.54 in x 2.98 in (11.532 cm x 7.57 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 4.9 mg
Wgt Origin (USA) USA