INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390929)

INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390929)

The INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390929) is a high-precision calibration weight designed for ultra-accurate mass calibration and verification of analytical, comparator, and high-resolution balances. Manufactured in accordance with OIML Class E1 standards, this weight provides exceptional accuracy, stability, and traceability for critical metrology and laboratory applications.

This Class E1 calibration weight features a robust one-piece cylindrical construction that ensures excellent mechanical stability and long-term dimensional consistency. Made from Troemner Alloy 8, it offers uniform density, superior corrosion resistance, and reliable performance even under frequent calibration use. The weight is supplied with a dedicated protective case to prevent contamination and physical damage during storage and transport.

Key Features

• OIML Class E1 classification for ultra-high accuracy mass calibration

• One-piece cylindrical construction for maximum stability and durability

• Manufactured from Troemner Alloy 8 for consistent density and long-term reliability

• Low uncertainty and tight tolerance suitable for reference and primary calibration

• Protective storage case included for safe handling and preservation of accuracy

• Designed for professional laboratory and metrology environments

• Manufactured in the USA for assured quality and full traceability

Technical Specifications

• Weight value: 10 kg

• OIML class: E1

• Uncertainty: 1 mg

• Weight tolerance: 5 mg

• Construction: One-piece

• Design: Cylindrical

• Material: Troemner Alloy 8

• Density at 20 °C: 8.03 g/cm³

• Dimensions (H × Ø): 7.22 × 3.94 in (18.352 × 10.00 cm)

• Dimensions in case (L × H × W): 9 × 8 × 8 in (22.86 × 20.32 × 20.32 cm)

• Protective case: Included

• Country of origin: USA

Applications

• Calibration and verification of analytical, comparator, and high-resolution balances

• Reference mass standards in metrology and calibration laboratories

• Pharmaceutical, chemical, and academic laboratories requiring extreme accuracy

• Quality control and regulatory compliance testing