INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390938)

INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390938)

The INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390938) is a high-precision calibration weight designed for ultra-accurate mass calibration and verification of analytical and microbalances. Manufactured in accordance with OIML Class E1 standards and supplied with an ISO/IEC 17025 accredited calibration certificate, this weight ensures excellent traceability and dependable performance for critical weighing applications.

This Class E1 calibration weight features a one-piece cylindrical design that provides outstanding mechanical stability and long-term dimensional integrity. Made from Troemner Alloy 8, the weight offers uniform density, corrosion resistance, and consistent performance over time. A protective storage case is included to prevent contamination and physical damage, helping preserve calibration accuracy during handling and storage.

Key Features

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

• Supplied with ISO/IEC 17025 accredited calibration certificate for full traceability

• One-piece cylindrical construction for superior stability and durability

• Extremely low uncertainty suitable for reference and primary standards

• Tight tolerance supporting precise analytical balance calibration

• Troemner Alloy 8 material for excellent density uniformity and corrosion resistance

• Protective storage case included for safe handling and long-term accuracy

• Manufactured in the USA for assured quality and traceability

Technical Specifications

• Weight value: 10 g

• OIML class: E1

• Calibration certificate: ISO/IEC 17025 accredited

• Uncertainty: 0.005 mg

• Weight tolerance: 0.02 mg

• Construction: One-piece

• Design: Cylindrical

• Material: Troemner Alloy 8

• Density at 20 °C: 8.03 g/cm³

• Dimensions (H × Ø): 0.72 × 0.39 in (1.839 × 0.991 cm)

• Dimensions in case (H × Ø): 2.5 × 2 in (6.35 × 5.08 cm)

• Protective case: Included

• Country of origin: USA

Applications

• Calibration and verification of analytical and microbalances

• Reference mass standards in metrology and calibration laboratories

• Pharmaceutical, chemical, and academic research requiring extreme accuracy

• Quality control and regulatory compliance testing