INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390933)

INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390933)

The INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390933) is a high-precision calibration weight designed for ultra-accurate mass calibration and verification of analytical and high-resolution balances. Manufactured in accordance with OIML Class E1 standards, this weight delivers exceptional stability, reliability, and traceability for critical weighing applications in laboratory and metrology environments.

This Class E1 calibration weight features a robust one-piece cylindrical design that ensures excellent mechanical stability and long-term dimensional integrity. Constructed from Troemner Alloy 8, it provides uniform density, strong corrosion resistance, and consistent performance over extended use. A dedicated protective case is included to protect the weight from contamination and physical damage, helping maintain calibration accuracy during storage and handling.

Key Features

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

• One-piece cylindrical construction for superior stability and durability

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

• Suitable uncertainty and tolerance for reference and primary calibration tasks

• Protective storage case included to maintain cleanliness and calibration integrity

• Designed for professional laboratory and metrology use

• Manufactured in the USA to ensure quality and full traceability

Technical Specifications

• Weight value: 500 g

• OIML class: E1

• Uncertainty: 0.6 mg

• Weight tolerance: 0.25 mg

• Construction: One-piece

• Design: Cylindrical

• Material: Troemner Alloy 8

• Density at 20 °C: 8.03 g/cm³

• Dimensions (H × Ø): 2.49 × 1.50 in (6.33 × 3.80 cm)

• Dimensions in case (H × Ø): 4.5 × 3.5 in (11.43 × 8.89 cm)

• Protective case: Included

• Country of origin: USA

Applications

• Calibration and verification of analytical and high-resolution balances

• Reference mass standards in metrology and calibration laboratories

• Pharmaceutical, chemical, and academic research requiring high mass accuracy

• Quality control and regulatory compliance testing