INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390934)

INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390934)

The INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390934) is a high-precision calibration weight designed for ultra-accurate mass calibration and verification of analytical and high-resolution balances. Manufactured in compliance with OIML Class E1 standards, this weight provides exceptional stability, accuracy, and reliability for critical weighing applications in laboratory and metrology environments.

This Class E1 calibration weight features a one-piece cylindrical design that ensures excellent mechanical stability and long-term dimensional consistency. Constructed from Troemner Alloy 8, it offers uniform density, high corrosion resistance, and reliable performance over extended use. A protective storage case is included to safeguard the weight from contamination and physical damage, helping preserve calibration integrity during handling and storage.

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 corrosion resistance

• Very low measurement uncertainty suitable for reference and primary standards

• Tight tolerance supporting precise analytical balance calibration

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

• Manufactured in the USA to ensure quality and full traceability

Technical Specifications

• Weight value: 200 g

• OIML class: E1

• Uncertainty: 0.025 mg

• Weight tolerance: 0.1 mg

• Construction: One-piece

• Design: Cylindrical

• Material: Troemner Alloy 8

• Density at 20 °C: 8.03 g/cm³

• Dimensions (H × Ø): 1.84 × 1.10 in (4.674 × 2.799 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 high-resolution balances

• Reference mass standards in metrology and calibration laboratories

• Pharmaceutical, chemical, and academic research requiring extreme accuracy

• Quality control and regulatory compliance testing