INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390937)

INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390937)

The INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390937) 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 provides exceptional accuracy, traceability, and long-term reliability for critical weighing applications.

This Class E1 calibration weight features a one-piece cylindrical design that ensures excellent mechanical stability and dimensional consistency. Constructed from Troemner Alloy 8, the weight offers uniform density, high corrosion resistance, and dependable performance over time. Each weight is supplied with a protective storage case to prevent contamination and physical damage, helping preserve calibration integrity 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 consistent density and corrosion resistance

• Protective storage case included to maintain cleanliness and accuracy

• Manufactured in the USA to ensure quality and compliance with international standards

Technical Specifications

• Weight value: 20 g

• OIML class: E1

• Calibration certificate: ISO/IEC 17025 accredited

• Uncertainty: 0.006 mg

• Weight tolerance: 0.025 mg

• Construction: One-piece

• Design: Cylindrical

• Material: Troemner Alloy 8

• Density at 20 °C: 8.03 g/cm³

• Dimensions (H × Ø): 0.85 × 0.51 in (2.172 × 1.30 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