INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390927)

INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390927)

The INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390927) is a high-precision calibration weight designed for ultra-accurate mass calibration and verification of high-resolution balances, mass comparators, and primary reference systems. Manufactured in accordance with strict OIML Class E1 standards and supplied with an ISO/IEC 17025 accredited calibration certificate, this weight provides exceptional traceability and reliability for critical metrology applications.

This Class E1 calibration weight is engineered for laboratories that require extremely high mass accuracy at larger capacities. Its one-piece cylindrical construction ensures excellent mechanical stability and long-term dimensional integrity. Made from high-grade 316 stainless steel, the weight offers superior corrosion resistance and consistent performance under controlled laboratory conditions. Designed for professional metrology use, this model is supplied without a protective case and is intended for dedicated calibration environments.

Key Features

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

• Supplied with ISO/IEC 17025 accredited calibration certificate

• One-piece cylindrical construction for maximum stability

• High-quality 316 stainless steel for corrosion resistance and durability

• Tight tolerance suitable for primary and reference calibration standards

• Designed for professional laboratory and metrology applications

• Manufactured in the USA for assured quality and traceability

Technical Specifications

• Weight value: 50 kg

• OIML class: E1

• Calibration certificate: ISO/IEC 17025 accredited

• Construction: One-piece

• Design: Cylindrical

• Material: 316 stainless steel

• Density at 20 °C: 7.95 g/cm³

• Weight tolerance: 25 mg

• Dimensions (H × Ø): 9.64 × 7.61 in (24.486 × 19.319 cm)

• Protective case: Not included

• Country of origin: USA

Applications

• Calibration and verification of high-capacity analytical and comparator balances

• Reference mass standards in national and accredited calibration laboratories

• Pharmaceutical, chemical, and industrial metrology environments

• Quality control and regulatory compliance testing