INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390948)

INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390948)

The INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390948) is a designed for the highest level of mass accuracy and traceability. Manufactured in compliance with OIML E1 requirements and supplied with an ISO/IEC 17025 accredited calibration certificate, this weight is intended for calibration and verification of analytical and microbalances used in critical measurement environments.

This E1 class weight is engineered for applications where minimal measurement uncertainty is essential. Its one-piece construction provides excellent mechanical stability and long-term reliability, while the flat design allows safe handling and precise placement on balance pans. The weight is supplied with a protective storage case to prevent contamination and physical damage, ensuring consistent performance over time.

Key Features

• OIML E1 classification for ultra-high accuracy mass calibration

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

• Extremely low uncertainty suitable for reference and primary calibration tasks

• One-piece construction for superior stability and durability

• Flat design for secure handling and accurate positioning

• High-quality materials ensuring consistent density and performance

• Protective case included to maintain cleanliness and calibration integrity

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

Technical Specifications

• Weight value: 5 mg

• OIML class: E1

• Calibration certificate: ISO/IEC 17025 accredited

• Uncertainty: 0.001 mg

• Weight tolerance: 0.003 mg

• Construction: One-piece

• Design: Flat

• Material: 304 stainless steel and aluminum

• Density at 20 °C: 2.70 g/cm³

• Dimensions (L × H × W): 0.19 × 0.09 × 0.20 in (0.47 × 0.239 × 0.50 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 processes where precise mass measurement is critical