INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390944)

INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390944)

The INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390944) is a high-precision calibration weight designed for ultra-accurate mass calibration and verification of analytical and microbalances. Manufactured in compliance with OIML Class E1 standards and supplied with an ISO/IEC 17025 accredited calibration certificate, this weight ensures full traceability and exceptional reliability for critical weighing applications.

This Class E1 weight is engineered for laboratories that demand the highest level of measurement accuracy with minimal uncertainty. Its one-piece construction provides excellent mechanical stability, while the flat design allows safe handling and precise placement on balance pans. Constructed from high-quality 304 stainless steel, the weight offers superior corrosion resistance and long-term durability. A protective case is included to protect the weight from contamination and physical damage during storage and transport.

Key Features

• OIML Class 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 standards

• One-piece construction for superior stability and durability

• Flat design for secure handling and accurate positioning

• 304 stainless steel construction for corrosion resistance and long service life

• Protective storage case included to maintain cleanliness and calibration integrity

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

Technical Specifications

• Weight value: 100 mg

• OIML class: E1

• Calibration certificate: ISO/IEC 17025 accredited

• Uncertainty: 0.001 mg

• Weight tolerance: 0.005 mg

• Construction: One-piece

• Design: Flat

• Material: 304 stainless steel

• Density at 20 °C: 7.95 g/cm³

• Dimensions (L × H × W): 0.38 × 0.13 × 0.38 in (0.97 × 0.33 × 0.97 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