WEIGHT SETS CLASS E 1 Ohaus (30390917)

WEIGHT SETS CLASS E 1 Ohaus (30390917)

The WEIGHT SETS CLASS E 1 Ohaus (30390917) is a high-precision calibration weight set designed for ultra-accurate mass calibration and verification of analytical balances and mass comparators. Manufactured to comply with OIML Class E1 requirements, this set delivers excellent accuracy, stability, and reliability for professional laboratory and metrology applications.

This E1 weight set covers a mass range from 1 g up to 500 g with a total capacity of 1.11 kg, making it ideal for high-accuracy analytical balance calibration and routine reference checks. Each weight is produced with one-piece construction to ensure superior mechanical stability and long-term dimensional consistency. Manufactured from Troemner Alloy 8, the weights provide uniform density, corrosion resistance, and dependable performance over extended use. All components are securely housed in a protective case for safe handling, storage, and transport.

Key Features

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

• Optimized mass range for analytical balance and comparator calibration

• One-piece construction for enhanced stability and reduced uncertainty

• Troemner Alloy 8 material for consistent density and long service life

• Protective storage case included for safe handling and storage

• Designed for professional laboratory and metrology environments

• Manufactured in the USA for assured quality and traceability

Technical Specifications

• OIML class: E1

• Weight set range: 1 g to 500 g

• Total set capacity: 1.11 kg

• Total pieces: 12

• Construction: One-piece

• Density at 20 °C: 8.03 g/cm³

• Weight material: Troemner Alloy 8

• Set contents:

  • 1 g

  • 2 g (2 pieces)

  • 5 g

  • 10 g

  • 20 g (2 pieces)

  • 50 g

  • 100 g

  • 200 g (2 pieces)

  • 500 g

• Case dimensions (L × H × W): 3.5 × 7 × 8 in (8.89 × 17.78 × 20.32 cm)

• Protective case: Included

• Country of origin: USA

Applications

• Calibration and verification of analytical balances

• Reference mass standards for mass comparators

• Metrology and accredited calibration laboratories

• Pharmaceutical, chemical, and academic research

• Quality control and regulatory compliance testing