WEIGHT SETS CLASS E 1 Ohaus (30390921)

WEIGHT SETS CLASS E 1 Ohaus (30390921)

The WEIGHT SETS CLASS E 1 Ohaus (30390921) is a high-precision calibration weight designed for ultra-accurate mass calibration and verification of analytical balances, mass comparators, and high-resolution laboratory weighing systems. Manufactured in accordance with OIML Class E1 standards, this weight provides excellent accuracy, stability, and traceability for critical metrology applications.

This E1 class weight features a one-piece cylindrical construction that ensures superior mechanical stability and long-term dimensional consistency. It is manufactured from Troemner Alloy 8, a premium material known for its uniform density, corrosion resistance, and long-term performance. The weight is supplied with a protective case to safeguard it from contamination and physical damage during storage and handling, helping preserve calibration integrity over time.

Key Features

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

• One-piece cylindrical construction for maximum stability and durability

• Manufactured from Troemner Alloy 8 for consistent density and reliability

• Very low uncertainty suitable for reference and primary calibration standards

• Tight tolerance to support precise analytical and comparator balance calibration

• Protective case included for safe storage and handling

• Manufactured in the USA for assured quality and full traceability

Technical Specifications

• Weight value: 2 kg

• OIML class: E1

• Uncertainty: 0.25 mg

• Weight tolerance: 1 mg

• Construction: One-piece

• Design: Cylindrical

• Material: Troemner Alloy 8

• Density at 20 °C: 8.03 g/cm³

• Dimensions (H × Ø): 3.42 × 2.63 in (8.674 × 6.685 cm)

• Dimensions in case (H × Ø): 4.5 × 3.5 in (11.43 × 8.89 cm)

• Protective case: Included

• Country of origin: USA

Applications

• Calibration and verification of analytical balances and mass comparators

• Reference mass standards in metrology and accredited calibration laboratories

• Pharmaceutical, chemical, and academic laboratories requiring extreme accuracy

• Quality control, validation, and regulatory compliance testing