INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390935)
The INDIVIDUAL WEIGHT CLASS E 1 Ohaus (30390935) is a high-precision calibration weight designed for ultra-accurate mass calibration and verification of analytical and microbalances. Manufactured in accordance with OIML Class E1 standards and supplied with an ISO/IEC 17025 accredited calibration certificate, this weight delivers excellent traceability, stability, and confidence for critical weighing applications.
This Class E1 calibration weight features a robust one-piece cylindrical construction that ensures superior mechanical stability and long-term dimensional consistency. Made from Troemner Alloy 8, it offers uniform density, high corrosion resistance, and dependable performance over extended use. Each weight is supplied with a protective storage case to minimize contamination and physical damage, helping preserve calibration accuracy during handling and storage.
Key Features
OIML Class E1 classification for ultra-high accuracy mass calibration
Supplied with ISO/IEC 17025 accredited calibration certificate for full traceability
One-piece cylindrical construction for excellent stability and durability
Very low uncertainty suitable for reference and primary calibration standards
Tight tolerance supporting precise analytical balance calibration
Troemner Alloy 8 material for consistent density and corrosion resistance
Protective storage case included to maintain cleanliness and accuracy
Manufactured in the USA to ensure quality and international compliance
Technical Specifications
Weight value: 100 g
OIML class: E1
Calibration certificate: ISO/IEC 17025 accredited
Uncertainty: 0.01 mg
Weight tolerance: 0.05 mg
Construction: One-piece
Design: Cylindrical
Material: Troemner Alloy 8
Density at 20 °C: 8.03 g/cm³
Dimensions (H × Ø): 1.51 × 0.86 in (3.848 × 2.177 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
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