WEIGHT SETS CLASS F 2 Ohaus (30390833)

WEIGHT SETS CLASS F 2 Ohaus (30390833)

The WEIGHT SETS CLASS F 2 Ohaus (30390833) is a wide-range calibration weight set designed for traceable verification of balances and scales from milligram levels up to 20 kg. This set meets OIML Class F2 requirements and includes an ISO/IEC 17025 accredited calibration certificate, supporting quality systems that require documented traceability for audits and routine QA/QC. With weights down to 1 mg, the set is suitable for detailed performance checks such as sensitivity testing, linearity verification, and ongoing balance monitoring in laboratory and industrial environments. The set combines two-piece weights for 1 g and above with one-piece weights for 500 mg and below, helping maintain stability and proper handling across the full range. A protective case is included to keep every piece organized, clean, and secure during storage and transport. Made in the USA.

Key Features

• OIML Class F2 calibration weight set for dependable routine verification

• ISO/IEC 17025 accredited calibration certificate included for traceable documentation

• Wide range from 20 kg down to 1 mg for multi-point testing across different load levels

• Mixed construction optimized by range: two-piece (≥1 g) and one-piece (≤500 mg)

• Protective case included for safe storage, easy inventory control, and transport

• Material selection supports durability and stability across mass values

• Made in the USA

Applications

• Routine verification of analytical balances, precision balances, and laboratory scales

• Linearity and repeatability checks from mg sensitivity testing to high-capacity loading

• QA/QC programs and regulated environments requiring accredited traceability

• Suitable for pharmaceutical, chemical, research laboratories, manufacturing QC, and metrology-related tasks

Specifications

• Product Type: Calibration Weight Set

• Brand / Model: Ohaus 30390833

• Calibration Certificate: ISO/IEC 17025 Accredited Certificate

• OIML Class: F2

• Weight Set Range: 20 kg – 1 mg

• Set Capacity: 40 kg

• Total Pieces: 30

• Protective Case: Included

• Construction: 1 g and above are two-piece; 500 mg and below are one-piece

• Density at 20°C:

  • Below 5 mg: 2.70 g/cm³

  • 500 mg to 5 mg: 7.95 g/cm³

  • Above 1 kg: 7.95 g/cm³

  • 1 kg to 1 g: 8.03 g/cm³

• Dimensions in Case (L x H x W): 11.7 in x 19.7 in x 24.6 in (29.718 cm x 50.038 cm x 62.484 cm)

• Set Contents: 20 kg; 10 kg; 5 kg; 2 kg (x2); 1 kg; 500 g; 200 g (x4 total); 100 g; 50 g; 20 g (x2); 10 g; 5 g; 2 g (x2); 1 g; 500 mg; 200 mg (x2); 100 mg; 50 mg; 20 mg (x2); 10 mg; 5 mg; 2 mg (x2); 1 mg

• Weight Material:

  • Above 1 kg: 316 Stainless Steel

  • 1 kg to 1 g: Troemner Alloy 8

  • 5 mg to 500 mg: 316 Stainless Steel

  • Below 5 mg: 3003-H14 Aluminum

• Origin: USA