WEIGHT SETS CLASS F 1 Ohaus (80780431)

WEIGHT SETS CLASS F 1 Ohaus (80780431)

The WEIGHT SETS CLASS F 1 Ohaus (80780431) is a precision calibration weight kit built for accurate balance verification and routine calibration across a broad mass range. Conforming to OIML Class F1, this set helps maintain stable weighing performance for laboratories, quality control, research facilities, and industrial weighing operations. With weights from 20 kg down to 1 mg and a 30-piece configuration, it supports multi-point checks for linearity, repeatability, and day-to-day measurement assurance. The kit includes a protective case to keep every weight organized and protected during storage and transport.

Key Features

• OIML Class F1 for dependable calibration and verification

• Wide range from 20 kg to 1 mg for comprehensive multi-point testing

• 30-piece kit with a total capacity of 40 kg

• Mixed construction for practical handling and long-term durability

  • Two-piece weights for 1 g and above

  • One-piece weights for 500 mg and below

• Protective case included for secure storage and easier handling

• Made in the USA

Applications

• Calibration and verification of analytical and precision balances

• Multi-point linearity checks across low-to-high weighing ranges

• Quality control and inspection workflows requiring reliable mass references

• Laboratory, education, research, and industrial weighing environments

Specifications

• Product Type: Calibration Weight Set

• Brand / Model: Ohaus 80780431

• OIML Class: F1

• Weight Set Range: 20 kg to 1 mg

• Set Capacity: 40 kg

• Total Pieces: 30

• Protective Case: Included

• Construction:

  • 1 g and above: two-piece

  • 500 mg and below: one-piece

• Density at 20°C:

  • Below 5 mg: 2.70 g/cm³

  • 500 mg to 5 mg: 7.95 g/cm³

  • 1 kg to 1 g: 8.03 g/cm³

  • Above 1 kg: 7.95 g/cm³

• Case Dimensions (L x H x W): 29.718 cm x 50.038 cm x 62.484 cm

Kit Contents (30 pcs)

• 20 kg (1)

• 10 kg (1)

• 5 kg (1)

• 2 kg (2)

• 1 kg (1)

• 500 g (1)

• 200 g (2)

• 100 g (1)

• 50 g (1)

• 20 g (2)

• 10 g (1)

• 5 g (1)

• 2 g (2)

• 1 g (1)

• 500 mg (1)

• 200 mg (2)

• 100 mg (1)

• 50 mg (1)

• 20 mg (2)

• 10 mg (1)

• 5 mg (1)

• 2 mg (2)

• 1 mg (1)