WEIGHT SETS CLASS F 2 Ohaus (30390810)

WEIGHT SETS CLASS F 2 Ohaus (30390810)

The WEIGHT SETS CLASS F 2 Ohaus (30390810) is a precision calibration weight set designed for routine verification, linearity checks, and performance testing of analytical balances, precision balances, and laboratory/industrial scales. Conforming to OIML Class F2, this set spans from 20 kg down to 1 mg, enabling multi-point checks across kilogram, gram, and milligram values to help maintain consistent weighing accuracy in laboratory and quality control workflows. The protective case keeps each weight organized and protected from dust and contamination during storage and transport, supporting stable results over repeated use. This model is supplied without a calibration certificate.

Key Features

• OIML Class F2 calibration weight set for dependable balance and scale verification

• Wide range from 20 kg down to 1 mg for multi-point linearity checks across kg to mg values

• Supports repeatability, sensitivity, and routine performance verification

• Mixed construction: two-piece for ≥1 g and one-piece for ≤500 mg for practical handling by range

• Protective case included for clean storage and safer transport

• Made in the USA

Applications

• Routine verification for analytical and precision balances, and laboratory/industrial scales

• Linearity checks across common working points from milligrams to 20 kg

• Reference standards for laboratory QC and measurement assurance procedures

• Suitable for research labs, education labs, calibration rooms, and controlled weighing environments

Specifications

• Product Type: Calibration Weight Set

• Brand / Model: Ohaus 30390810

• Calibration Certificate: No 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) 2 kg; 1 kg; 500 g; 200 g (x2); 100 g; 50 g; 20 g (x2); 10 g; 5 g; (2) 2 g; 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