WEIGHT SETS CLASS F 2 Ohaus (30390812)

WEIGHT SETS CLASS F 2 Ohaus (30390812)

The WEIGHT SETS CLASS F 2 Ohaus (30390812) 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 covers a wide range from 10 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 set is supplied in a protective case to keep each weight organized and protected from dust and contamination during storage and transport. 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 10 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 10 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 30390812

• Calibration Certificate: No Certificate

• OIML Class: F2

• Weight Set Range: 10 kg – 1 mg

• Set Capacity: 21.11 kg

• Total Pieces: 29

• 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): 8.3 in x 16 in x 21.2 in (21.082 cm x 40.64 cm x 53.848 cm)

• Set Contents: 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: Aluminum

• Origin: USA