INDIVIDUAL WEIGHT CLASS F 2 Ohaus (30390874)

INDIVIDUAL WEIGHT CLASS F 2 Ohaus (30390874)

The INDIVIDUAL WEIGHT CLASS F 2 Ohaus (30390874) is a precision 5 mg calibration weight designed for accurate verification and routine performance checks of analytical balances and microbalances. Rated to OIML Class F2, this weight helps support consistent, repeatable weighing results in laboratories, research facilities, education labs, and quality control environments. The flat design provides stable placement on balance pans, while the one-piece construction supports reliable handling and long-term stability. A protective case is included to help reduce contamination and protect the weight from damage—critical for maintaining accuracy at milligram levels.

Key Features

• OIML Class F2 accuracy class for reliable balance verification

• 5 mg nominal value for microbalance and analytical balance checks

• Flat design for stable placement during weighing

• One-piece construction for consistent handling and durability

• Protective case included to reduce contamination risk and simplify storage

• Made in the USA

Applications

• Verification and routine checks for analytical balances and microbalances

• Sensitivity and repeatability testing at milligram ranges

• Reference mass for laboratory QC and measurement assurance procedures

• Suitable for calibration labs and controlled weighing environments

Specifications

• Product Type: Individual Calibration Weight

• Brand / Model: Ohaus 30390874

• OIML Class: F2

• Nominal Weight Value: 5 mg

• Design: Flat

• Protective Case: Included

• Construction: One-piece

• Density at 20°C: 2.70 g/cm³

• Dimensions (L x H x W): 0.19 in x 0.09 in x 0.2 in (0.47 cm x 0.239 cm x 0.5 cm)

• Dimensions in Case (H x Ø): 2.5 in x 2 in (6.35 cm x 5.08 cm)

• Weight Material: 304 Stainless Steel / Aluminum (as specified)

• Weight Tolerance: 0.06 mg

• Origin: USA