WEIGHT SETS CLASS F 1 Ohaus (80780436)

WEIGHT SETS CLASS F 1 Ohaus (80780436)

The WEIGHT SETS CLASS F 1 Ohaus (80780436) is a precision calibration weight kit designed for accurate verification and routine calibration of analytical balances and microbalances, especially for low-range measurements. Covering 5 g down to 1 mg, this set supports multi-point checks for sensitivity, repeatability, and linearity in laboratory and research environments. It includes an ISO/IEC 17025 accredited calibration certificate to support traceability and quality compliance requirements. A protective case is included to keep the weights clean, secure, and organized during storage and handling.

Key Features

• OIML Class F1 accuracy class for reliable low-mass calibration and verification

• ISO/IEC 17025 accredited calibration certificate included for traceability and compliance support

• Wide low-range coverage from 5 g to 1 mg for multi-point balance checks

• 16-piece set with 11.11 g total capacity

• Practical construction for better handling and stability:

  • Two-piece weights for 1 g and above

  • One-piece weights for 500 mg and below

• Protective case included to reduce contamination risk and simplify storage

Applications

• Calibration and verification of analytical balances and microbalances

• Sensitivity tests, repeatability checks, and minimum weight verification

• Low-range linearity testing using multiple weight points

• QC and regulated workflows requiring traceable standards (ISO/IEC 17025)

Specifications

• Product Type: Calibration Weight Set

• Brand / Model: Ohaus 80780436

• Calibration Certificate: ISO/IEC 17025 Accredited Certificate (included)

• OIML Class: F1

• Weight Set Range: 5 g to 1 mg

• Set Capacity: 11.11 g

• Total Pieces: 16

• 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 g and above: 8.03 g/cm³

• Case Dimensions: 4.5 in x 3.5 in (11.43 cm x 8.89 cm) (H x Ø)

Set Contents (16 pcs)

• 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)