WEIGHT SETS CLASS F 1 Ohaus (80780443)

WEIGHT SETS CLASS F 1 Ohaus (80780443)

The WEIGHT SETS CLASS F 1 Ohaus (80780443) is a precision calibration weight kit designed for accurate verification and routine calibration of analytical balances and microbalances. Conforming to OIML Class F1, this set supports stable weighing performance for laboratories, research facilities, and quality control environments that require dependable reference masses. Covering 200 g down to 1 mg, it enables multi-point checks for linearity, sensitivity, and repeatability across low-to-mid weighing ranges. The set includes an ISO/IEC 17025 accredited calibration certificate to support traceability and compliance requirements, and it comes with a protective case to keep the weights organized and protected during storage and handling.

Key Features

• OIML Class F1 accuracy class for reliable calibration and verification

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

• Range from 200 g to 1 mg for comprehensive multi-point balance checks

• 22-piece set with 400 g total set capacity

• Practical construction for stable handling and accuracy:

  • 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

• Linearity testing across low-to-mid mass ranges using multiple weight points

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

Specifications

• Product Type: Calibration Weight Set

• Brand / Model: Ohaus 80780443

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

• OIML Class: F1

• Weight Set Range: 200 g to 1 mg

• Set Capacity: 400 g

• Total Pieces: 22

• 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

• Dimensions in Case (L x H x W): 3.5 in x 7 in x 8 in (8.89 cm x 17.78 cm x 20.32 cm)

Set Contents (22 pcs)

• 200 g (1)

• 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)