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E0-disc-weights-Series

Häfner E0 disc weights

Primary and secondary mass standards of class E0: as a national mass standard and/or for representing the national mass scale up to 50 kg, and for the calibration of mass standards of class E1.

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Häfner E0 disc weights

Application

In addition, E0 mass standards are used for the calibration and traceability of E1 mass standards to national standards. They are used in particular in national metrology institutes, highly specialized calibration laboratories and applications with very high requirements for measurement uncertainty and traceability.

  • Realization of national mass scales up to 50 kg
  • Use as a national standard
  • Calibration and traceability of E1 mass standards
  • High-precision comparison measurements in mass metrology
  • Applications with very high requirements for measurement uncertainty and stability

Marking of E0 Mass Standards

For high-precision mass standards, marking is carried out with particular care. In accordance with the requirements of OIML R111-1:2004, weights of this accuracy level are not marked with their nominal value or with unit information.

For differentiation, weights of the same nominal value that occur more than once in weight sets can be marked with dots or stars. In addition, up to three customer-specific user markings, such as characters, letters or numbers, can be applied.

These user markings support the clear identification of the weights as test or measuring equipment and can be specified individually when ordering.

Weight sets and cases

All weight sets include gloves, two brushes and two tweezers; sets up to 50 g come without the big tweezers, the big brush and the gloves.

Versions

Single weights, special stainless steel HE2101 g … 50 kg (15 values). Packaging: Without box, Plastic box with screwed top, Clean room plastic case, Mahogany wooden box, Clean room case with removable inserts, Service case.
Sets, special stainless steel HE2101 g–5 g … 1 g–10 kg (8 values). Packaging: Clean room plastic case, Mahogany wooden box, Clean room case with removable inserts, Service case.

Maximum permissible errors (OIML R111)

1 g± 0,0050 mg
2 g± 0,0060 mg
5 g± 0,0080 mg
10 g± 0,0100 mg
20 g± 0,0120 mg
50 g± 0,0150 mg
100 g± 0,0250 mg
200 g± 0,0500 mg
500 g± 0,1250 mg
1 kg± 0,25 mg
2 kg± 0,50 mg
5 kg± 1,2 mg
10 kg± 2,5 mg
20 kg± 5 mg
50 kg± 12 mg

Configurar el equipo

Elija modelo, sondas y accesorios. Las combinaciones incompatibles se bloquean solas; el resto de las reglas se verifica al agregar el equipo a la cotización.