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Products / Precision Weights

We have precision weight and mass solutions for the widest range of mass calibration applications, from 0.1 mg to 2 tonnes in every weight class
from E0 to M3 for all industrial sectors, from Zwiebel, one of the World’s leading manufacturers of precision weights and masses.

OIML Weights - 1 mg to 50 Kg E0, E1 and E2 classes

Class E1 weights are intended to ensure traceability between national mass standards and weights of a lower accuracy class. Class E2 weights are intended for use in the calibration of weights of a lower accuracy class and for use with weighing instruments of special accuracy class 1. Weights can be supplied either individually, or in sets in foam lined plastic or velvet lined wooden cases.

  • An example of E2 weight set:
  • Velvet-lined wooden case
  • 24 weights ranging from 1mg to 500g
  • Tweezers
  • glass protection for wires
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OIML WEIGHTS - 1mg to 50kg F1 and F2 classes

These weights comply with the international standard OIML R111. F1 and F2 Weights are intended for use in the calibration of weights of a lower accuracy class and for use with weighing instruments of special accuracy class I and high accuracy class II. They can also be used as control weights and are usually supplied with a calibration certificate. The weights can be supplied either individually, or in sets in foam lined plastic or velvet-lined wooden cases.

  • An example of F1 weight set:
  • Foam-lined plastic case
  • 25 weights from 1mg to 1kg tweezers
  • Glass protection for wires
  • Cleaning cloth
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OIML WEIGHTS - 1mg to 50kg M1, M2 and M3 classes

These weights comply with the international standard OIML R111. M1, M2 and M3 weights intended for use in the calibration of weights of a lower accuracy class and for use with weighing instruments of medium accuracy class III and ordinary accuracy class IIII. They can also be used as control weights and are usually supplied with a calibration certificate. They can be supplied either individually, or in sets in plastic or velvet-lined wooden cases.

Hang masses & masses with hooks - M1, M2 and M3 classes

These masses are designed to be used in a variety of applications such as pressure, torque and tensile strength testing. Adjustment and calibration of each mass, as well as its individual identification number, guarantees highly accurate weight calculations.

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Masses with slots -

This system comprises a holder with a hanger enabling you to stack and hang slotted weights. The hanger is made of stainless steel, the weights are brass. Weights are adjustable in kg or newtons. The dimensions and nominal value of the holder can be adapted to suit your requirements.

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Masses with hook(s) -

Masses with a single hook: these masses can be hooked individually in order to carryout tests.
Masses with two hooks: stainless steel masses can be hooked together enabling you to
carry out tests of various values.

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