Hafner

Primary standards - class E0

As national standard and/or to show the national mass scale up to 50 kg. For calibration (tracing) of the mass standards of class E1 to national standards.

Adjustment, testing, official calibration and calibration instrument for the quality assurance of scales with more than 1,000,000 steps in accordance with DIN EN ISO 9001ff etc.
For the calibration and official calibration of weights of class E2 in accordance with OIML R111 and E08.
For high precision weighing or comparative measurements on measurement comparators.

Adjustment, testing, official calibration and calibration weights for precision scales of class I
For the quality assurance of scales with fewer than 1,000,000 steps in accordance with DIN EN ISO 9001ff etc.
For weighing or making comparative measurements on class I scales or on measurement comparators.
For the calibration and official calibration of weights of classes F1 and F2 in accordance with OIML R111 and E08.

High precision weights - class F1:
adjustment, testing and calibration instruments for scales of class II and for quality assurance in accordance with ISO 9001ff for scales with fewer than 300,000 steps.

Weights for the calibration and official calibration of weights of the lower classes (M3-F2) in accordance with E08 and OIML R111.

High precision weights - class F2:
Adjustment, testing and calibration instruments for scales of class II and for quality assurance in accordance with ISO 9001 for scales with fewer than 100,000 steps.
 
Weights for the calibration and official calibration of weights of the lower classes (M3-M1) in accordance with E08 and OIML R111. Use for significant business (e.g. precious metals and stones) on scales of class II. Load cells for the depiction of the most precise pull, pressure or torsion conditions.

Precision weights of class M1:
Adjustment, testing and calibration instrument for commercial scales (class III) and for quality assurance in accordance with DIN EN ISO 9001ff for scales with fewer than 30,000 steps.

Weights for use in the calibration and official calibration of weights of classes M2 and M3.