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E2 Mass

E2 Mass

Standard weights - class E2 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.

DETERMINE THE REQUIRED

NOMINAL VALUES (WEIGHTS)

1. Cursory testing

You can make most of the test measurements for the weighing range with just one test weight (nominal value). The nominal value of the external calibration weight is often used for this purpose (consult the user guide or operating software of your balance). This nominal value should always be greater than 80% of the maximum rated capacity.

 

2. Complete testing

Use this method to check the weighing range (measuring range) against the maximum potential requirements. The following four test loads are required: 25%, 50%, 75% and 100% (or at least 80%) of the maximum rated capacity. The test weight for 100% (or at least 80%) of the maximum rated capacity should consist of just one weight, rather than a combination of several test weights.

 

DETERMINE THE RIGHT

TOLERANCE CLASS FOR THE

TEST WEIGHTS

1. Determine the number of intervals n by dividing the maximum weight by the scale division d (smallest reading digit) of the weighing range (measuring range). Number of steps n = Max. load capacity Scale interval d

 

2. Determine the tolerance class of the test weights from the required tolerance