RADWAG PS 510.R2.CT Carat Balance - Manual (Page 38)

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10.2 Zeroing
In order to zero mass indication press button.
The mass indication on the display should equal zero, and precise zero
and stability marker should appear.
Zeroing process is tantamount to determining new zero point
recognised by the balance as precise zero. Zeroing is possible only in
stable status of display indication.
Caution:
Zeroing the display indication is possible only within the ±2% range of
instrument’s maximal capacity If the zeroed value is above the ±2% of the
maximal capacity, then the software indicates an error message Err2.
10.3 Taring
In order to determine the net weight of a weighed object, place object’s
container (packaging) on balance’s weighing pan, and on stabilisation of
measurement result press button . The display should indicate mass
equal to zero and symbols: Net and .
On taking off the weighed load and its packaging from instrument’s
weighing pan, the display indicates sum of total tarred mass with minus
sign.
The software also enables assigning tare value to a product from a
database. Then, on product selection from a database, the software
automatically uploads data on tare value for the specific product.
Caution:
Taring negative values is impossible. On tarring negative values the
balance responds with an error message Err3. In such case zero balance’s
indication and repeat tarring procedure.