KERN and SOHN ALT Manual De Instrucciones página 113

Models PLT:
Balances with obligation to verify must be taken out of operation if:
The weighing result of the balance is outside the error limit. Therefore,
-
in regular intervals load balance with known test weight (ca. 1/3 of the max.
load) and compare with displayed value.
The reverification deadline has been exceeded.
-
30
Position of the seals
ALTPLT-BA-e-0721