In those countries in which breaking the electronic seal by means of a
menu function is not permitted, the housing (of the operator unit) must
be opened and a plug-in jumper must be adjusted (c.f. chapter 8.4.1
"Setting of the plug-in jumper" / page 115.
This operation gives access to all parameters, but the electronic seal
will automatically be broken.
The menu function “break seal” (menu 4.1.3) is not accessible in this
case.
For calibration or recalibration the function 'Restore seal' (menu 4.1.4) is
called up. This increments the event counter and determines the current
date and version number. Then the new checksum is formed. All this data
is saved, displayed and printed out in the electronic seal.
Point in time when the →
last seal took place
Serial Number →
Device Number →
Device Name (Ser.No. of →
measurement unit)
Identification of W&M Official →
Seal Status →
Program Information →
The entry of an additional password (parameter 3.1.3) is required to
protect the electronic W & M seal.
An erroneous entry of the password leads to a record in the log book.
Each time the password is entered incorrectly, the waiting period before
a new entry becomes possible is extended (by 1, 15, 60 min).
Restoration of the electronic W & M seal must only be carried out under
the supervision of a W & M inspector or an approved maintenance
person!
To prevent abuse, the passwords set at the factory, especially the seal
password, should be changed during the initial operation. Store them in
the measurement system certificate.
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