
- 5 -
INSTRUMENT START-UP:
Switch on the instrument and wait for about 5 minutes until all the components will reach a steady
temperature. Verify that the displayed weight is positive and that it increases if one subjects the
container to a force weight. In case a negative value is displayed check the load cells connections
and their correct installation ( direction of charge ). Check also that the container is correctly
installed ( tubes position, links, etc.).
If the “JOL.4” message appears, select the desired operating mode, see page 1.
THEORETICAL INSTRUMENT CALIBRATION
:
Switch off the instrument, then turn on by keeping pressed the MENU key, the “C.0.S.c.”, message
appears, press ENTER and the following will appear:
“dECP” , set the number of decimals (max. 3 decimals) using the
and
keys. Confirm
with ENTER , the following will appear:
“CELL” , set 10% of the system’s full scale by using the
and
keys (for example with 3
load cells of 100 kg ; full scale = 100 x 3 = 300.0 kg ; 10% of 300.0 kg = 30.0 kg).
Confirm with ENTER , the following will appear:
“nU-U” , set the load cell sensitivity expressed in mV/V (normally 2,000) using the
and
keys. Confirm with ENTER , the following will appear:
“rISO” , set the system resolution by using the
and
keys: x 1, 2, 3, 4, 5 . Confirm with
ENTER , the following will appear:
“unit”, set the unit of measure using the
and
keys: 0 = kg; 1 = t.
Confirm with ENTER , the following will appear:
“tArE” , set the tare value, if you knows it, by using the
and
keys. Confirm with ENTER
and “C.0.S.c.” message appears again.
Press MENU to exit.
TARE ZERO-SETTING:
Make sure that the container is empty and press the
key, the "tArE " message will be displayed,
keeping pressed
press the ENTER key at the same time and the tare will be set to zero.
By pressing
, after 1 second, the tare value appears.
It is also possible to set the tare to the zero by using the ZERO-SETTING EXTERNAL
CONTACT (ONLY FOR “4SEt” OPERATING ); in this case the LED of DOSA key will start
blinking.
WARNING: TURNING OFF THE INSTRUMENT, THE DIVISIONS SET TO ZERO BY
EXTERNAL CONTACT WILL BE LOST.