GeneMate GA- 225DC, Operation Manual, Page: 8 / 26

CALIBRATION & ADJUSTMENT
To ensure the highest level of weighing performance, calibration and adjustment is required at installation and
at regular intervals thereafter. Calibrate the balance when:
•
The balance is moved to a new location
•
Long periods between weighing procedures occur.
•
If the ambient temperature changes more than 3 ° C
The SSA Series offers a variety of options for Calibration & Adjustment :
Internal Automatic Calibration & Adjustment
Activated automatically with Temperature Change (3 ° C) and/or Time (programmable) Change
Internal Manual Calibration & Adjustment
Activated by press the CAL Key
External Manual Calibration & Adjustment
Using External Calibration Weight (Not less than 30% of Capacity) with Certificate of
Calibration
Internal Calibration & Adjustment (Setup Key - Code P1.1)
Imitates the Internal Calibration and Adjustment Procedure. Internal Calibration & Adjustment procedure may
also be activated at anytime by manually pressing the CAL Key.
External Calibration & Adjustment (Setup Key - Code P1.2)
This feature allows the user to program a “known value” of a mass standard into the balance for the
Adjustment procedure. The “known value” will remain in memory for subsequent calibration and adjustment
procedures.
User Calibration & Adjustment (Setup Key - Code P1.3)
Adjustment procedure using an external weight at mass in the weigh range., not lower than 30% of capacity.
Calibration Test (Setup Key - Code P1.4)
Compares the result of the internal automatic adjustment with the value of internal weight saved in memory
with the results shown on the display. If the balance is connected to a printer or computer via the RS232 port
the results will be printer. Press the Units/ESC (Escape) to return to the previous menu.
Temperature Activated (Setup Key - Code P1.5)
When the GA-Series balance detects a temperature change greater than 3 ° C the thermometer icon will appear
on the display. The user has a two-minute interval to complete the weighing process. After the two-minute
interval the balance will begin a 30 second count down procedure before initiating the calibration and
adjustment procedure. During the count down period you may press the Escape Key to delay the count down
procedure for five minutes. The count down procedure may be delayed multiple times but this may lead to error
in the weighing process.
Page 6
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