23
isoCAL*:
Automatic Calibration and Adjustment
The menu code setting 1 15 3 must be
selected in the Setup menu.
– Temperature range with isoCAL:
0°C to +40°C
The “AUTOCAL" display automatically
begins flashing if the ambient temperature
has changed in relation to the tempera-
ture at the time of the last calibration/
adjustment, or after a defined time inter-
val has elapsed. The balance is telling you
that it wants to self-calibrate and adjust.
This adjustment prompt is activated when:
– The change in temperature or the elapsed
time interval is greater than that shown in
the table below
– The load on the pan has not been
changed within the last 2 minutes
– The balance has not been operated within
the last 2 minutes
– The weight on the pan is no more than 2%
of the maximum capacity of the balance
*= CPA64-WDS models:
factory setting isoCAL off (Code 1 15 1)
When these requirements are met,
the following symbols are displayed:
– C in the measured value line
– AUTOCAL flashes in the symbol display
In the Setup menu, you can configure
the balance to display the adjustment
prompt only, without performing
calibration/adjustment automatically
(menu code 1 15 2).
! Important note for calibration/adjust-
ment of the CPA2P-F model: position
the cover before calibration/adjustment.
This is necessary to enable automatic
calibration (isoCAL) to take place.
isoCAL Deactivated on Verified
Balances:
The permitted operating temperature
range for balances used in applications
subject to legal metrology (legal for
trade) is restricted as follows:
– Balances of accuracy class k:
+15°C to 25°C (+59 to +77°F)
– Balances of accuracy class K:
+10°C to +30°C (+50 to 86°F)
Fully automatic adjustment is initiated under the following conditions:
Model When the After a time
temperature interval of
changes by
CPA2P, CPA2P-F, CPA26P, CPA225D, CPA324S,
CPA224S, CPA124S, CPA64, CPA1003S, CPA1003P 1.5 Kelvin 4 h
CPA623S, CPA423S, CPA6202S, CPA5202S-DS,
CPA6202P, CPA4202S, CPA523S-PCE 2 Kelvin 6 h
CPA323S, CPA2202S…, CPA34001P, CPA34001S,
CPA223S, CPA3202S 4 Kelvin 12 h
CPA5201, CPA2201-0CE, CPA10001, CPA16001S
CPA12001S, CPA34000, CPA8201 4 Kelvin 24 h
These values are also set in the corresponding verified balances
(CPA…-0CE/-PCE models with the -0CE designation).
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