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Autocal, Delta correction, 6 autocal – Ohaus Voyager Balances User Manual

Page 89: Calibration

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4.6 AutoCal

TM

delta correction

Balances with AutoCal

TM

contain software which allows the internal calibration mass to be adjusted + 100 divisions

at full scale capacity. This permits calibrating the balance using an external ASTM Class 1 mass which is traceable
to a certified standard.

CALIBRATE

SPAN

LINEARITY

USER

CALIBRATION TEST

AUTOCAL

AUTOCAL DELTA CORRECTION

EXIT TO WEIGH

From main menu

Scroll to CALIBRATION and press the Enter button. Display advances to
CALIBRATE with SPAN highlighted. Scroll to AUTOCAL DELTA CORRECTION.

Enter

INTERNAL CALIBRATION

PLEASE CLEAR THE PAN. . .

AND PRESS .

Clear the pan. Internal calibration starts.

INTERNAL CALIBRATION

PLEASE WAIT. . .

THE DIFFERENCE BETWEEN THIS CAL

AND THE LAST CAL IS: 0.000 GRAMS

PRESS TO CONTINUE

Display indicates if calibration was successful and the difference between
the last calibration. It is not necessary to press the Enter button, the bal-
ance returns to a weighing mode automatically. If a difference still exists,
repeat the procedure. The difference should be 0.000 grams.

0.000

BASIC WEIGHING

0% 100%

Balance returns to a weighing mode.

GRAMS STABLE

PRESS FOR MENU

CALIBRATE

AUTOCAL DELTA CORRECTION

Enter the number of digits shown between the span calibration value of the
balance and the actual reading. For example, on a 400g balance, the
reading is 400.002g. The difference is 0.002g. This indicates a correction
of 2 divisions is required.

0.000

BASIC WEIGHING

0% 100%

PRESS FOR MENU

Tare the balance, then place an ASTM Class 1 mass equal to the span
calibration value of the balance. Note the reading. If the reading is higher or
lower than the value of the mass, proceed as follows:

->O/T<-

2

2

Enter

Calibration