Calibration, Calibration menu, Calibration menu protection – Ohaus AP250E ANALYTICAL Plus Electronic Balances User Manual

Page 35: Auto calibration, Menus

Calibration Menu Protection

NOTES

NOTES:

1. Calibration may be locked out to prevent unauthorized personnel
from changing calibration. If calibration has been locked out, you
can only access Test.

2. To lock out calibration menu, after calibration, refer to the section
titled Menu Lock-Out Protection.

Auto Calibration

Auto calibration is used when it is desired to calibrate the balance automatically.
Proceed as follows:

1. Make sure there is no load on the pan and close the chamber doors.

CALIBRATION MENU

Analytical Plus balances features

Auto

USER

and

TEST

calibration methods.

Auto

is a method where the balance calibrates itself using internal calibrated masses.

USER

is a method where the balance

can be calibrated using an external mass of

known value by entering that value into the balance.

Test

allows the stored

calibration data to be tested against the internal mass being used for the test. The
following figure illustrates the sequence in which submenus appear on the Calibration
menu. Item shown bolded is a default setting.

CALIBRATION MENU

AUTO

USR

Enter #

TEST

END, Calibration

NOTE: DO NOT DISTURB THE

BALANCE WHEN -C-

BALANCE WHEN -C-
IS DISPLAYED.

IS DISPLAYED.

MENUS