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0 calibration – Cooper Instruments & Systems DFI 250X Digital Weight Indicator User Manual

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CF 147

21

version 1.1

This sets the date format.

Options are:

dd.mm.yy

mm.dd.yy

Default: dd.mm.yy

YEAR (Set Year)

Range: 2000 to 2099

MONTH (Set Month)

Range: 01 to 12

DAY (Set Day)

Range: 01 to 31

HOUR (Set Hour)

Range: 00 to 23 (24-hour format)

MINUTE (Set Minute)

Range: 00 to 59

7.4.8 TEST (Special Test Functions)

Items within this Group allow access to the testing routines for the instrument. With these routines the scale base
output can be monitored and the inputs and outputs can be tested.

SCALE (Scale Base Test Display)

Verifies the correct load cell capacity and/or load cell wiring is used. It sets up the instrument as a simple test
meter to measure the load cell signal output. The display reads in millivolts-per-Volt, factory calibrated to 0.1%
worst case. When accessing this item, initially there should be no weight on the scale. In OIML or NTEP
modes, this display is only active for five seconds before returning to the menu.

FRC.OUT (Force Outputs)

Forces each of the output drivers in turn. All outputs turn OFF when leaving this step. The key will
advance through each output (i.e. ON.1 and ON.2). Pressing will turn all outputs off and exit the test.

7.4.9 FACTRY (Factory Adjustment Menu)

DEFLT (Restore Factory Settings Except for Calibration and Build)

Restores all settings in the digital setup, which are not calibration critical back to the original new settings
installed at the factory. The main use of this routine is to completely reset an instrument that is being installed
on a different scale. The instrument will prompt with Cont. N. Press to change to Cont. Y and to
continue. When Cont. Y has been chosen the instrument will display DONE to indicate that the operation has
been completed.
Restoring the factory options does not affect the calibration. To reset the calibration to factory condition
CAL:FAC.CAL must be used. Refer to FAC.CAL (Restore Default Factory Calibration)

section 7.4.3. This

menu item is only available when in Full Digital Setup mode.

7.4.10 – End – (Leaving Setup)

Refer to Exiting Full or Safe Setup section 7.2.

8.0 CALIBRATION

The calibration of the indicator is fully digital. The calibration results are stored in permanent memory for use each
time the instrument is powered up.

Note: Some of the digital setup steps can affect calibration. The BUILD and OPTION settings MUST be

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