Drawell T2003D Посібник користувача - Сторінка 5

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CALIBRATION

 The purpose for this operation is to calibrate the balance so as to achieve

the best performance in case there is obvious tolerance error in weighing

or the balance is located in different gravity due to different latitude.

 it is suggested to warm up the balance over half an hour before calibration.

 Remove all loads from the platter, press key TARE to clear the readings to

0.000g.

 Press and hold key CAL for 3 seconds, release the key CAL when "---

CAL---" is shown in the display, a figure of standard weight will flash in the

display, put a standard weight on the platter accordingly, standby state "---

---" will be shown in the display for a few seconds before the standard

weight figure is shown in the display, remove the weight, "------" standby

state will remain for a few seconds before the balance enter stable

weighing mode, showing 0.000g.

 It is recommended to make the operations twice to achieve the best

calibration result.

 Linearity Calibration, Press and hold key CAL for 3 seconds, release the

key CAL when "---CAL---" is shown in the display, after a short presence of

"- - - - ", a standard weight figure will flash in the display, press and hold

key PCS to enter linearity calibration mode, follow the instructions to

proceed linearity calibration.

WEIGHING

When the balance is warmed up and calibrated, 0.000g is shown in the display

indicating weighing mode, put the object on the platter, when stable, the weight

of the object is shown in the display.

Note, symbol O is stable indictor, when it stops flash, the balance is stable

TARING

When a loader is put over the platter, its weight is shown in the display, press

key TARE, 0.000g will be shown in the display, indicating the weight of the

loader is deducted, put the object into the loader, when stable, the figure

shown in the display is the weight of the object.

PIECE COUNTING

Remove all loads from the platter, press key TARE to clear the readings in the

display, press key PCS to enter counting mode, "- -COU- -" "- - - -" and figure

10(default sampling quantity) will in turns be shown in the display, keep

pressing key PCS to select sampling quantity from 10,25,50,100 up to

500,release key PCS when the desired quantity flashes in the display, put a

sample on the platter accordingly, press key PCS again to save setting, the

counting mode setting is finished, in counting mode, weighing unit will change