XI. E20CP-III ANALYZER & CALIBRATION DISK RECERTIFICATION
WHY DO I NEED TO PERIODICALLY RE-CERTIFY MY CALIBRATION DISKS and ANALYZER?
Periodically correlating the disk values to recently certified coffee samples will compensate for changes that occur to the
disks over time and will re-establish the analyzer’s accuracy.
ITEMS REQUIRED
● PRODUCTION TWO-SIDED RED/BLACK CALIBRATION DISK SET AND DISH
● TWO CLEAN SAMPLE DISHES
● RECENTLY CERTIFIED LIGHT ROAST SAMPLE (SCORES VALID FOR 30-DAYS)
● RECENTLY CERTIFIED DARK ROAST SAMPLE (SCORES VALID FOR 30-DAYS)
● ALCOHOL AND A SOFT LINT-FREE CLOTH
1) TURN THE AGTRON ANALYZER ON A MINIMUM OF 4-HOURS BEFORE PROCEEDING
2) MAKE CERTAIN THAT THE ANALYZER IS SET TO THE COMMERCIAL SCALE
3) CLEAN THE CALIBRATION DISKS WITH ALCOHOL AND A SOFT LINT-FREE CLOTH
4) PREPARE THE LIGHTER SAMPLE IN THE SHALLOW SIDE OF ONE OF THE CLEAN SAMPLE DISHES
5) PREPARE THE DARKER SAMPLE IN THE SHALLOW SIDE OF THE OTHER CLEAN SAMPLE DISH
NOTE: Once prepared, handle the certified samples carefully as not to disturb the analytical surface during this procedure
6) DEPRESS THE [3] + [F-CAL] KEY, FULLY OPEN THE SAMPLE DRAWER, CAREFULLY PLACE THE
LIGHTER SAMPLE INTO THE SAMPLE POSITION AND FULLY CLOSE THE DRAWER
7) KEY IN THE CERTIFIED LIGHTER SAMPLE SCORE USING THE NUMERIC KEYPAD AND DEPRESS
THE [ENTER] KEY TO ENTER THAT VALUE
8) FULLY OPEN THE SAMPLE DRAWER, CAREFULLY PLACE THE DARKER SAMPLE INTO THE
SAMPLE POSITION AND FULLY CLOSE THE DRAWER
9) KEY IN THE CERTIFIED DARKER SAMPLE SCORE USING THE NUMERIC KEYPAD AND DEPRESS
THE [ENTER] KEY TO ENTER THAT VALUE
10) FULLY OPEN THE SAMPLE DRAWER. PLACE THE CALIBRATION DISK IN THE SAMPLE POSITION
RED-SIDE FACING UP, FULLY CLOSE THE DRAWER, AND RECORD THE READING.
RED-SIDE SCORE: __________________ DATE: _________________
11) FULLY OPEN THE SAMPLE DRAWER. PLACE THE CALIBRATION DISK IN THE SAMPLE POSITION
BLACK-SIDE FACING UP, FULLY CLOSE THE DRAWER, AND RECORD THE READING.
BLACK-SIDE SCORE: __________________ DATE: ________________
12) DEPRESS THE [3] + [F-CAL] KEY, FULLY OPEN THE SAMPLE DRAWER, PLACE THE CALIBRATION
DISK RED-SIDE UP INTO THE SAMPLE POSITION AND FULLY CLOSE THE DRAWER
13) KEY IN THE RED-SIDE SCORE RECORDED ABOVE USING THE NUMERIC KEYPAD AND DEPRESS
THE [ENTER] KEY TO ENTER THAT VALUE INTO MEMORY
14) FULLY OPEN THE SAMPLE DRAWER, PLACE THE CALIBRAION DISK BLACK-SIDE UP INTO THE
SAMPLE POSITION AND FULLY CLOSE THE DRAWER
15) KEY IN THE BLACK-SIDE SCORE RECORDED ABOVE USING THE NUMERIC KEYPAD AND
DEPRESS THE [ENTER] KEY TO ENTER THAT VALUE INTO MEMORYTHE TWO SCORES
RECORDED ABOVE ARE THE NEW CERTIFIED CALIBRATION NUMBERS FOR YOUR CALIBRATION
DISKS. USE THESE NEW VALUES FOR CALIBRATION IN PLACE OF THE ORIGINAL VALUES SUPPLIED
WITH YOUR CALIBRATION DISK-SET.
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