Version 1 02/2017
AQ3140 COD Colorimeter PROFORMA User Guide
8
9
Menu options
Menu Selections
Switch the unit off
Press the [MODE] key and hold .
Switch the unit on using the [ON/OFF] key .
Allow the 3 decimal points to be displayed before releasing the [MODE] key .
The [Option] key allows for selection of the following menu points:
diS
recall stored data
dAtE setting the date and time
CAL user calibration
diS – Recall of Stored Data
After confirming the selection with the [MODE] key the photometer shows the last 16 data sets
in the following format (automatically proceeds every 3 seconds until result is displayed):
Number
n xx (xx: 16 . . .1)
Year
YYYY (e .g . 2014)
Date
mm .dd (monthmonth:dayday)
Time
hh:mm (hourhour:minuteminute)
Test
Method
Result
x,xx
The [ZERO/TEST] key repeats the current data set .
The [MODE] key scrolls through all stored data sets .
Quit the menu by pressing [Option] key .
Setting Date and Time (24-hour-format)
After confirming the selection with the [MODE] key the value to be edited will be shown for 2 sec.
The setting starts with the year (YYYY) followed by the actual value to be edited . The same
applies for month (mm), day (dd), hour (hh) and minutes (mm). Set the minutes first in steps of
10, press the [Option] key to continue setting the minutes in steps of 1 .
Increase the value by pressing the [MODE] key .
Decrease the value by pressing [ZERO/TEST] key .
Proceed to the next value to be edited by pressing [Option] key .
After setting the minutes and pressing the [Option] key the display will show “IS SET” and the
instrument returns to the measurement mode .
On
Off
Mode
Option
Mode
Mode
Zero
Test
diS
Mode
SET
DATE
YYYY
(2 sec.)
Mode
Zero
Test
dAtE
Option
Option
CAL
METHOD
0.0.0
METHOD
METHOD
CAL
CAL – User Calibration
Note:
user calibration (Display in calibration mode)
factory calibration (Display in calibration mode)
After confirming the selection with the [MODE] key the instrument will show CAL/"Method".
Scroll through methods using the [MODE] key .
Fill a clean vial with the standard up to the 10 ml mark, screw the cap on and place the vial in
the sample chamber making sure that the marks are aligned .
Press the [ZERO/TEST] key .
The method symbol flashes for approx. 8 seconds.
The display shows the following in alternating mode:
Perform calibration with a standard of known concentration (see "Operation") .
Press the [ZERO/TEST] key .
The method symbol flashes for approx. 3 seconds.
The result is shown in the display, alternating with CAL .
If the reading corresponds with the value of the calibration standard (within the specified toler-
ance), exit calibration mode by pressing the [ON/OFF] key .
Changing the displayed value:
Pressing the [MODE] key once increases the displayed value by 1 digit .
Pressing the [ZERO/TEST] key once decreases the displayed value by 1 digit .
Press the corresponding key until the reading equals the value of the calibration standard .
By pressing the [ON/OFF] key, the new correction factor is calculated and stored in the user
calibration software .
Confirmation of calibration (3 seconds).
CAL
cAL
Zero
Test
Zero
Test
CAL
x
CAL
Mode
On
Off
Zero
Test
: :
RESULT
Cal
CAL
Menu options - Calibration Mode
Note:
The instrument calibration in the range MR is automatically taken also for HR .
