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Version 1 02/2017
AQ3170 Chlorine Colorimeter PROFORMA User Guide
Operation
Switch the unit on using the [ON/OFF] key .
The display shows the following: "CL L" or "CL H"
Select the required test using the [MODE] key .
Scroll Memory (SM)
To avoid unnecessary scrolling for the required test method, the instrument memorizes the
last method used before being switched off. When the instrument is switched on again, the
scroll list comes up with the last used test method first.
The display shows the following: "CL L" or "CL H"
Fill a clean vial with the water sample 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 "CL L" or "CL H" symbol flashes for approx. 8 seconds.
The display shows the following: 0 .0 .0
After zero calibration is completed, remove the vial from the sample chamber . Add the re-
agent to the vial according to the specific reagent instructions. The characteristic coloration
appears after the addition of the reagent .
Replace the cap on the vial and place in the sample chamber making sure that the marks
are aligned .
Press the [ZERO/TEST] key .
(For Countdown/reaction period see page 7)
The "CL L" or "CL H" symbol flashes for approx. 3 seconds.
The result appears in the display .
The result is saved automatically .
Repeating the test:
Press the [ZERO/TEST] key again .
Repeating the zero:
Press the [ZERO/TEST] key for 2 seconds .
On
Off
Mode
Zero
Test
Zero
Test
Zero
Test
0.0.0
Zero
Test
Display Backlight
Press the [Option] key to turn the display backlight on or off. The backlight is switched off auto-
matically during the measurement .
Recall of Stored Data
If the instrument is switched on, press the [Option] key for more than 4 seconds to access the
recall menu .
Option
Option
Timer / Reaction Period
If a reaction period is included in a method a countdown function can be used:
Press the [Option] key and hold .
Press the [ZERO/TEST] key .
Release the [Option] key; the countdown starts .
After the countdown is finished the measurement starts automatically.
It is possible to interrupt the countdown by pressing the [ZERO/TEST] key . Measurement starts
immediately .
Caution:
An incomplete reaction period can lead to incorrect test results .
Zero
Test
Option
Functional Description
Functional Description
