Operation; Display Backlight - Aqua Lytic MiniDirect Photometer Bedienungsanleitung

Operation

GB
On
Switch the unit on using the ON/OFF key.
Off
The display shows the following:
CLt
Attention:
The unit is designed to measure chlorine either with tablet reagents (CLt)
or with powder packs (CLP). Please select the required chlorine method as
described below.
Select the test required using the MODE key:
Mode
CLt → CLP → PH → .CYS → CLt → .......... (Scroll)
The display shows the following:
METHOD
Fill a clean vial with the water sample up to the 10 ml mark, screw the cap on
and place in the sample chamber with the ∆-mark on the vial aligned with the
∇−mark on the instrument.
Zero
Press the ZERO/TEST key.
Test
The method symbol flashes for approx. 8 seconds.
METHOD
The display shows the following:
0.0.0
After zero calibration is completed, remove the vial from the sample chamber.
Add the appropriate reagent; a colour will develop in the sample.
Screw the cap back on and place the vial in the sample chamber with the ∆ and
∇ marks aligned.
Zero
Press the ZERO/TEST key.
Test
The method symbol flashes for approx. 3 seconds.
METHOD
The result appears in the display.
RESULT
The result is saved automatically.
Repeating the analysis:
Zero
Press the ZERO/TEST key again.
Test
New zero calibration:
Press the MODE key until the desired method symbol appears in the display
Mode
again.

Display backlight

Press the "!" key to turn the display backlight on or off. The backlight is switched
!
off automatically during the measurement.