C A L I B R A T I O N M O D E F O R F L U O R I D - Tintometer Lovibond MD 100 Instruction Manual

GB User calibration
!
Mode
CAL
F
Zero
Test
F
0.0.0
CAL
Zero
Test
F
F0
Zero
Test
F
42
4
Calibration Mode for Fluoride
Calibration takes place also:
0 mg/l and 1.0 mg/l F
(seemethod description, rem.)
Fluoride calibration:
Retrievemenu (see"Retrieve menu")
3x = arrow symbols on Cal or Cal on the display
confirm
After confirming the selection with the [MODE] key the instrument will
show CAL/F.
Fill a clean vial with 10 ml deionised water, close tightly with the cap.
Place the vial in the sample chamber making sure that the
are aligned.
Press the [ZERO/TEST]key.
The method symbol flashes for approx. 8 seconds.
The display shows the following in alternating mode:
Add exactly 2 ml SPADNSreagent solution to the deionisedwater.
Close the vial tightly with the cap and invert severaltimes to mix the
contents.
Place the vial in the sample chamber making sure that the
are aligned.
Press the [ZERO/TEST]key.
The method symbol flashes for approx. 3 seconds.
The display shows:
Removethe vial from the sample chamber, empty the vial, rinse vial and
cap severaltimes and then fill the vial with exactly 10 ml Fluoride
standard (Concentration 1 mg/l F).
Add exactly 2 ml SPADNSreagent solution to the Fluoridestandard.
Close the vial tightly with the cap and invert severaltimes to mix the
contents.
Place the vial in the sample chamber making sure that the
are aligned.
Press the [ZERO/TEST]key.
The method symbol flashes for approx. 3 seconds.
-
standard and a clean vial
MD1X0/200_1b 09/2020
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