Fluoride Method 170
Press [MODE], [Shift] + [4] [0] keys.
Confirm with [
] key.
The display shows:
Press [Shift] + [3] keys.
The display shows:
1. Fill a clean vial (24 mm Ø) with exactly 10 ml of deionised
water, close tightly with the cap.
2. Place the vial in the sample chamber making sure that
the marks
are aligned.
3. Press ZERO key.
4. Remove the vial from the sample chamber.
5. Add exactly 2 ml SPADNS reagent solution to the
water sample. Caution: Vial is filled up to the top!
6. Close the vial tightly with the cap and swirl gently
several times to mix the contents.
<Calibration>
M170 Fluoride L
Zero: deionised water
press ZERO
<Calibration>
1: M191 Ca-Hardness 2
2: M191 0 Jus. Reset
3: M170 Fluoride L
Press [Shift] + [0] keys to keep the method blank.
Press [Shift] + [1] keys to erase the method blank and set
the value back to factory calibration.
The instrument goes back to mode menu automatically.
Mode
04
0
1
3
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