Camlab Lovibond MD 610, Инструкция по эксплуатации

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94
MD 610_2d 11/2019
COD LR
with Vario Tube Test
3 – 150 mg/l O
2
Insert the adapter for 16 mm Ø vials.
1. Open one white capped reaction vial and add 2 ml
deionised water (this is the blank (Note 1)).
2. Open another white capped reaction vial and add
2 ml of the water sample (this is the sample).
3. Closethe vialswith the cap tightly. Invert the vial gently
severaltimes to mix the contents.
(CAUTION:The vial will becomehot during mixing!)
4. Heat the vialsfor 120 minutes in the preheated reactor
at a temperature of 150°C .
5. (CAUTION: The vials are hot!)
Removethe tubesfrom the heating block andallow them
to cool to 60°C or less. Mix the contents by carefully
inverting each tube several times while still warm.
Then allow the tubes to cool to ambient temperature
before measuring. (Note 2).
6. Place the vial (the blank (Note 3, 4)) in the sample
chamber making sure that the marks are
l
aligned.
7. Press ZERO key.
8. Removethe vial from the sample chamber.
9. Place the vial (the sample (Note 3, 4)) in the sample
chamber making sure that the marks are
l
aligned.
10. Press TEST key.
The result is shown in the display in mg/l COD.
Zero accepted
prepare Test
press TEST
prepare Zero
press ZERO
Ø 16 mm
3 0 1