Tintometer Lovibond MD100 Instrucciones página 56

Methods
GB
O2
0.0.0
Zero
Test
O2
RESULT
56
Oxygen, dissolved with Vacu-vials
10 – 800 μg/l O
2
Insert the adapter for 13 mm Ø round vials.
Place the blank in the sample chamber and perform zero calibration
(see "Operation"). The blank is part of the test kit.
Water should flow through the special sample container for several
minutes to remove any air bubbles sticking at the surface.
The water must flow from the bottom to the top.
When the sample container is bubble-free press one Vacu-vial
the lower edge of the sample container. The Vacu-vial
neck and the vial fills automatically.
A small volume of inert gas remains in the Vacu-vial
Remove the Vacu-vial
immediately.
As the contents of the vial has a higher density than water, it is impor-
tant to remove the vial from the sample container within 5 seconds to
prevent any loss of reagent.
Invert the vial several times. Dry the outside of the vial.
Place the Vacu-vial in the sample chamber.
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Press the [ZERO/TEST] key.
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in µg/l Oxygen.
point downwards from the sample container
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K-7553
®
into
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breaks at the
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.
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MD100_2 10/2014