Veo Observer Plus Instruções de Operação descarregar pdf (Página 46)

Charged Aerosol Detectors

Corona Veo and Corona Veo RS

Page 38 Operating Instructions

4.4.3 Installing the In-Line Filter (optional)

An in-line filter is included in the accessories kit for the detector. The in-line filter can be

used in the flow path before the detector to prevent particulate matter from entering into

the nebulizer.

To install the in-line filter:

1. Locate and unpack the in-line filter. The in-line filter is shipped with a filter frit.

2. Open the two end nuts of the filter assembly.

3. Rinse the filter housing with deionized water.

4. Install and close one end nut.

5. Insert the filter frit into the filter housing. Ensure that the filter frit is properly centered

and seated against the surface of the end nut. Be careful not to scratch the filter.

6. Install the second end nut and tighten it carefully until contact between the cap and

filter is felt. The filter is properly installed if both end nuts are approximately an equal

distance from the center of the filter housing. The connection should be fingertight. Do

not use a wrench or pliers to close the end nuts. Do not overtighten the end nuts, as

this can crush the filter.

7. Connect the in-line filter to the system flow path as described in section 4.4.4

(→ page 39). Ensure that the in-line filter is installed in the direction of flow as

indicated on the filter.

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Veo Observer Plus Instruções de Operação Página 46