Veo Observer Plus Instruções de Operação descarregar pdf (Página 71)

Charged Aerosol Detectors

Corona Veo and Corona Veo RS

Operating Instructions Page 63

The following table is to assist you with typical flow rates for certain column diameters:

Column Diameter Typical Flow Rate

4.6 mm 1.0 mL/min

3.0 mm 0.5 mL/min

2.0 mm 0.2 mL/min

1.0 mm 0.05 mL/min

Fig. 16: Typical flow rates for various columns

5. Allow the detector to equilibrate until you observe a steady baseline.

Monitor the background signal of the detector. It will increase initially and then start to

fall. Over a short period of time the signal will fall to a low level and then stabilize.

6. The detector is ready for data acquisition when the baseline is stable. The time

required to obtain a stable baseline depends on the application.

7. Autozero the detector: From the Run Mode Menu, press the Autozero soft key.

8. The detector is now ready for sample analysis.

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Veo Observer Plus Instruções de Operação Página 71