Vaisala BAROCAP PTB330 Guida Utente Scaricare il pdf (Pagina 55)

Chapter 4 ________________________________________________________________ Operation

VAISALA_______________________________________________________________________ 53

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Figure 29 Main Menu (main level)

Pressure 3h Trend and Tendency

Reading

Using Basic Display

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Figure 30 P

Tendency

Pressure tendency graphics and codes

The characteristic symbols of pressure tendency during the 3 hours

preceding the time of observation are described as follows:

Numbers refer to Figure 30 on page 53:

1 = Tendency: Increasing/decreasing graph symbol with the code

number (for more information, see Figure 31, Pressure

Tendency Description, on page 54).

2 = P3h symbol

3 = Trend (middlemost numeric value in the example),

that is, pressure change during last 3 hours

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 137 138

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Vaisala BAROCAP PTB330 Guida Utente Pagina 55