Vaisala PTU300 Uživatelská příručka stáhnout pdf (Strana 57)

Chapter 4 ________________________________________________________________ Operation

VAISALA _______________________________________________________________________ 55

Pressure 3h Trend and Tendency

Reading

Using Basic Display

0604-056

Figure 30 P

Tendency

Display indicators for pressure 3h trend and tendency above, where:

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

number (for more information, see Figure 31, on page 56)

2 = P3h symbol

3 = Trend (middlemost numeric value)

Pressure tendency graphics and codes:

The characteristic symbols of pressure tendency during the 3 hours

preceding the time of observation are described as follows:

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 172 173

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Vaisala PTU300 Uživatelská příručka Strana 57