Vaisala BAROCAP PTB330 Guia do Utilizador descarregar pdf (Página 58)

User's Guide ______________________________________________________________________

56 __________________________________________________________________ M210855EN-C

0703-033

Figure 32 Graphical Display

Trend graph: Displays a curve of average values. Each value is a

calculated average over a period.

Max/min graph: Displays the minimum and maximum values in a

form of curve. Each value is max/min over a time period. See Table 7

below.

- Press the up/down arrow buttons to zoom in and out the time in the

graph window.

- Press the left/right arrow buttons to monitor the cursor mode where

you can observe individual measuring points. Press an arrow

button to move the cursor (vertical bar) along the time axis. The

numerical value at the cursor position is shown at the left upper

corner. Time from the present to the chosen moment is shown at

the upper right corner.

Table 7 Periods for Trend and Max/Min Calculations

Observation

Period

Period for Trend/Max/Min Calculations

(Resolution)

20 minutes 10 seconds

3 hours 90 seconds

1 day 12 minutes

10 days 2 hours

2 months 12 hours

1 year 3 days

Table 8 Graph Information Messages in Cursor Mode

Message Interpretation

Power outage Power failure (marked also with dashed

vertical line)

No data No data was recorded at pointed time.

Main unit failure Generic failure detected at pointed time.

Meas. failure Measurement failure detected at pointed time.

Adj. mode active The device was in the adjustment mode at

pointed time.

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Vaisala BAROCAP PTB330 Guia do Utilizador Página 58