Vaisala HMP228 User's Guide download pdf (Page 19)

Chapter 6 __________________________________________________ Buttons, displays and menus

VAISALA _______________________________________________________________________ 17

Basic display

1. Selected quantities. Up to three of the quantities can be selected at a

time.

- a

: water activity

- T temperature (°C/°F)

- H

O: moistured oil/ dry oil volume (ppm)

2. Shortcut button Graphic

changes display into curve mode

3. Shortcut button Hold/Sa

freezes display and you may save the reading

into the memory.

4. Shortcut button Record

takes you to the Recording/Viewing menu.

5. State of battery.

Graphic, Hold/Sa and Record -functions above the shortcut buttons are set in

the factory. You can change them to refer other functions (see page 24).

Graphical display

Graphical display shows you the measurements in a form of curve. From

the curve you can examine the data trend and history of the last minutes.

Graphical display shows firstly the curve of the uppermost quantity shown

in a basic display.

1. In basic display, press Graphic or (alternatively open the MENU,

select Recording/Viewing.

2. Graphical display opens. More information on page 22 Graphic history.

3. Press BACK to return to the basic display.

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Vaisala HMP228 User's Guide Page 19