Vaisala DM70 - Manual (Page 33)

Chapter 5 _____________________________________________________________ User Interface
3. Select Measurement settings and press .
4. Select Purge interval and press Set.
5. Set the desired purge interval with the arrow buttons. Press
OK to confirm.
6. To return to the basic display, press Exit.
Manual Sensor Purge
To check that the sensor purge has been performed to ensure the best
possible response times or before calibration, start the purge manually
as follows:
NOTE Although the sensor purge is in the automatic mode, it can also be
performed manually.
1. Open the menu by pressing Open.
2. Select Functions and press .
3. Select Purge and press Start. Confirm the selection by
pressing Yes.
4. When the sensor purge is completed, the display returns to the
basic display automatically. The stabilization of the temperature
reading can take a few minutes.
NOTE If the dewpoint is low, automatic auto-calibration will take place
immediately after the sensor purge.
The purge will take up to 5 minutes to complete. During the purge,
there are no readings on the display. A message appears on the display
every 15 seconds to inform of the time required to complete the purge.
The purge symbol also appears in the upper left corner of the display.
See Figure 10 on page 31.
0403-044
Figure 10 Sensor Purge Displays
VAISALA _______________________________________________________________________ 31