Vaisala PTU300 - Page 145

Chapter 4 ________________________________________________________________ Operation
VAISALA______________________________________________________________________ 143
functionality can be used to make sure the chemical purge starts at a
specific time of the day.
Do not change the settings for duration, settling, temperature or
temperature difference unless instructed by Vaisala personnel.
Type PUR and press ENTER to proceed. Skip unchanged values by
pressing ENTER. Input changed values in the format shown by the
current value (for example, date and time). The maximum interval is
14400 minutes (=10 days).
Example (no data logger module installed):
>pur
Interval Purge : OFF ?
Interval : 600 min ?
Power-up Purge : OFF ?
Duration : 60 s ?
Settling : 240 s ?
Temperature : 180 'C ?
Temp. diff. : 0.5 'C ?
>
Example (with data logger module installed):
>pur
Interval Purge : OFF ?
Interval : 600 min ?
Next Purge date: 2011-02-09 ?
Next Purge time: 12:00:00 ?
Power-up Purge : OFF ?
Duration : 60 s ?
Settling : 240 s ?
Temperature : 180 'C ?
Temp. diff. : 0.5 'C ?
>
NOTE
To activate the new interval settings immediately, reset the transmitter.
NOTE
When chemical purge in power-up is enabled, wait about 6 min after
power-up before taking measurements. The output channels are locked
for the first operation minutes to the initial measured values