USER'S GUIDE____________________________________________________________________
142 _________________________________________________________________ M210796EN-F
- Start the chemical purge manually by selecting Start purge now
and pressing START.
- Select Purge on power-up by using the arrow buttons. Press
On/Off to turn the start-up purge on/off.
- Select Automatic purge and turn it on or off by pressing the
ON/OFF key.
- Select Interval and press the SET key. Set the purge interval
and the unit (hour/day) by using the arrow buttons. The interval
must be set between 1 hour...10 days. Press the OK key.
- If you have the data logger module installed, you can also
specify the Date and Time when the purge is performed next.
4. Press the EXIT key to return to the basic display.
0706-004
Figure 66 Performing Chemical Purge
Using Serial Line
PURGE
Use the PURGE command to start chemical purge immediately.
>purge
Purge started, press any key to abort.
>
The prompt '>' appears when the heating period is over. However, the
transmitter outputs are locked to the values measured before performing
chemical purge until the settling time is over.
PUR
With PUR c
ommand you can enable or disable automatic and power-up
chemical purge and set the interval for automatic purge. If the sensor is
exposed to chemicals it is recommended to have the chemical purge done
at least once in 720 min (=12 hours). In applications where the chemical
exposure is not likely, the interval can be longer.
If the transmitter has a data logger module installed, you can also set the
starting date and time for the interval purge. After the set time has been
reached, the interval purge will be performed at the set interval. This
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