Chapter 4 _________________________________________________________________ Operation
VAISALA_______________________________________________________________________ 105
PURGE
Use the command PURGE to start the manual Purge. Issue command
PURGE to start Purge immediately.
Example:
>purge
Purge started, press any key to abort.
>
The prompt '>' appears when the heating period is over. However, the
transmitter outputs are locked to values measured before purge until
the settling time is over.
Sensor Warming
DMT345 and DMT346 contain a sensor warming function, that is,
when humidity reaches a set limit (default: 80%RH), sensor warming
operation is activated automatically. Sensor warming continues as
long as the humidity is above that limit.
When the warming starts, the sensor operation indicator is displayed
on the optional display and relays configured as "online status" (if
any) will be released. Warming does not affect T
d/f
,T
d/f atm,
T
d
,T
d atm,
x,
H
2
O and P
w
quantities, all others will be frozen.
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