User`s guide

User’s Guide ______________________________________________________________________
70 ___________________________________________________________________M210662EN-A
provided for configuring and monitoring the multiple functions of
PWD10/20.
The standard data messages contain a status character for indicating
faults detected by the internal diagnostics. If the error status is set, the
operator can display a special status message, which contains the
detailed results of the diagnostics and a written description of the fault.
With this information the operator can take corrective action or give the
maintenance personnel advice.
Present Weather Detectors
0407-024
Figure 65 Present Weather Detector PWD22
The Vaisala Present Weather Detectors PWD12 and PWD22 identify
precipitation type by accurately estimating the water content of
precipitation with a capacitive device (Vaisala RAINCAP® sensor
element) and combining this information with optical forward scatter
and temperature measurements. These three independent measurements
are processed through sophisticated algorithms in order to produce an