Name: Vaisala PWD22
Brand: Vaisala
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VAISALA ________________________________________________________________________ 7

List of Tables

Table 1 Manual Revisions ..................................................................... 10

Table 2 Related Manuals ...................................................................... 10

Table 3 PWD Sensor Series Model and Performance Table................ 15

Table 4 Vaisala Present Weather Detector

PWD22/52 Nomenclature......................................................... 17

Table 5 Nomenclature for Options of the Vaisala Present Weather

Detector PWD Family............................................................... 17

Table 6 Receptable Connector Default Wiring...................................... 35

Table 7 Control Logic of Relay Controls 1 and 2 .................................. 40

Table 8 Control Logic of Relay Controls 1, 2, and 3 ............................. 41

Table 9 Default Communication Settings.............................................. 43

Table 10 Commands for Changing Default Settings............................... 44

Table 11 Commands for Displaying and Changing Parameters............. 44

Table 12 Initial Settings and Corresponding Commands........................ 48

Table 13 Commands for Routine Maintenance Operations.................... 48

Table 14 Command Set .......................................................................... 57

Table 15 Hardware Error Texts ............................................................... 74

Table 16 Warnings .................................................................................. 74

Table 17 PWD22/52 Specifications........................................................ 99

Table 18 PWD22/52 Electrical Specifications ....................................... 100

Table 19 Optical Specifications of the Light Transmitter....................... 100

Table 20 Optical Specifications of the Light Receiver........................... 101

Table 21 Visibility Measurement Specifications .................................... 101

Table 22 Weather Sensing Specifications ............................................ 101

Table 23 Environmental Specifications ................................................. 102

Table 24 Values from STA message for Internal Monitoring ................ 103

Table 25 Internal Weather Types and Supported NWS Codes ............ 111

Table 26 WMO SYNOP Codes (Table 4680, W

) Used by

PWD22/52 .............................................................................. 111

Table 27 WMO METAR Codes (Table 4678) Used by PWD22/52....... 112

Vaisala PWD22 User Manual

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