USER'S GUIDE ____________________________________________________________________
4 ___________________________________________________________________ M210543EN-F
Message Missing ................................................................. 95
Message Exists but Visibility Value Does Not ..................... 96
Visibility Value is Continuously Too Good ........................... 97
Visibility Constantly Too Low ............................................... 97
PWD22/52 Reports Precipitation When There Is None ...... 98
PWD22/52 Reports Frozen Precipitation during Rain ......... 98
PWD22/52 Electrical Troubleshooting................................. 99
Technical Support ................................................................ 100
CHAPTER 8
TECHNICAL DATA .................................................................................... 101
Mechanical Specifications ................................................... 101
Electrical Specifications ...................................................... 101
Optical Specifications .......................................................... 102
Visibility Measurement Specifications ............................... 102
Weather Sensing Specifications ......................................... 103
Environmental Specifications ............................................. 103
APPENDIX A
INTERNAL MONITORING VALUES .......................................................... 105
APPENDIX B
PWC22/52 CONNECTORS AND JUMPER SETTINGS ............................ 109
APPENDIX C
NWS AND WMO CODE TABLES .............................................................. 113
APPENDIX D
CALIBRATING THE TS SENSOR ............................................................. 115
Checking TS Sensor Temperature ...................................... 116
Calibrating and Adjusting the TS Sensor .......................... 119
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