this manual. The WindDisplay power supply can be supplied set for 220 V AC, 110v AC or 24v DC operation when ordered. If subsequently after delivery the The Sensor connects directly to a standard Walker DIN 144 wind speed & direction indicator, the P1249, which gives digital displays of. Walker Wind Speed And Wind Direction Anemometer P1249 Wind Data Display The Walker P1249 is placed on the DIN 43700 (Din144 x 144) pattern and reads IECThis gives high accuracy in a robust compact package! The Sensor connects directly to a standard Walker DIN 144 wind speed & direction indicator, the P1249, WALKER P1249 Page 2 of 19. WIND DATA DISPLAY INSTALLATION. The display can be readily fitted into a panel with a cut-out conforming to that shown on drawing P1249 Wind Data Display is housed in a DIN 43700 pattern (Din144 x 144) case and reads IEC61162-1:2000, NMEA 0183, “MWV” and “MWD” serial data to provide