ii
Section 2. Assembly of Components and Erection of
Tower ....................................................... 2-1
2.1 Assess Site and Sensor Requirements.................................................. 2-1
2.2 Fitting the Mast Assembly and Lightning Rod ................................. 2-2
2.3 Fitting Equipment to the Top Tower Section....................................... 2-2
2.3.1 Fitting the Pyranometer to the Top Mast Assembly................... 2-2
2.3.2 Fitting the 011E Mounting Arm and Vector Instruments
Wind Speed/Direction Sensors ................................................... 2-4
2.3.3 017E Arm Wind Monitor Only ....................................................2-7
2.3.4 018E Arm Wind Monitor and Pyranometer............................. 2-7
2.4 Fitting Optional Guy Wires to Tower Top Section.............................. 2-7
2.5 Final Checks......................................................................................... 2-8
2.6 Tower Erection .................................................................................... 2-8
2.6.1 Fitting Optional Guy Wires to Ground Anchors....................... 2-9
2.7 Mounting Low Level Sensors and Other Equipment ......................... 2-10
2.7.1 Pyranometer .............................................................................. 2-10
2.7.2 Temperature/Relative Humidity Probe ..................................... 2-10
2.7.3 Mounting the Enclosure............................................................ 2-10
2.7.4 Mounting a Solar Panel............................................................. 2-11
2.8 Connections ........................................................................................ 2-12
2.8.1 Power Supply Connections....................................................... 2-12
2.8.2 Final Connections ..................................................................... 2-12
2.9 Grounding and Lightning Protection.................................................. 2-13
2.10 Maintenance...................................................................................... 2-14
2.10.1 Enclosure ................................................................................ 2-14
2.10.2 Rust Prevention....................................................................... 2-15
2.10.3 Inspection................................................................................ 2-15
2.10.4 Sensors.................................................................................... 2-15
Section 3. Programming.............................................. 3-1
3.1 Introduction .......................................................................................... 3 -1
3.1.1 Programming .............................................................................. 3 -1
Appendix A. Using True North for Accurate Wind
Measurements ....................................................... A-1
A.1 Magnetic Distortion ............................................................................ A-1
A.2 Determining True North ..................................................................... A-1
