Manual

Table of Contents

4.3 Schematics of Connectors .................................................................. 72

4.3.1 Sensor Schematics....................................................................... 72

4.3.2 Power Schematics ....................................................................... 77

4.3.3 Communication Modems Schematics ......................................... 77

Appendices

ET107 Maintenance Log ......................................... A-1

B. PS24 24 Ahr Power Supply and 10 x 12 inch

Enclosure .............................................................. B-1

B.1 PS24 Components ............................................................................ B-1

B.2 Installation ........................................................................................ B-4

C. Exploded Views ...................................................... C-1

C.1 Enclosure .......................................................................................... C-1

C.2 Crossarm .......................................................................................... C-2

D. Default Programs .................................................... D-1

D.1 Program for ET107 with Gill WindSonic ....................................... D-1

D.2 Program for ET107 with 034B ........................................................ D-3

E. Step-down Transformer Installation ..................... E-1

Figures

1-1. Effect of structure on wind flow........................................................... 2

1-2. Cut flap packing tape ........................................................................... 3

1-3. Shipping box packaging ....................................................................... 3

1-4. ET107 with the Met One 034B-ETM Wind Sensor, top layer ............. 4

1-5. ET107, bottom layer ............................................................................. 4

1-6. Magnetic declination for the contiguous United States (2004) ............ 7

1-7. Declination angles east of True North are subtracted from 0 to get

True North ........................................................................................ 8

1-8. Declination angles west of True North are added to 0 to get True

North ................................................................................................. 8

2-1. ET tower installation with currently-available AC power option ...... 10

2-2. ET tower base installation .................................................................. 12

2-3. Cut-away view shows anchor bolt and conduit placement in cement

pad .................................................................................................. 12

2-4. Transparent view shows raising and grounding the ET tower ........... 14

2-5. Close up of ground rod and 4 AWG cable ......................................... 15

2-6. ET107 instrumentation mounted on the ET tower ............................. 16

2-7. Enclosure spacing above pole ............................................................ 17

2-8. ET107 sensor arm mounting .............................................................. 18

2-9. Temperature/relative humidity sensor with yellow protective cap ..... 19

2-10. Temperature/relative humidity sensor without yellow protective

cap .................................................................................................. 20

2-11. Wind and RH/temperature sensor installation .................................... 21

2-12. 034B mounting to pipe ....................................................................... 21

2-13. Screws that secure the electronics cover ............................................ 23

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