Campbell Scientific ET107 Evapotranspiration Monitoring Station - Manual (Page 53)

ET107 Weather Station
2.5.4.4 External Installation
The 14221 3 dBd Omnidirectional or the 14205 6 dBd Yagi Directional
Antenna should have been ordered with the RF450 kit.
The following components are provided with the RF450 radio kit for antenna
installation on the ET pole:
(1) 14241 Antenna Cable – 59 inch
(1) 18290 ET Antenna Adjustable Angle Mounting Bracket
(1) 17492 5/16-18 X 2.125 Stainless Steel U-bolt
(1) 17851 CM230 Saddle Bracket
(4) Silicon Bronze 5/16-18 Nuts
(4) 4365 5/16 Stainless Steel Washers
(4) 4366 5/16 Stainless Steel Lock Washers
(4) 17592 14.5 inch Black UV Resistant Wire Ties
1. Remove the sensor cable cover off of the back of the enclosure by
loosening the thumb screw at the bottom of the cover and swinging the
cover back and down. The top of the cover has a tab that fits in to the
rectangular hole on the back of the sensor cross arm.
2. Remove the cap off of the BNC bulkhead connector located on the lower
left hand corner of the enclosure back. Attach the antenna cable to the
BNC connector. Gently bring the cable up alongside the pole and loosely
wire tie it to the wire tie block at the top of the enclosure. Drape the
antenna cable between the pole and the enclosure. See FIGURE 2-32 and
FIGURE 2-33.
FIGURE 2-32. Loosely wire tie antenna cable
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