Installation manual

Trawl hydrophone installation
79
851-165187 / Rev.A
4 TRAWL HYDROPHONE
Purpose
The purpose of this chapter is to provide general guidelines for
the installation of the PI54 hydrophone f or trawl..
Note: If your vessel shall be fitted f or purse seine operations, DO NOT
install the hydrophone(s) as explained in this chapter!
Order numbers
Trawl hydrophone, complete: HYD-205254
Trawl hydrophone, without cable gland: HYD-205826
Topics
→ Precautions, page 80
→ Considerations, page 81
→ Pre-installation checklist, page 86
→ Location, page 88
→ Coverage area, orientation and tilt, page 91
→ Mounting arrangement, page 95
→ Dual hydrophones, page 101
→ Hydrophone protection, page 102
→ Hydrophone cable, page 105
→ Installation drawings, page 110