Oceanographic Secchi Disk, 51 cm Diameter
Product Code: 77915
Constructed of white high density polyethylene, this 51 cm diameter disk comes with stainless steel hardware, built-in 5 lb. lead sounding weight, 20.0m nylon cord, and reel.
- Large 20-inch (51 cm) white disk provides excellent visibility for deep-water measurements.
- Integrated 5 lb lead weight ensures the disk descends vertically with minimal drift.
- HDPE construction resists impact, UV exposure, and corrosion.
- Stainless steel hardware provides long service life in freshwater and marine environments.
- 20 m nylon line and reel allow convenient deployment and retrieval.
- Rugged construction suitable for routine field use in demanding conditions.
