Oceanographic Secchi Disk, 51 cm Diameter Chemicals Product Code: 53756

Product Code: 53756

Low battery and over-range indicators

Chemical-resistant glass

Product Code: 974T

Product Code: WWF1

Oceanographic Secchi Disk, 51 cm Diameter Chemicals Product Code: 53756Product 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