Description
Includes a black-and-white secchi disk that is 20 cm in diameter and a 20-m nylon line that is calibrated every 0.5 m. Meets The GLOBE Program® specifications.
/!\ WARNING: Lead
Includes a black-and-white secchi disk that is 20 cm in diameter and a 20-m nylon line that is calibrated every 0.5 m. Meets The GLOBE Program® specifications.
/!\ WARNING: Lead