Secchi Disk
For determining the depth of visibility and light permeability of water. Sturdy design made of strong, hard-wearing plastic. Lead weight for better lowering. The approx. 15 cm high rod is fitted with an eyelet for fastening the lowering engine. The lowering line is marked in intervals of 100 cm with figures from 1 to 10 and in between additionally with line markings each 50 cm for better reading of the depth of visibility while the disk is being lowered.
Lowering line, please order separately.
Toote variatsioonid
Description | Catalog number | PK | Kogus | |
---|---|---|---|---|
Lowering line, 10 m, marked in intervals of 50 cm and 100 cm | 7.072 324 | 1.00 | ||
Secchi Disk, diam. 250 mm with eyelet without bottom line | 7.072 323 | 1.00 | ||
Secchi Disk, diam. 250 mm, 4 areas (2 x black, 2 x white) | 6.267 808 | 1.00 |