Secchi disk For viewing depth clarity of water in pond river lake depth Agro marine Abron AM-132B  dia 30cm    

Standard Parts tool used to measure water clarity. 

Made 8-inch 20 cm Dia     Black and white disk 

Rope Strong    

with measuring tape 

With ring for Rope    

Weight disc 

Cat No    Item         Type  

AM-132A15   Secchi disk 20cm dia wooden with weight  with Rope thread +15 meter tape

AM-132A10   Secchi disk 20cm dia wooden with weight  with Rope thread +10 meter tape

AM-132A       Secchi disk 20cm dia wooden with weight  with Rope thread without Measuring Tape

AM-132B       Secchi disk 30cm dia wooden with 1 kg weight  with Rope thread without Measuring Tape

AM-132B15   Secchi disk 30cm dia wooden with 1 kg weight  with Rope thread with15 meter Measuring Tape

AM-132B10   Secchi disk 30cm dia wooden with 1 kg weight  with Rope thread with10 meter Measuring Tape

AM-132B15   Secchi disk 30cm dia wooden with 1 kg weight  with Rope thread with15 meter Measuring Tape