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PT OCTA PRIMA LESTARI Rukan Mitra Matraman Blok B-12 Jl. Matraman Raya 148 Jakarta TLP : 85902391 - 85918154 - 85918155 - 8512595 - 081398855242 - 08128638194 - 087781122777 - 081510069705 Fax : 85918178. Web : www.octaprimalestari.com . E-mail : sal
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FIELD MASTER SECCHI DISK[12 Feb. 2012, 21:38:05]
Jumlah Pesanan:
Cara PembayaranTunai
Kemas & Pengiriman1 EA
Negara AsalAmerika Serikat
FIELD MASTER SECCHI DISK

Need to determine how clear the water is? Seeing may not be believing. Measure the turbidity or degree of visibility of the water youï ¿ ½ ï ¿ ½ ï ¿ ½ re testing with our limnological secchi disk. Results are meaningless if theyï ¿ ½ ï ¿ ½ ï ¿ ½ re not repeatable and canï ¿ ½ ï ¿ ½ ï ¿ ½ t be compared.

Our sturdy plastic secchi disk handily meets industry standards.
It is 200 mm in diameter ( 7-7/ 8ï ¿ ½ ï ¿ ½ ï ¿ ½ ) and has four quadrants, two white and two black.
We include 20 meters of 1/ 8ï ¿ ½ ï ¿ ½ ï ¿ ½ diameter line on an orange styrofoam form that will float if dropped in the water.

Plus instructions that are written at a basic level.

Most scientists use a Secchi Disk to determine the index of suspended matter in the water. The smaller the index - say, five feet - the more suspended material there is.
The water is, obviously, less transparent, with a lower degree of visibility.

You can also use a Secchi Disk to measure the depth of light penetration and can derive a rough estimate of the extent of the littoral zone.
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