The oceanographic secchi disk is, by
definition, white on one side, black on the other. Lower it into shallow
water until the white can no longer be seen and record its depth.
Reverse the disk and lower it again, recording the depth for the black
side. White side can be used with Forel-Ule Color Comparator Kit.
Specifications:
200 mm (7-7/8??) in diameter
Same white acrylic used since 1938
Acrylic with stainless steel eye bolt and reversible weight
Sounding line kits include oceanographic secchis.
TOKO MARGA SETIA SURVEY
Berdagang alat- alat Kelautan, Alat Selam, Perahu Karet,Alat Keselamatan,
GPS Garmin, GPS Magellan, Alat Survey, Alat Ukur dan Aksesoris Alat Ukur.
Current Meter.Anemometer ,Anemometer Wireless,Weather station
Untuk keterangan, nego harga dan informasi produk lainnya, hubungi :
Name : tatang survey
Alamat : Jl .H.Kelik No.20 RT.03 / RW.08 Kelapa Dua Kebon Jeruk Jakarta Barat
Email : tatangms409@gmail.com
Telp : 082124100046
WhatsApp :082124100046
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