SKU: 68392338426

Secchi-Scheibe zur professionellen Bestimmung der Sichttiefe im Gewässer

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Description

Secchi-Scheibe zur professionellen Bestimmung der Sichttiefe im GewässerMit dieser robusten Secchi Scheibe bestimmst Du schnell und zuverlssig die Sichttiefe und Lichtdurchlssigkeiteines Gewssers. Sie ist aus krftigem, langlebigem Kunststoff gefertigt und damit perfekt geeignet fr regelmige Einstze bei Monitoring, Gewsseruntersuchungen und Umweltbildung. Die klassische Vierfarbteilung in zwei schwarze und zwei weie Segmente sorgt fr optimale Kontraste unter Wasser. Dadurch kannst Du przise erkennen, bis zu welcher Tiefe

Mit dieser robusten Secchi-Scheibe bestimmst Du schnell und zuverlässig die Sichttiefe und Lichtdurchlässigkeiteines Gewässers. Sie ist aus kräftigem, langlebigem Kunststoff gefertigt und damit perfekt geeignet für regelmäßige Einsätze bei Monitoring, Gewässeruntersuchungen und Umweltbildung.

Die klassische Vierfarbteilung in zwei schwarze und zwei weiße Segmente sorgt für optimale Kontraste unter Wasser. Dadurch kannst Du präzise erkennen, bis zu welcher Tiefe die Scheibe noch sichtbar ist – ein wichtiger Indikator für Wasserqualität, Schwebstoffe und Algenblüten.

Für ein gleichmäßiges und stabiles Absenken ist die Scheibe zusätzlich mit einem Senkblei ausgestattet. Am 15 cm langen vertikalen Steg befindet sich eine robuste Öse, an der Du den Karabinerhaken der Senkleine sicher befestigen kannst.

Hinweis: Die Senkleine bitte separat bestellen.

Wie benutzt Du eine Secchi-Scheibe?

  1. Befestige die Secchi-Scheibe mit einem Karabiner sicher an der Senkleine.

  2. Lasse die Scheibe langsam ins Wasser hinab.

  3. Beobachte genau, bis zu welcher Tiefe Du die Scheibe nicht mehr sehen kannst.

  4. Ziehe sie anschließend leicht wieder nach oben, bis sie gerade wieder sichtbar wird.

  5. Der Mittelwert aus beiden Tiefen ergibt die Secchi-Tiefe – den Standardwert für Wassertransparenz.

Dieses einfache Verfahren liefert Dir ein reproduzierbares Ergebnis, das weltweit in Forschung und Gewässermanagement genutzt wird.

Die Secci-Scheibe im Detail 

  • Durchmesser: 250 mm

  • Material: kräftiger, beanspruchbarer Kunststoff

  • Farben: 2 schwarze und 2 weiße Felder

  • Senkblei: integriert

  • Öse zur Aufnahme des Karabiners

  • Senkleine: separat erhältlich

Shipping Notes
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Exchange/Return Notes
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SKU: 68392338426

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4.7 ★★★★★
Based on 18 reviews
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A
Verified Purchase
Anonymous
New York, US
★★★★★ 5
Great practice
Format: Paperback
Excellent complement to the Foundations book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2024
E
Verified Purchase
Erik
Alexandria, US
★★★★★ 5
This is the book you are looking for.
Format: Paperback, Format: Paperback
After searching through about four different vocab books, I finally found one I can truly vouch for: Robert's Extremely Nerdy Guide to Digital SAT Vocabulary. Robert is actually my daughter’s SAT tutor and recommended this book. At the time, my daughter had almost given up on the vocab portion of the SAT—there were only 7 weeks left to the test date (we’re now down to just 2 weeks). Honestly, what can you achieve in that short time? Still, I decided to buy it—what did we have to lose? Because I’d already gone through so many SAT vocab books, I knew a good one when I saw it. Just flipping through the first few pages convinced me this was the right fit, and my daughter immediately got to work. The book starts with 6 sections on word roots, then moves into 26 sections of similar-meaning words. Each chapter includes a matching activity (which my daughter finds essential for retention) and ends with SAT-style practice questions. Since using this book, she spends much more time memorizing and testing words. I only wish we had discovered it earlier so she could have had more time to digest and apply what she’s learning. Before this, she was getting about 50% of vocab questions right on a good day; now, after just over a month with this book, she’s averaging 80–90%. As a side note, I’m not a native English speaker, and I’ve also learned so many words by reviewing her answers. Almost every word I’ve come across in the past and thought, “I should look this up someday” seems to be in this book—a testament to why the SAT brought vocabulary back for the digital test. This book has served my family extremely well, and I plan to start my youngest child on it earlier. Get this book, and start early.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025
J
Verified Purchase
John M McDowell
Carnegie, US
★★★★★ 5
Fantastic categories for SAT vocab
Robert’s vocab book has been a fantastic addition to my tutoring resources. My students love the ease of progression through the short chapters. It is helping tremendously with vocabulary comprehension in addition to his mock tests.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2025
S
Verified Purchase
Sinai J. Flottman
Massapequa, US
★★★★★ 5
Look no further.
Format: Kindle, Format: Kindle
After searching through about four different vocab books, I finally found one I can truly vouch for: Robert's Extremely Nerdy Guide to Digital SAT Vocabulary. Robert is actually my daughter’s SAT tutor and recommended this book. At the time, my daughter had almost given up on the vocab portion of the SAT—there were only 7 weeks left before her test date (we’re now down to just 2 ½ weeks). Honestly, what can you achieve in that short time? Still, I decided to buy it—what did we have to lose? Because I’d already gone through so many SAT vocab books, I knew a good one when I saw it. Just flipping through the first few pages convinced me this was the right fit, and my daughter immediately got to work. The book starts with 6 sections on word roots, then moves into 26 sections of similar-meaning words. Each chapter includes a matching activity (which my daughter finds essential for retention) and ends with SAT-style practice questions. Since using this book, she spends much more time memorizing and testing words. I only wish we had discovered it earlier so she could have had more time to digest and apply what she’s learning. Before this, she was getting about 50% of vocab questions right on a good day; now, after just over a month with this book, she’s averaging 80–90%. As a side note, I’m not a native English speaker, and I’ve also learned so many words by reviewing her answers. Almost every word I’ve come across in the past and thought, “I should look this up someday” seems to be in this book—a testament to why the SAT brought vocabulary back for the digital test. This book has served my family extremely well, and I plan to start my youngest child on it earlier. Get this book, and start early.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 27, 2025
M
Verified Purchase
michael s mcgibbon
New York, US
★★★★★ 5
Great list of words
Format: Kindle
Useful words, well organized. It's a valuable resource for students who are looking for points beyond grammar/notes/transitions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2025

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