Windaus-Labortechnik Viewing Window/Secchi Disk 250 mm Diameter, Four-Segment Design (Two Black Sections)

The Windaus-Labortechnik Viewing Window, also known as a Secchi Disk, is a vital tool for assessing water clarity and light penetration. Designed with a 250 mm diameter, it features a four-segment configuration with alternating black and white sections to enhance visibility during measurements. Constructed from durable, hard-wearing plastic, the disk includes a lead weight to facilitate smooth lowering into the water. An approximately 15 cm high rod equipped with an eyelet allows for easy attachment of a lowering line, which is marked at 50 cm intervals for precise depth readings. Please note that the lowering line is sold separately.

Key Features:

• Brand: Windaus-Labortechnik
• Diameter: 250 mm
• Design: Four segments with two black and two white areas for improved visibility
• Material: Sturdy, hard-wearing plastic with lead weight for stable lowering
• Rod: Approximately 15 cm high with eyelet for attaching lowering line
• Lowering Line: Marked in 50 cm intervals (sold separately)

This Secchi Disk is essential for environmental monitoring, research, and educational purposes, providing reliable measurements of water transparency and light penetration.