YSI 6431AF Anti-Fouling Blue-Green Algae Sensor
- YSI 6431AF BGA Sensor is designed for freshwater (phycocyanin) environments
- Optimized for excellent sensitivity for monitoring algal populations at natural levels
- Insensitive to potential interferences including chlorophyll, turbidity, and dissolved organics
|616431||6431AF anti-fouling BGA (phycocyanin) sensor with self-cleaning wiper|| |
|Usually ships in 3-5 days|
|600-01||600OMS V2 Sonde with temperature/conductivity sensor|| |
|Usually ships in 3-5 days|
|606144||6144 optical probe wiper pad kit, 20 pack of wiper pad strips|
|106023-01P||FWT 25 Rhodamine WT dye, 2.5% active ingredient, 1 pint|
|606625||6625 optical wiper kit, 2 pack, for use with YSI 6150, 6136, 6131, & 6132 optical probes|
The YSI 6431AF blue-green algae sensor is fully compatible with all YSI 6-series sondes equipped with optical ports.
YSI's optical sensors use an integrated wiping system to provide anti-fouling in the most hostile environments. Durable mechanical features include a non-corroding titanium wiper shaft, replaceable wiper shaft seal, and a new switch controlled wiper parking system to prevent mis-parking.
- Range: ~0 to 280,000 cells/mL; 0 to 100 RFU
- Detection Limit: ~220 cells/mL
- Resolution: 1 cell/mL; 0.1 RFU
- Linearity: R2> 0.9999
- Warranty: 2 years
The range of the 6431AF sensor is 0 to 280,000 cells/mL and 0 to 100 RFU.
Yes, the 6431AF Sensor is compatible with any 6-series sonde equipped with an optical port.
In The News
It’s an open, dirty secret that the ocean is used as the ultimate sewage solution.
Each year trillions of gallons of untreated waste are sent to the ocean due to a widespread lack of sanitation technology or infrastructure that needs updating as cities and populations grow. As the impact of untreated sewage on the ocean becomes clearer, attention to the problem and strategies for dealing with it have not kept up.
“This is a massive problem and it’s been largely ignored,” said Stephanie Wear, senior scientist and strategy advisor for The Nature Conservancy. Wear has turned her attention to raising the alarm about the effects of sewage on coral reefs, which often loses airtime to other pressing issues like climate change and overfishing.Read More
In 2012, for maybe the first time, Lake Superior got scummy.
Visitors to the Apostle Islands National Lakeshore reported algae washing up on shore around the park.
It was a marked shift for the park, made up of a portion of the Lake Superior lakeshore and nearby islands. The water surrounding the park is cold, clear and typically low in nutrients: a combination unlikely to result in algal blooms.
But, in 2012 and again in 2018 after violent storms, major algal blooms—ones observed over multiple days—washed ashore and clogged the beaches with unsightly, scummy algae.
Not the usual suspects
The algal blooms of Lake Superior are not the algal blooms of warmer, more nutrient-rich lakes like Lake Erie.Read More
*This is part two of a series on changing ancient lakes. See part one, Lake Baikal, here .
Ancient lakes are facing a suite of rapid, unprecedented anthropogenic changes. While ancient lakes are spread around the world and vary widely from lake to lake, their incredible age, which can reach into the tens of millions of years, makes them unique resources to science.
They host incredible biodiversity and long sediment records. They are vital sources of food and water for millions of people. In a changing world, ancient lakes’ value as scientific and natural resources and the incredibly diverse life they contain is under threat.Read More