Water Blogged 

Irrigation District Relies on Continuous Water Usage Information

07/27/16

Monitoring continuously provides vital water usage information. Construction on the Derby Dam was initiated in 1903 on the Truckee River located northeast of Reno, Nevada. The Dam would assist in diverting water from the Truckee River, to be used in irrigation. In 1927, Truckee-Carson Irrigation District (TCID), a political subdivision of...

Keep Reading


The Science of Phosphorus | Blog Series | 3 of 5

07/26/16

The two most common measurements of phosphorus in wastewater are Total Phosphorus (TP) and ortho-phosphate (OP). TP is typically the compliance parameter required by NPDES discharge permits; OP is a useful process control parameter. TP is measured following...

Keep Reading


Read more at our blog

This webinar will feature YSI customer case studies and explain how they are saving money, reducing energy and improving their plant’s operational efficiency with the IQ SensorNet

Register to Attend


Welcome to YSI.com

YSI has served the environmental, water quality and Life Sciences markets for over 65 years. The website was designed for you - to help you learn, review and quickly find the products and information you need to perform your job.

Buy Online
In order to provide a convenient experience we now have online buying for many of our products to the US audience. If a product is available for purchase there will be an 'Add to Cart' button on the product page. YSI products are also available through our distribution partners. To locate a distributor please visit the 'Find a Distributor' page.

Request Pricing 
All of our product pages will have an option for you to request pricing. By simply clicking the button, or link, and providing some information, we will have one of our knowledgeable YSIers provide assistance and pricing.  We encourage you to provide your feedback at feedback@ysi.com.