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**Upcoming Holiday**
Please note our office will be closed on Monday, May 28th in observance of the Memorial Day holiday. We will re-open for regular business on Tuesday, May 29th. Please feel free to send us correspondence during this time and we will reply to you when we return

Welcome to Turner Designs

For over 45 years we have specialized in providing sensitive, reliable and easy-to-use fluorometers for environmental and industrial uses. We believe we supply more of these kinds of instruments than any other company in the world.

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Latest News

Blurred Lines: Autotrophic and Heterotrophic Food Resources and Macroinvertebrate Communities in Headwater Streams

Congratulations to Rebecca Eckert who was awarded a Travel Stipend for her poster presentation at the 2018 SFS Annual Meeting featuring our Trilogy Laboratory Fluorometer. Abstract Food webs of temperate, forested headwater streams are energetically supported by leaf debris decomposed by microbes and macroinverte ...
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Detection of UV-treatment effects on plankton by rapid analytic tools for ballast water compliance monitoring immediately following treatment

The effects on phytoplankton from UV treatment systems is an area of concern as some methods may run into problems when trying to accurately estimate cell counts after UV treatment.  A detailed study by Bradie et al in Journal of Sea Research (2018) explored how well rapid indicative tools can estimate cell counts compared ...
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Summary of Ballast Check 2 as an Assessment Tool for Monitoring Ballast Water Discharge Compliance in Hawaii

In 2017 the Department of Land and Natural Resources (Division of Aquatic Resources), headed by Julie Kuo, finished testing a Ballast-Check 2 Handheld Fluorometer which is used for rapidly indicating if ballast water is within compliance levels set by D2 discharge standards. Results showed that the Ballast-Check 2, optimize ...
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New Ballast-Check 2 Data Reporting

Turner Designs recently developed new data reporting software which ensures data integrity as requested by Saudi Aramco.  The new software writes Ballast-Check™ 2 results directly to a PDF report which cannot be altered.  Saudi Aramco is now able to ramp up their use of indicative compliance tools for collecting dat ...
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DataBank Handheld Datalogger now includes Internal GPS

Turner Designs’ Databank Handheld Datalogger is upgraded to include an internal GPS chipset allowing users to log GPS coordinates along with measurement data for location tracking.  Using GPS & GLONASS Global Navigation Satellite System, DataBank provides horizontal position accuracy of 2.5 meters.  DataBank stores ...
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Ballast-Check 2 approved by Saudi Aramco for Indicative Compliance Testing

Following detailed scientific and technical evaluation by the Environmental Protection Department of Saudi Aramco, the Turner Designs’ Ballast-Check 2 Handheld PAM Fluorometer (USA) is approved as a valid Ballast Water Sampling Instrument.  Saudi Aramco will now accept results from certified technicians using Turner Desi ...
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PhytoFind in situ Algal Classification

Simplifies Identification of Harmful Algae >>Learn More

CyanoFluor Handheld HAB Indicator

Early Warning of HAB conditions >>Learn More

AquaFlash Handheld Active Fluorometer

Total Chlorophyll & Photosynthetic Efficiencey >>Learn More

PhytoFind in situ Algal Classification CyanoFluor Handheld HAB Indicator AquaFlash Handheld Active Fluorometer
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Predicting HAB Events with the CyanoFluor