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**Upcoming Holiday Shutdown**
Our office will be closed December 25th through January 1st for winter holidays. We will re-open for regular business on Tuesday, January 2nd. We wish you all the best this holiday season and look forward to working with you in the new year.

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Turner Designs News - Vol. 31 September 2015
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There is a lot happening at Turner Designs – several new products are in full swing (FluoroSense, Ballast-Check 2 and 0-10,000 ppm C-sense), many customers are sending in articles about their deployments, and we’re relocating to a new facility! Rather than bore you writing about everything here, I’ll keep it short and let you read on. Many thanks for all your business and feedback on how we can best serve your monitoring needs.

Best Regards,
Pam Mayerfeld
VP of Marketing & Sales
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FluoroSense Handheld Fluorometer Ideal for Quick In Situ Chlorophyll Estimates
Turner Designs is very excited to announce FluoroSense – the smallest, easiest to use handheld fluorometer for measuring in vivo chlorophyll. The simple two-button keypad enables users to quickly power on the instrument and take a reading to estimate chlorophyll in almost any aquatic habitat.  
>>Read More
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Ballast-Check 2
now shipping with accessories
After fantastic feedback from scientists and ballast water treatment system manufacturers, the Ballast-Check 2 is now released and shipping with a complete set of accessories including everything that is needed for quick indicative checks of ballast water. Configured in a lightweight carrying case, accessories include 2 each 10x10mm glass cuvettes, 60cc sampling syringe, filters for size class fractionation of algae, a filter washing kit to enable reuse of the filters, and cables for downloading data to a computer. Also included is a calibration check standard which enables a quick confirmation of the Ballast-Check 2’s factory calibration. >>Read More
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10,000 ppm C-sense now standard
Our C-sense pCO2 sensor continues to get great responses from customers. Per your request, we now offer 0-10,000 ppm as a standard sampling range for the higher pCO2 levels often seen in headwater streams, large rivers and associated riparian wetlands. C-sense can be configured with our DataBank handheld datalogger for surface water measurements or PME’s submersible logger, rated to 600m depth. 
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Cyclops-7 Logger now has USB
Various upgrades have been implemented to the Cyclops-7 Logger. Users no longer need to extract the SD card, use an RS232 converter and install drivers as there is now a simple USB interface. The updated software and user interface allow for easier operation, software installation, and data retrieval. Also, an LED is now on the logger board to describe various states of the logger according to the color being flashed. We're very happy to see these great improvements to an already popular product. For more information on this upgraded version, contact Precision Measurement Engineering (PME).
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High Capacity Battery for C6 and C3 Submersible Sensors
Turner Designs is excited to announce the release of a High-Capacity battery for the C-series sensors. With this accessory, customers are now able to significantly extend the length of deployments for the C3 Submersible Fluorometer and the C6 Multi-Sensor Platform. Providing 6600 amp hours instead of 2200 amp hours, the high capacity battery (PN 3200-600) will last 3 times as long as the standard capacity battery (PN 2200-601). As an aid to planning deployments with batteries and C-series instruments, a battery calculator is available on our website.
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Cyclops Integrator Secondary Solid Standard
Cyclops Integrator easily integrates into vehicles providing one, two, or three optical sensors ranging from deep ultraviolet to infrared at depths up to 1,000m. The challenge is how to check the stability and calibration of the optics with the Cyclops Integrator installed in a vehicle? This was one of the first requests we received from customers when we started shipping the Cyclops Integrator. Building on the success of our C3 Secondary Solid Standard, we now offer a Cyclops Integrator Secondary Solid Standard (SSS) which can be used in place of a primary liquid standard to check instrument or sensor stability over time. The SSS provides a broad range of stable fluorescent response and can be set to a desired signal using the adjustment screw. >>Learn More
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Field Comparison Guide
With our introduction of the FluoroSense, Turner Designs now has an even wider selection of instruments for field use. We created a simple comparison guide providing a snapshot of the differences between the AquaFluor, FluoroSense and Cyclops-7 + DataBank to help you determine which instrument is the best fit for your application.
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Presentation: Cyclops Integrator
VP of Marketing and Sales, Pam Mayerfeld, hosted a presentation featuring our Cyclops Integrator at Ocean Business earlier this year. >>View the presentation
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Upcoming Tradeshows
Miami, FL, USA
September 24-25, 2015
Reference VIP code FKT2892TDWL to save 25% on registration

Booth# 333
Washington, D.C., USA
October 19-22, 2015

Booth# TBD
Portland, OR, USA
November 8-12, 2015

Booth# TBD
Saratoga Springs, NY, USA
November 17-20, 2015

Booth# 1213
San Francisco, CA, USA
December 14-18, 2015

2016 Ocean Sciences Meeting
Booth# TBD
New Orleans, LA, USA
February 21-26, 2016

Booth# TBD
Las Vegas, NV, USA
February 22-26, 2016

Booth# G501
London, Excel
March 15-17, 2016
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Turner Designs       
845 W Maude Avenue
Sunnyvale, CA 94085
P: (408) 749-0994
E: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
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INSTRUMENTS IN ACTION
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Rapid Ballast Water Testing with the
Ballast-Check 2 Handheld PAM Fluorometer
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Triton Marine Science & Consult employed the Ballast-Check 2 Handheld PAM Fluorometer while performing testing of an ultrasound ballast water treatment system. Triton found the Ballast-Check 2 to be accurate as well as easy to use. >>Read full case study 
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Ballast-Check 2 Sea to Sea Trials aboard the RV Meteor
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Turner Designs participated in a 10 day research cruise aboard the RV Meteor, a research vessel owned by the Federal Republic of Germany, through the Ministry of Research and Technology (BMFT) and funded by the German Research Foundation (DFG). The image above shows the cruise track which began in Mindelo, Sao Vicente (Cape Verde Islands) just off the coast of Africa and ended in Hamburg, Germany. Research was focused on ballast water sampling techniques and protocols, utilizing multiple labs and vendors to determine the best methods to employ. Various instruments were used to aid in the analysis (fluorometry, FDA, ATP, microscopy). Samples analyzed were either untreated surface samples, UV treated samples, or ballast tank samples that were held for a specific period of time. Turner Designs volunteered the Ballast-Check 2 to help with this study. >>Read More
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Alternative, Indirect Measures of Ballast Water Treatment Efficacy during a Shipboard Trial
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Three members of the global Testnet group performed a shipboard study to compare the performance of different techniques in assessing BWTS compliance and to test the feasibility of compliance assessment by Port State Control using different laboratories. >>Read full case study
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Monitoring CO2 for Aquaculture
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Lisa Goldie, a water quality researcher at Hubbs SeaWorld Research Institute, evaluated a 0-4,000ppm C-sense combined with a C-sense logger.
The C-sense and logger were placed in a small tank with White-Striped Sea Bass and CO2 concentrations were measured every 10 minutes. A chemical was periodically added to the tank to control the CO2 concentration. The C-sense logger was critical for determining if this particular chemical was effectively removing the CO2 from the tank.
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Project MAGI
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The winners of the Liquid Robotics PacX Challenge deployed their Wave Glider, Honey Badger, at the end of May on a six month mission called MAGI. The goal of the mission is to sample the late summer phytoplankton bloom that develops near the 30th parallel North (30oN) in the Pacific Ocean. Honey Badger is configured with several Turner Designs instruments including two C3 Submersible Fluorometers measuring Chlorophyll, CDOM, & Phycoerythrin and a PhytoFlash Active Fluorometer to measure photosynthetic efficiency.
Follow Honey Badger at their project home page and blog.
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Water Quality Monitoring of the Upper St Lawrence River Using Remote Sensor Arrays Placed in a Hydropower Dam Combined With Hydrodynamic Modeling
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Donation Program Update
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In August of 2014 we awarded the loan of a Tryptophan Cyclops-7 Sensor to Eastern Kentucky University via our Donation Program. The awarded instrument was used with a DataBank Handheld Datalogger to determine if E. coli results can be obtained faster using fluorometry.
The microbial contamination of waterways by fecal microbes, and specifically, pathogenic microbes, presents a major problem in the United States and worldwide. The World Health Organization (WHO) estimates that diarrheal diseases account for 1.8 million of the 3.1 million water-related deaths per year worldwide (Yan et al. 2007). Recreational waters are susceptible to a variety of microbial pollution sources containing pathogenic microorganisms that can cause GI, upper respiratory tract, ears, eyes, nasal cavity and skin infections (Seurinck et al. 2006). Existing approaches typically used for measuring fecal indicator bacteria take 18-24 hours, which is too long since water conditions may change rapidly putting swimmers at increased risk. Faster methods for water quality determination include the use of lake-specific predictive models and expensive molecular methods, but results from these models can be grossly inaccurate. An alternative approach uses real-time tryptophan fluorescence. . >>Read full presentation
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Travel Stipend Program Update
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In July of this year we awarded a travel stipend to Astrid Harjung, of the Universitat de Barcelona in Spain, for her presentation at the GRS Gordon Research Seminar titled "Changes in DOM quantity and quality in the hyporheic zone during drought." Congratulations to Astrid and thanks for using Turner Designs instruments in your research.
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TECH CORNER
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How do I know what module to select on the Trilogy GUI?
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Fortunately this is easy and straightforward to answer. Each Trilogy module has information on the label that needs to be input into the Trilogy GUI (Graphical User Interface) telling the Trilogy what module is being used. The Trilogy then accesses programming to define the LED power requirements and adjusts the LED current drive appropriately. Even the development kit and most custom modules will list the GUI Selection on the label. If not, you can contact our This e-mail address is being protected from spambots. You need JavaScript enabled to view it for assistance. For the Development Kit you should select the option that is determined by the specific LED you are using. Whether you are setting up the Trilogy for the first time or changing modules and applications, this information is required.
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C-sense Sampling Considerations
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While the C-sense is a relatively easy instrument to use, there are certain characteristics of operation that should be understood in order to measure pCO2 as accurately and precisely as possible. Equilibration time and warm-up time are the two which seem to cause the most confusion when measuring pCO2.
Equilibration time is defined as the time required for the ambient concentration of carbon dioxide gas to equilibrate across the C-sense membrane. Often the equilibration time is stated as a T63 level, or the time it takes for 63% of the equilibration to occur. The specified T63 level for the C-sense is 4 minutes. >>Read More
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GENERAL ANNOUNCEMENTS
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We’re moving!
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After 25 years at our location in Sunnyvale, we’re very excited to be moving to new facilities in San Jose. We’ll be upgrading from 15,000 square feet to over 20,000 square feet in a much newer building. We expect to move in early 2016 – we’ll be sure to announce as soon as we know exactly when.   
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New GSA Contract
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We have a new GSA contract, GS-07F-185CA.   This e-mail address is being protected from spambots. You need JavaScript enabled to view it to receive quotations for any of our products. 
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