26 Optimised Flow Meters for OEM Applications


Drawing upon over 40 years expertise and experience, Titan Enterprises are able to work with customers to produce flow meters of the highest standard for a broad base of Original Equipment Manufacturer (OEM) applications.


For OEM collaborations Titan look to produce an optimised flow meter to match your exact application requirements and not compromise achievable results with a less than ideal sensor. The resultant device will be unique to your application but will still benefit from Titan’s well tried and tested modern manufacturing methods to ensure a competitive, high quality OEM solution. From an initial concept Titan can offer a complete service from budget costing through prototypes to full production. Often the cost of origination and tooling can be amortised over the life of the product. It may be as simple as replacing an obsolete product right through to developed a fully bespoke product tailored to the customers precise requirements.


Titan has partnered with OEM customers to provide optimised flow metering solutions for a wide range of applications including disposable medical flowmeters, dirty water flowmeters for cooling of glass bottle shears, bespoke oval gears for marine fuel flow, corrosion resistant meters for sterilising equipment and high pressure intrinsically safe units for offshore oil drilling additive injection.


All OEM flow meters produced by Titan are designed and manufactured to ISO9001 and calibrated to an uncertainty of ±0.25%. The company produces chemically resistant, high accuracy digital flow meters that are not only competitively priced but are engineered to give long-term reliable performance 30916pr@reply-direct.com Reaction Monitoring Experiments for Benchtop NMR Spectrometers Announced


The Magritek Spinsolve high-resolution benchtop NMR spectrometer can be installed directly in a fume hood of a chemistry lab to monitor the progress of chemical reactions on-line. Reactants can be pumped in continuous mode from the reactor to the magnet and back using standard PTFE tubing.


The reaction itself can be carried out at temperatures of up to about 100°C. When the reaction mixture is pumped through the bore of the magnet using 2 mm o. d. PTFE tubing, it naturally cools down to 30°C or lower as it flows along the length of the tubing at room temperature. For reactions where maintaining the elevated temperature is critical, Magritek has put together a simple but effective flow set-up for on-line monitoring. It comprises a Dewar of 5 mm o. d. and 2.25 mm i. d. that is mount ed in the bore of the Spinsolve to minimise any heat transfer from the flowing sample to the magnet. The pump, which can be set to operate in continuous or stop-flow mode to acquire points with a time resolution of about 15 seconds, is placed in the flow-loop after the magnet in order to minimise the tubing length that goes from the reactor to the sensitive volume of the Spinsolve.


This approach to reaction monitoring has been demonstrated on a number of classical chemical reactions. For example, acetalisation is a common reaction in organic synthesis where an acetal is produced from an aldehyde and an alcohol. In the example here, acetaldehyde reacts with methanol to produce acetaldehyde dimethyl acetal. The reaction was performed in DMSO to prevent evaporation. With data being collected every fifteen seconds over a total period of one hour, the user could follow waterfall plots to show the decrease of acetaldehyde as it was used up together with the corresponding rise of the acetaldehyde dimethyl acetal.


These and many other reaction systems are described in the growing library of applications notes and case studies which are freely available for downloading from the Magritek website.


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New Combined Professional pH Meter and Thermometer Introduced


The new 8100 Plus pH meter kit from Electronic Temperature Instruments Ltd is supplied with everything you need to take pH and temperature measurements either in the laboratory or in the field. The 8100 Plus pH kit is specifically designed for maximum portability, and includes a pH electrode and temperature probe.


With the 8100 Plus pH meter you can test the pH directly, but for a higher degrees of accuracy, or for hard or dry materials where the electrode may be damaged, preparation of a diluted sample is recommended.


The 8100 Plus pH meter incorporates a clear custom LCD that shows the pH value from -2 to 16 pH with a 0.01 resolution, and displays the temperature over the range -39.9 to 149.9°C. With a menu-driven custom microprocessor, the user is helped with clear prompts during operation and calibration. The unit comes with everything needed to test the pH or temperature, including a rugged carrying case to make your pH kit fully transportable.


The 8100 Plus pH meter housing has an integrated rubber seal to ensure complete water resistance and helps to reduce the possibility of damage in harsh environments. At the touch of a button, the instrument will automatically re-calibrate (2 point autocal) itself when used in conjunction with pH buffer solutions.


The 8100 Plus pH meter kit is competitively priced at £120.00 exclusive of VAT and available direct from www.etiltd.com ordering code 225-085. 30287pr@reply-direct.com


Quantitative Imaging Mode of the NanoWizard 3 used for Tissue Engineering Studies in Japan


JPK Instruments reports on the use of the Quantitative Imaging mode for tissue engineering studies at Niigata University. Tomoyuki Kawase is an associate professor at the Institute of Medicine and Dentistry at Niigata University. His field of expertise is tissue engineering about which he has published several key papers. Professor Kawase is interested to determine the optimal stiffness or elasticity of cell scaffolding materials. In addition, it is also important to demonstrate dynamic changes in cytoskeletal fibre formation in response to the mechanical property of scaffolds.


Prior to learning about JPK’s instrumentation, Professor Kawase used fluorescence microscopy and scanning electron microscopy. However, these instruments cannot determine the elasticity of materials and cells. Under the overall banner of atomic force microscopy, AFM, it is possible to study multiple properties of soft materials under aqueous conditions. Speaking about his choice of the NanoWizard®


3


BioScience AFM system with the unique Quantitative Imaging, QI™, mode, Professor Kawase said his motivation was definitely the scanning speed. “For me, the QI mode seems technically easier than other modes especially in terms of softer materials such as living cells. I find that the JPK AFM is organised simply, and so is tough enough for a heavy user load. It is nd trouble-free and easy to maintain.”


QI™ is the new quantitative imaging mode from JPK which was developed to make AFM imaging easier than ever before. With QI™, a force curve based imaging mode, the user has full control over the tip-sample interaction force at every pixel of the image. There is no longer a need for setpoint or gain adjustment while scanning. It is particularly powerful when imaging soft, sticky or loosely attached samples or samples with steep edges. QI™ comes as standard with the NanoWizard®


3 family of AFMs. 29959pr@reply-direct.com


LABMATE UK & IRELAND - AUGUST 2014


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