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Dynamic Thermal Control Enhances Process Yields & Improves Safety


The Unistat range of high performance Huber thermoregulators from Radleys has been designed to ensure that the critical process temperatures in your laboratory or production facility run exactly as required - no compromises - every time. The proprietary Unistat system combines the efficiencies of effective thermodynamics and modern microelectronics, making it a highly efficient alternative to open bath temperature control technology.


Each model in the Unistat range is designed to provide users with state-of-the-art thermal control that will enable them to increase process yields achieve greater final product purities and gain reliable and repeatable results at low running costs.


The Unistat range offers active mechanical cooling from -120°C to +300°C. Units feature a powerful variable-speed pump with a soft start that gives the highest possible flow rates enabling the safest and fastest ramp rates - protecting your reactor and maximising the process performance. The flow and pressure of thermal fluid is closely controlled and monitored by an adaptive controller that brings a new level of precision to the thermal


control that can be delivered to a wide variety of applications.


Unistat thermoregulators employ a hydraulically sealed circulator with a fully self-contained expansion tank at atmospheric pressure, meaning that it can be located below or above the level of the application without the risk of siphoning or back-flow even during power-down. Units are also CFC and H-CFC free and have the option for 100% natural refrigerants. Most Unistat units are available with a choice of water or air-cooling, to suit your requirements.


Unistat thermoregulators feature a touch screen controller with easy to access menus, hot keys and display of all key parameters, including process temperature, jacket temperature, fluid pressure and safety settings. The controller allows dynamic data to be viewed in a real-time graphical format. Controllers can also mimic previous generation controllers so that existing users have instant familiarity.


Manufactured from rust-resistant stainless steel each model in the Unistat range is built to operate trouble-free for many years. All Huber instruments are covered by the Huber 3-2-1 warranty.


Circle no. 542 Precision Scientific Glassblowing Service


Drawing upon over 40 years experience, Radleys have established an international reputation for supplying high quality custom scientific glassware.


At a modern and well-equipped manufacturing facility in Saffron Walden, UK, Radleys experienced team of highly skilled glassblowers and product specialists have the experience and knowledge to assist in all aspects from the design stage through to manufacture. All technical advice and quotations, irrespective of the complexity of design, is given free of charge.


Ongoing investment in the latest manufacturing equipment and machine tools allows us to rapidly produce specially designed one-off pieces of glassware, or large numbers of conventional laboratory glassware items in a single manufacturing run. Access to a large team of highly skilled scientific glassblowers gives Radleys the


capacity to deal with even the most urgent glassblowing projects or repair.


Radleys specialist services include design, borosilicate and quartz glassblowing, prototype and development projects, graduating, grinding and cutting, enamel transfers, amber staining and plastic coating, installation of large systems or complex assemblies, vacuum work and glassware safety audits. Customers benefit from Radleys’ vast knowledge of glassware fittings, components, materials and manufacturing methods. Radleys’ custom scientific glassware can be supplied certified to ASTM, BP, EP and USP standards.


Whether you require a small, precision-made specialist item, a large jacketed vessel or production run quantities – Radleys can provide an unrivalled scientific glassblowing service.


Circle no. 543


MORE NEW PRODUCTS FROM RADLEYS


Heat-On Blocks Set the Standard for Organic Synthesis


Designed to operate with all leading makes of stirring hotplate - Heat-On blocks from Radleys offer a rapid and safe means of heating round bottom flasks from 10ml to 5 litres.


With increasing focus on health and safety issues many organic synthesis labs are


choosing reaction blocks located on stirring hotplates as their preferred way of heating round bottom flasks to eliminate the inherent mess and dangers associated with using oil baths and heating mantles. However not all reaction block designs offer the same level of performance, safety and operational productivity.


In comparative tests summarised in Applications Bulletin TDS02S Radleys show that the lower thermal mass of Heat-On blocks produce significantly faster heat-up times and faster post-synthesis cool down times than competitive reaction blocks. In addition the Heat-On proprietary well design, that eliminates sticking and cracking of flasks associated with other designs, maximises the heated surface area further contributing to improved heat-up times. Because of these exclusive features Heat-On blocks are more efficient – using less energy to achieve the same results, saving money and reducing environmental impact.


Circle no. 545


Hei-VAP - Intelligent Evaporation


Heidolph UK have launched the new Hei-VAP range of intelligent rotary evaporators from Heidolph. The new range with Value, Advantage and Precision options are the next generation of rotary evaporators designed around improved safety, reliability, with


greater modularity and performance.


Servicing Bench-Top Laboratory Equipment and Thermoregulators


Radleys operate a team of experienced, factory-trained engineers who are fully skilled in maintaining and repairing most types of popular laboratory equipment such as thermoregulators, water baths, rotary evaporators, hotplates, stirrers, shakers, pumps and homogenisers.


Optimising return on investment from laboratory equipment is best achieved through regular preventative maintenance to ensure instruments run efficiently and accurately, minimising downtime and delivering longer operational lifetimes.


With the Radleys Service Department you can rely on the efficiency and expertise that comes with experience. Drawing upon its team of highly trained engineers, Radleys is able to offer comprehensive Preventative Maintenance Agreements and emergency repairs on most leading brands of bench top apparatus. This investment has enabled Radleys to provide a growing range of clients in the pharmaceutical, chemical, government and academic sectors,


with access to top quality service support designed to give complete peace of mind and to save money.


In all instances Radleys service engineers seek to minimise down-time and provide a practical, cost effective and timely solution to whatever issue you might experience with your equipment be it for warranty work, service visits or an emergency call-out.


Circle no. 544 To find out more about Radleys please visit www.radleys.co.uk or call +44-1799-513320


The Hei-VAP range features a novel detachable operating panel, which allows precise control of all important parameters outside the fume hood. Advantage and Precision options feature an easy to read LCD display. In addition, an upgraded design of heating bath has enhanced safety features, heats to an unmatched 210°C, accepts large flasks up to 5 litres and features a convenient pouring spout for spill free emptying.


All Hei-VAP units feature a new integrated flask clamp which has been designed to aid removal of flasks from the drive, without jamming. The patented glass vapour tube, clamping sleeve and graphite filled PTFE seal are engineered to reduce wear and consumption of spares by up to 75%.


The new entry level Hei-VAP Value offers analogue control with an easy to use hand lift at an affordable budget and is ideal for all standard evaporating applications. The mid range Hei-VAP Advantage features a LCD digital display for control of rotation speed, heating bath and display of vapour temperature. The Advantage model also includes a new automatic process timer, which turns off the evaporator at a pre-programmed time and on motorised lift models, removes the evaporating flask from the bath.


The top of the range Hei-VAP Precision has integrated vacuum control and is designed for the most demanding applications. The Hei-VAP Precision has a large colour LCD graphic display with vacuum control for automated distillations. The unit is ideal for all kinds of difficult applications and easily prevents foaming, excessive bubbling and bumping. The Hei-VAP Precision’s microprocessor control allows users to store programmes for common applications, pre-program vacuum gradients, control process time and includes a USB data interface.


Circle no. 546


LABMATE UK & IRELAND - AUGUST 2009 - ADVERTORIAL


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