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New Position Switches Boost Productivity of Hydraulic Machine Systems
New Magnetic Beads Enable Faster Protocols
Amsbio has announced a new range of MagSi magnetic beads that incorporate a novel ferro fluid to combine the advantages of small beads and large surface with the magnetic performance and strength of larger beads.
While the new High Magnetic Content (HMC) beads typically offer 4-6 times faster separation than competitive products they also offer a perfect solution for replacing other brands such as Dynabeads®
- without major changes in protocols or handling. Other advantages of
MagSi beads with new HMC technology include higher yields especially in assays with complex binding kinetics, faster protocols can be used even in highly viscous solvents and samples, and they offer better reproducibility.
The MagSi bead range covers most of the application areas in genomics and proteomics. The products are proven in low, medium and high throughput protocols. The MagSi particles are high quality magnetic beads with unique surface and physical properties. MagSi products have a proven track record for manual use and many robotic platforms (Beckmann® Roche®
, Tecan® and others). Circle no. 189 , IDS® , Xyril® , Stratek® , Hamilton® ,
A new range of advanced, magnetically-operated position switches has been launched by Parker Hannifin. Called
Read.me position switches, the new devices provide a simple and reliable method of enabling the stroke position of hydraulic cylinders to be determined accurately and consistently, thereby enabling machine performance, functionality and productivity to be enhanced.
Read.me switches are being introduced initially for use with Parker’s widely used, high performance HMI and 2H steel cylinders and will offer engineers an effective alternative to traditional and often unreliable position sensing mechanisms.
The new Parker
Read.me switch has been designed as a low profile external device, which can be used on conventional steel bodied cylinders operating at full rated pressures.
Cylinders fitted with
Read.me switch technology incorporate powerful magnets mounted around the circumference of the piston. During initial setup, the magnets are used to format the cylinder body, simply by completing a full extension and retraction cycle of the piston, which imparts a residual magnetic field to the steel body.
Read.me switches can then detect the position of the piston magnets as they pass beneath each switch, as the piston magnets create a stronger magnetic field with opposite polarity to that of the residual magnetism of the cylinder body. Each switch can therefore be located in the exact position required, with external red and yellow LEDs making it quick and simple to determine the precise sensing point before the switch is then locked firmly in place.
In operation,
Read.me switches produce high levels of repeatability, to within 0.5mm, and can be used with Parker’s HMI and 2H cylinders at speeds of up to 0.5m/sec and at pressures of 210bar. As the sensing point is at the end of the switch, it enables each device to provide absolute end of stroke positioning when used at the cap end of the cylinder and within a maximum of 3mm of the end of stroke at the head end; this level of performance is equivalent to, or better than, most conventional end of stroke switches.
Circle no. 190
WHEN IT COMES TO THE FEATURES I NEED MY SOCOREX MICROPIPETTES HAVE THEM ALL
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Excellence in ergonomics Light weight and softness in use Adjustable tip ejector* fitting most tips Swift-set user calibration system* Unsurpassed metrologic performance and stability
Shock, UV-light and autoclaving resistance * Socorex patents
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Contact:
sales@intlabmate.com Circle no. 191
INTERNATIONAL LABMATE - AUGUST/SEPTEMBER 2010 - LABORATORY PRODUCTS
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