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New Digital Ceramic Top Hot Plate Stirrers Family
The Velp Scientifica Ceramic Top Hot Plate Stirrers Family AREC, AREC.X and AREC.T are provided with a reflective white ceramic top (it can reach up to 540°C in a just few minutes), excellent for observing changes of colour (such as titrations), as well as highly resistant to alkali/acid corrosion and scratches and compatible with metallic containers and easy to clean.
Innovative design with control panel separated from the ceramic top, assuring complete safe operations. The bright red digital display visualises repeatable and accurate temperature settings and stirring function on/off.
Safety features include a ‘Hot Plate’ digital warning sign which is constantly displayed during operations when the temperature is above 50°C and flashes when the unit is switched-off until the temperature cools below 50°C.
Circle no. 412
• Digital LED Display for easy readability along with audible alarm
• Single knob operability for ease in use
• Microcontroller based temperature feedback control
• Separate failsafe mechanism in temperature for safety
• External and internal temperature control by Pt-100 sensors
• Digital User adjustable Maximum set temperature control
• Blinking Hot top warning indication with backup for temperatures above 50
o • PC Communication ability C Analogue Model also available Circle no. 413
New Series of Refrigerated Centrifuges Offer Coolest Technology
Smooth, Variable Speed Mixer is Compact & Lightweight
Recirculating Evaporator Offers Efficient Drying Environment
Nickel-Electro has the pleasure of announcing the release of the NE040 Series of Refrigerated Centrifuges.
The refrigerated centrifuge is suitable for use in medical, industrial and scientific applications using accessory angle head rotors for tubes, microtubes, pcr tubes and haematocrit tubes.
The maximum rotational speed of 16,200rpm produces a centrifugal force of 25,000g, using a quiet brushless induction motor. The speed can also be set in RCF and there is automatic rotor recognition for safe running speeds. Even when the rotor is running at maximum speed, the refrigerated cooling system is able to maintain 0ºC and the 'Fast Cool' function can provide a reduction in temperature from 20ºC to 4ºC in only 20 minutes.
The brake and acceleration control includes a 'Quick Run' push-and-hold function, and the rotors can be autoclaved. For safe running and use, the refrigerated centrifuge features an electronic control with a wide number of programming options, along with built-in error detection, preventing incorrect values being accidentally entered. Up to 10 programmes can be saved whilst the last program run remains stored in the memory for convenient re-use.
All Nickel-Electro products carry a 3-year guarantee. Circle no. 414
Smooth, fast and efficient mixing with minimal vibration across all speeds is an important requirement for many laboratory applications and the new variable speed Vortex Mixer from laboratory equipment specialists Cleaver Scientific is an ideal solution. Unlike other vortex mixers that use elliptical orbits, the VX-200 deploys a true circular orbit mixing technique which facilitates uniform sample vortexing, even at low speeds.
The CombiCup™ head, which is supplied as standard, accepts many different tube sizes, while the unique over moulding technology used in its manufacture provides a robust, sturdy core with non-slip TPE that fits optional heads for microplates, PCR strip tubes, 15ml and 50ml tubes and blood vials.
The VX-200 can be used in ‘touch’ or ‘continuous mode’; touch mode being activated by simply depressing the sample head and then stopped by releasing the pressure. Other features include an optimised counter-balance system that minimises vibration and movement of the mixer during operation.
However, despite these features and robust design the mixer is compact and lightweight, measuring 14cm x 16cm x 13cm and weighing just 2.2kg enabling the mixer to be easily transported and used in laboratories where space is restricted. The mixer, which is safe for use in temperature controlled environments, is available in two power/speed options, 115V producing between 0-2850 RPM and 230V which provides between 0-3400RPM.
Circle no. 415
The Centrifan RE from Modular SFC evaporates fractions 3 - 5 times faster than conventional benchtop vacuum centrifuges or blow down concentrators without the need for a vacuum pump. The standalone device utilises the gas flow created by a spinning rotor along with a heater to dramatically accelerate the evaporation of aqueous and organic solvents. Compared to traditional benchtop concentrators that use either a water bath or infrared lamps, the Centrifan RE provides a more efficient, sample-friendly drying environment.
PITTCON NEWS
Because the Centrifan RE operates without vacuum, there is no chance of sample bumping or cross contamination. The instrument also saves energy, laboratory space, maintenance, and eliminates oil cleanups, heat, noise and tubing typically associated with a vacuum pump.
The Centrifan RE employs a unique recirculation process (patent pending) that redirects the gas flow created by the rotor through passages to the surface of the liquid inside the evaporation vessel. This aggressive blow drying continuously sheers off the top layer of the liquid while the centrifugal force holds the non-volatile compounds securely in place. Tests demonstrated no detectable loss of sample (MW=194) during the evaporation process.
The Centrifan RE is available with various rotor configurations to accommodate a variety of popular sample container formats.
Circle no. 416
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