Magnetic hotplate stirrers, Professional series

Supplier: VWR, part of Avantor


VWR®
444-0639EA 1570 EUR
444-0639 444-0638 444-0629 444-0635 444-0634 444-0637 444-0636 444-0631 444-0630 444-0633 444-0632 VWRU97042-754 VWRU97042-764 444-0640
Magnetic hotplate stirrers, Professional series
Stirrers Magnetic Hotplate Stirrers
VWR Professional hotplate stirrers are designed for applications that require exceptional accuracy, stability and repeatability. Enhanced microprocessor control offers an external resistance thermometer (RTD) probe option that delivers superior temperature control of the sample. Stirring function, with continuous duty motor and powerful magnet, maintains set speed even under changing load or viscosity. Touch pad controls with easy to read, independent LED displays for temperature, speed and time, allow operator to view all settings at once. Rear housing features a built-in support rod holder with locking knob that accepts the supplied probe kit.

  • Excellent temperature uniformity with consistent stirring at all speeds
  • Separate digital displays for temperature, speed and time; show set and actual values. Display will show last used settings, even after power has been turned off
  • Cool touch, chemically resistant housing
  • Includes external RTD temperature probe kit
  • Choice of models with ceramic or aluminium top plates

Low profile design takes up less space and fits into fume hoods. Spill resistant housing channels fluids away from internal components. A 'hot' symbol warning light is illuminated when heat is turned on and remains on until top plate cools down. Stir protection; if stirrer motor stops or fails, unit will automatically shut down heater. Plate over-temperature limit ensures plate temperature will never exceed users programmed set temperature limit, allowing for control of sensitive flash points. An audible alarm will sound when time reaches zero or when unit reaches set point temperature in timed mode, and if the probe disengages from sample, unit will automatically shut off heater. Microprocessor control with enhanced electronics regulates both heating and stirring and brings samples to temperature quickly and efficiently. Ramping feature slowly increases speed for improved safety and enhanced coupling. Avoids splashing, improves spin bar control and provides excellent low end speed control. Ceramic tops feature a chemically resistant, reflective white top plate surface that is easy to clean. Durable aluminium tops will not crack or chip, and provide a more even heating surface.

Delivery information: Each unit is supplied complete with a 203 mm stainless steel PT1000 temperature probe, a 457 mm stainless steel support rod, thermometer/temperature probe extension clamp, hook connector and a PTFE coated magnetic stirring bar.

Caution: * Below 100 °C ±2 °C environmental and sample conditions permitting. Caution: If you are using a probe accessory with a Professional unit, make sure you don’t exceed a sample temperature of 250 °C, otherwise the probe tip might become damaged.
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