Stuart Scientific SD162 Digital Stirrer Hotplate, 300°C, Aluminium Plate, 200 to 1300rpm, 700W

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  • With fitting for retort rod and supplied complete with PTFE coated probe and 2 x 25mm PTFE coated stirrer bars.
  • 1st July 2021 discontinued and replaced with the SP and CP Series
 SD162
Plate materialAluminum silicon alloy
Plate dimensions, mm160 x 160
Heated area, mm160 x 160
Heater power, W700
Display resolution °C1
Max. plate temp. °C with probe °C300
Stirrer speed200
Control accuracy with probe °C±0.5°C
Stirrer speed, rpm200 to 1300
Max. stirring capacity, litres15
Net weight, kg3.4
Overall dimensions (w x d x h)190 x 300 x 110
Electrical supply230V, 50Hz
Call 01463 830401 For Any Assistance
  • Digital setting and control of both temperature and speed
  • Supplied complete with a temperature probe for accurate control of liquid temperature
  • Advanced safety features:
  • Flashing "Hot" warning light
  • Independent safety circuit to protect against overheating
  • Choice of robust aluminum or chemically resistant ceramic tops


Sophisticated stirrer hotplates offering digital control of both temperature and stirring speed. Comes complete with a detachable PTFE coated probe which when immersed in a liquid sample can very accurately control its temperature to within ±0.5°C even over a very long period of time.

As the hotplate heats the sample to the set temperature, the advanced microprocessor automatically measures the rate of temperature rise to judge the capacity and nature of samples (e.g. oil or aqueous). It then optimizes the heating rate to minimize overshoot and time to the set point. An audible alert sounds when the set temperature has been reached. 

Both set and the actual temperature of the sample are displayed simultaneously on a bright, easy-to-read vacuum fluorescent display. For maximum security, an independent safety circuit automatically sets to 20°C above the set temperature and shuts off the heater if the temperature exceeds this. Therefore, the hotplate is safe to leave on continuously, even unsupervised e.g. overnight. Internal electronic components are protected against corrosion with a special coating.

Stirring action gives much better temperature uniformity within samples because the liquid is mixed effectively. Powerful magnets and motors give stirring speeds up to 1300 rpm and volumes up to 15 liters*. Stirring speed is set and displayed digitally so that the same speed can be used each time for reproducibility.

If the probe is unplugged, the temperature of the top plate can be set on the display. This can be useful for applications where accurate surface temperature is important such as warming microscope slides and microarrays and specialist electronics. There are two models to choose from:

  • Model CD162 has a glass-ceramic top plate, which is chemically resistant and gives very fast heat-up times.
  • Model SD162 has an aluminum/silicon alloy top plate which gives a very even plate temperature and quick response to changing set temperature.
    • SKU
      SD162
    • Commodity Codes
      84198998
  • Manufacturer
    Stuart Equipment (part of Cole-Parmer)
  • Country of Origin
    China
  • Stirrers
    • Number Of Stirring Points
      1
    • Speed Range (rpm)
      200 - 1300
    • Stirring Volume (L)
      15
    • Plate Dimensions (mm)
      160 x 160
    • Temperature Range (°C)
      300