Company details for Astell Scientific Ltd

Astell Scientific Ltd

  • 020 (Display number) 020 8309 2031
19-21 Powerscroft Road
Sidcup Kent DA14 5DT United Kingdom

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Product Information

The Astell Hearson Tobacco Oven

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The Hearson Tobacco Oven has been designed to meet the stringent requirements of the industry for moisture testing. The oven provides a continuous flow of pre-heated air which passes over tared sample pans for drying purposes.

The unit comprises a cylindrical drying chamber in which is placed a stand carrying 12 circular copper trays; each tray is designed to take six stainless steel sample pans (TKE186). The top of the drying chamber is enclosed by a hinged insulated lid. In the centre of the chamber is an air distribution tube through which pre-heated air passes over the pans to facilitate the drying process.

The drying chamber is enclosed in a second, larger chamber providing a combined water reservoir and steam boiler in which is housed a copper coil. An immersion heater maintains the water at boiling point. Surplus steam is discharged from the top of this chamber to an air cooled condenser, with the condensate returning by gravity to the reservoir, thus sustaining the water level.

An electrical blower at the base of the oven passes air through the heated copper coil; it then enters the drying chamber through the air distribution tube. After passing over the sample pans, the air escapes to atmosphere via the vent provided in the centre of the lid. The oven is controlled using fused on/off switches for both the heater and air blower. An ammeter is fitted above each switch to indicate the combined load. Air flow through the drying chamber is regulated by a valve and measured by a rotameter calibrated over the range 2 to 20 litres/min.

Model: TCC000

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About us

Astell Scientific are a world leading specialist in the manufacture and supply of Autoclaves and Sterilising equipment as well as Laboratory Dryers and Tobacco Ovens and have been in the industry for over a century. All of Astell Scientific’s Autoclaves and Sterilisers have been designed to maximise efficiency, provide user safety and ensure ease of operation in the modern, quality conscious laboratory, or sterilisation facility.

Working for a range of industries including, Pharmaceutical Industry, Food testing laboratories, Research Laboratories, Dairy Industry, Hospitals & Hospital Laboratories, Food Testing Laboratories, Drinks Manufacturing, Research Laboratories, Agricultural and Horticultural Research, Microbiology Laboratories, Medical Research, Water Supply and Testing Industry, Veterinary Labs & Research, Breweries, Chemical Sector and Universities & Schools, Astell Scientific has a strong reputation in steam sterilisers offering bespoke autoclaves to exact sizing and specification requirements.
 
Astell Scientific produce a wide range of front and top-loading PLC controlled Autoclaves and Sterilisers as well as Steam Generators and Effluent Decontamination systems (EDS) which incorporate the latest innovations in control system technology. Equipment features include colour touchscreen controllers, onscreen tutorial, 5 password levels, multiple cycle programming, secure data archiving and delayed start facility all included as standard throughout the range.

Our Product Ranges Includes:

  • Circular section units from 30-330 Litres
  • Square Section units from 125 - 2000 Litres
  • Steam Generators up to 72 Kw
  • Effluent Decontamination Systems (EDS) designed to your needs
  • Nelldorn Dryers
  • Tobacco Ovens
With continual investment in product development and information technology, Astell Scientific offers high quality products backed up by efficient order processing and prompt equipment dispatch.

Visit the Astell Scientific website for our full range of autoclaves and sterilisation equipment that can be used in the laboratory industry.

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Latest Reviews

Astell Scientific Ltd

In our experience Astell autoclaves are by far the most consistent on the market. They are especially well built and Astell has very well trained engineers to carry out breakdown and service visits. Rapid cycle times are important, but so is flexibility. The latest version of Astell’s software allows us to create our own cycle parameters so that we can run different cycles depending on the products being sterilised.

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Astell Scientific Ltd

We chose Astell because they were willing to discuss and agree a user specification for a smaller unit than would be the norm with highly exacting requirements. The autoclave is reliable and consistent and the quality of the build is excellent

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Astell Scientific Ltd

Happy to report that the Astell autoclave purchased earlier this year is going well and has been a wonderful new addition to the TCC Laboratory equipment.

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