Seward Stomacher® 400 Circulator Microbiologist Paddle Laboratory Blender, 80-400ml, 230-240V

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Manufactured to industrial standards the Circulator allows for easy and effective processing of multiple samples, without the risk of cross contamination.

The Stomacher® owing to the quality of build and components, is highly durable and reliable, ensuring consistent homogenisation during frequent use. The digital control panel provides simple control of processing features such as paddle speed and processing time, essential for consistent results. These features are programmable for repeatable homogenisation protocols.

Globally referenced by thousands of protocols in food microbiology, the Stomacher® 400 Circulator is the gold standard in laboratory blenders. The unique patented Circulator paddle design improves organism recovery over older square paddle designs by enhancing the stirring and extrusion forces applied to the sample, driving more organisms into suspension for analysis.


  • £2695.00

The world’s leading laboratory paddle blender for food microbiologists

WHY the Stomacher® 400 Circulator

  • Improved organism recovery with the patented curved shape of the Circulator paddles over older square paddle designs
  • No risk of cross contamination between samples
  • Durable and reliable
  • Control panel with programmable settings or ‘hands-free’ auto-run
  • Countdown of processing time
  • Removable door for easy cleaning of paddle chamber
  • 3 year warranty and 10 year service support

Whatever method you use to enumerate and identify bacteria, yeasts and moulds in your laboratory, thorough reproducible homogenisation of the sample is the first and most critical step. 

As the sample is crushed during operation, the patented curved shape of the Circulator paddles create a washing effect driving more organisms in suspension thereby providing a better homogenised sample for analysis.

The Stomacher® 400 Bag Range

Caters for both the Circulator bag (round-bottom) designed bags, and theClassic (square-bottomed) for the older square paddle designed Stomachers®.

Stomacher® Accessories

Seward has developed a full range of Stomacher® Accessories to help provide a safe and efficient working environment in your laboratory. From Bag Openers to Bag Racks and Bag Clips.

    • SKU
    • Commodity Codes
  • Sample Capacity
    80ml to 400ml
  • Manufacturer
    Seward Ltd
  • Country of Origin
    United Kingdom