Stomacher® 400 Circulator
SKU: 43295615896

Stomacher® 400 Circulator

Sale price$2813.85 Regular price$3126.50
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

Stomacher® 400 CirculatorOverview Meeting the food safety and quality demands of todays microbiologists. Whatever method you use to enumerate and identify bacteria, yeasts and moulds in your laboratory, thorough, reproducible homogenization of the sample is the first and most critical step. Numerous studies have demonstrated the Circulator enhancement as a positive benefit to pathogen testing procedures in traditional microbiology and PCR based techniques. As the sample is

Overview

Meeting the food safety and quality demands of today’s microbiologists.

Whatever method you use to enumerate and identify bacteria, yeasts and moulds in your laboratory, thorough, reproducible homogenization of the sample is the first and most critical step.  Numerous studies have demonstrated the Circulator enhancement as a positive benefit to pathogen testing procedures in traditional microbiology and PCR based techniques.

As the sample is crushed during operation, the patented curved shape of the Stomacher 400 Circulator paddles create a washing effect driving more organisms in suspension thereby providing a better homogenized sample for analysis.

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

The Circulator allows for easy and effective processing of multiple samples, without risk of cross contamination. The quality of the Stomacher® build and components impart durability and reliability, 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.

Key Attributes
Homogenizer Type Paddle Blender
Sample Throughput 1 sample
Sample Volume (min) 80 ml
Sample Volume (max) 400 ml
Usage / Placement Benchtop
Cooling No
Warranty 3 years
Noise Level
Weight 55 lb
Width 16.5"
Depth 18.9"
Height 16.9"
FAQ

What is the voltage of the Stomacher 400 Circulator?

The Stomacher 400 comes in 110 V by default, but if you prefer a 230 V Hz version it is available at the same price. Please inquire for details if you would like a Stomacher 400 in 230 V. (Both versions are universal frequency, 50 / 60 Hz.)

 

Can the Stomacher 400 be calibrated?

There is no protocol or built-in functionality for you to calibrate it yourself, but the unit can be sent back to Seward for re-calibration. This does incur a cost.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 43295615896

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Arizona
Chelsea, US
★★★★★ 5
Excellent!!
Color: Beige, Size: Large
Really loved these shirts for my hubby. They were pretty good quality shirts. Love the linen material. Also love the buttons on the collar which my husband prefers to wear with his jackets. They are very comfortable. As far as size, I ordered according to the size chart. He typically wears a size Large. According to the size chart an XL would best so that’s what I ordered. But I truly believe that a size L would’ve been better. So I would say they are true to size. My husband weighs 205, and has muscles and a size L would’ve been just fine. I ordered 3 because I loved them. I’ll stay with the XL. But if I were to order more I’ll preorder a Large. Very happy with this purchase. They are not slim fit either. Just for an FYI.
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Reviewed in the United States on February 22, 2026
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Nick Wilding
New York, US
★★★★★ 5
Quality + Fit + Value - VERY pleasantly surprised!
Color: Black, Size: Large
I stand at 6.0125" 200lb (showing signs of a Dad bod)., and the large was a perfect fit for me. The quality exceeded expectations, perfect thickness and weight for the colder months. I actually set this up between a Boss & Ted Baker (my-go's to in past 10-years) and asked my date to pick one of three - she grabbed this shirt. if you're looking to re-evaluate how much your spend on dress shirts - this Brand will not disappoint in terms of quality and fit. If your wearing brands like Express, Banana or even worse - Untuck-it, consider this a marginal upgrade. I'm going to by a few more and I'll update if anything changes.
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Reviewed in the United States on February 1, 2026
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Michelle Spencer
Massapequa, US
★★★★★ 5
Great shirt
Color: Beige, Size: Medium
Great fit, seemed like thin to medium weight fabric which is perfect for him. Lil with any linen blends, they wrinkle so it is more of a casual wear. Washes great and is super soft when wearing.
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Reviewed in the United States on March 16, 2026
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Bleau P
Grantham, US
★★★★★ 5
Bleau
Color: Beige, Size: Large
Very Good , fits very well
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Reviewed in the United States on May 7, 2026
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Bosoca
Dallas, US
★★★★★ 1
Trashed after one wash
Color: Beige, Size: Small
It’s a great looking shirt. The price is good. The fit is good. But it’s so scratchy that it’s like wearing a potato sack. And after washing it ONCE it pilled so bad that I had to throw it away because it looked like an electrical sander had been used on it. But this is what Amazon has become: bad quality everything.
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Reviewed in the United States on December 4, 2025

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