Stomacher® 3500 Jumbo Lab Blender

3500/000/EU 240V
3500/000/AJ 110V
030010205 110V North/Central/South America and Canada
030010256 240V North/Central/South America and Canada

The Stomacher® 3500 Jumbo is ideal for large volume blending. This heavy-duty machine is manufactured to industrial standards and is regularly used for applications in food microbiology, forensic residue analysis and microbiome sample research.

  • Suitable for volume sample sizes from 400ml – 3500ml
  • Durable and reliable, designed for heavy duty, constant use
  • Programmable paddle speeds and run times ensure consistent results
  • Easy to use – simple to set up, programmable operation with digital control panel
  • Easy to clean
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Food Microbiology
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Life Sciences
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The Seward Stomacher® 3500 Jumbo is the most popular lab blender for large volume blending, and is used extensively in  a wide range of applictions including:

  • blending of powders with diluents,
  • testing of complete recipe dishes,
  • bioburden testing for garments and dressings
  • forensic residue analysis

The Stomacher®3500 Jumbo is also currently being used in advanced micbobiome research sample preparation.

The Stomacher® 3500 Jumbo benefits from Seward’s long-standing commitment to quality, reliability and performance. Its durable design is supported by a 3-year warranty.

  • The Stomacher® 3500 Jumbo is a heavy-duty machine, manufactured to industrial standards, used where large volume blending is required
  •  Suitable for volume sample sizes from 400ml – 3500ml
  • The Stomacher® 3500 Jumbo comes with a range of bags suitable for both standard and heavy duty sample testing.

The Stomacher® 3500 is compatible with a range of Stomacher® bags. The BA6042 Standard 3500 bag (60 microns) suits standard operations. The BA6042/HD Heavy Duty bag is designed to serve resilient applications with a greater bag thickness of 100 microns.  The new Seward Autoclavable Stomacher® 3500 bag is the first paddle blender bag designed to be autoclavable for sterility methods post-testing

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Sample Size

400ml – 3500ml

Product Range

Product codes 3500/000/EU
Supply voltage: 220-250V 110-120V
Mains Inlet Fuses: T800mA 250V 5x20mm
breaking capacity: 35A @ 250V
T2.0A 250V 5x20mm
breaking capacity: 100A @ 250V
Supply Frequency: 50-60Hz 50-60Hz
Plug Top Fuse: F5A (UK cord set only)
Transformer Fuse: Jumbo
PCB Fuse: F2.5A 250V 5x20mm, breaking capacity: 100A @ 250V
Insulation: Class 1 (Earthed)
Installation: Over Voltage Category II
Pollution: Pollution Degree 2
Duty Cycle: Continuous
Rated Load: 120W
Adjustable paddles: Patented
Warranty: 3 years
Service and support: 10 years
Dimensions: 480mm(w) x 480mm(d) x 445mm(h)
Dimensions (Packed): 600mm(w) x 600mm(d) x 580mm(h)
Weight: 36kg
Weight (Packed): 42kg
Compliant with: EMC Directive 2014/30/EU
Low Voltage Directive 2014/35/EU
Machinery Directive 2006/42/CE
IEC61010-1 1990 Safety Requirement for Electrical Equipment for Measurement, Control and Laboratory Use
UL 3101-1 1993 Electrical Equipment for Laboratory Use General Requirements
Delivered with: Power Cable / Quick Start Guide
Sachet of BA6042 Standard Stomacher bags
Bag sizes: 508mm(l) x 380mm(w)
Available in: Standard / Closure / Autoclavable
Minimum recommended capacity: 1000ml
Maximum recommended capacity: 3500ml
Maximum Recommended Sample Temp: 60°C
Recommended Operating Ambient Temperature Range: 10-35°C
Recommended Operating Relative Humidity Range: 10-89%
Fixed Timer settings: 30 secs (+/-5%)
60 secs (+/-5%)
120 sec (+/-5%)
No load paddle speeds:
(@nominal 20°C)
125rpm (±5%)LOW
150rpm (±5%) NORM
175rpm (±5%) HIGH
Paddle Clearance: 0-20mm
Warranty Registration