Seward Stomacher® 400 Circulator

Seward Stomacher® 400 Circulator Paddle Blender

The Seward Stomacher® 400 Circulator is the gold standard in food microbiology sample preparation. Designed for reproducible and contamination-free homogenization, it’s trusted in labs worldwide for pathogen testing, PCR, and traditional microbiology protocols. Its patented curved paddle design drives more organisms into suspension for better recovery and more accurate results.

Why Choose the Stomacher 400 Circulator?

• Enhanced Microbial Recovery: Patented curved paddles improve homogenization compared to older square paddle models.
• No Cross Contamination: Closed system keeps every sample isolated.
• Digital Control Panel: Set paddle speed and time precisely; run hands-free or on a countdown timer.
• Durable Build: Built for daily lab use with long-term performance and minimal maintenance.
• Easy to Clean: Removable front door allows quick access to the paddle chamber.

Lab-Ready for Food Safety & Quality Testing

• Globally referenced in food testing protocols
• Delivers consistent sample prep for PCR, plating, and enumeration
• Ideal for bacteria, yeast, mold, and pathogen testing

Key Specifications

• Homogenizer Type: Paddle Blender
• Sample Throughput: 1 sample per run
• Sample Volume: 80 ml to 400 ml
• Usage: Benchtop
• Cooling: Not included
• Dimensions (W × D × H): 16.5″ × 18.9″ × 16.9″
• Weight: 55 lbs
• Electrical: 110 V standard; 230 V available on request (50/60 Hz)
• Warranty: 3 years with 10 years service support

FAQs

Is the Stomacher 400 Circulator available in 230V?
Yes, both 110 V and 230 V versions are available. Contact us before ordering to specify your voltage preference.

Can I calibrate the unit myself?
There is no self-calibration feature. However, if needed, the unit can be returned to the manufacturer (Seward) for professional recalibration.

Order the Stomacher® 400 Circulator from Lab Equipment Direct and experience the performance, reliability, and repeatability that food safety labs around the world trust. Ships ready to use with full support.