Mixer

Product Overview

A vortex mixer is a laboratory instrument designed for rapid, high-throughput mixing of small liquid volumes in test tubes, microcentrifuge tubes, microplates, and similar small containers. BKMAMLAB Labshark vortex mixers (model series VM-3A, VM-3B, VM-3C, VM-3D) combine high-sensitivity touch activation, simple one-button operation, and stable, vibration-free speed control for life-science, clinical, and analytical workflows.

Key Features & Advantages

• Touch-activated operation: High-sensitivity sensor starts mixing on contact and stops when the vessel is lifted, enabling hands-free workflow control.
• Four model configurations: VM-3A (fixed-speed rocking), VM-3B (continuous and touch modes with adjustable speed), VM-3C (eccentric vortex action), VM-3D (rocking, eccentric, and continuous modes with digital display for programmable protocols).
• Brushless DC motor: Delivers stable, vibration-free speed control with extended service life and minimal maintenance.
• Compact ABS housing: Chemical-resistant surface with anti-slip rubber feet for benchtop stability.
• Electronic speed stabilization: Maintains consistent mixing speed even under variable load conditions.

Technical Specifications

• Models: VM-3A, VM-3B, VM-3C, VM-3D
• Mixing modes: Rocking, eccentric, continuous, touch-activated (varies by model)
• Motor type: Brushless DC motor
• Compatible vessels: Test tubes, microcentrifuge tubes, microplates, small flasks
• Operating ambient temperature: 5°C to 40°C
• Relative humidity: ≤80%
• Altitude: Up to 2000 m, indoor use

Comparison & Competitive Advantages

Unlike manual inversion or pipette-based mixing that is inconsistent and labor-intensive, the BKMAMLAB Labshark vortex mixer delivers reproducible vortex action across all samples. Compared to basic single-mode vortexers from competing brands, the VM-3D model offers programmable digital control with three mixing modes in one unit, reducing the need for multiple instruments. The touch-activated design eliminates the need to hold a button during operation, improving ergonomics and reducing hand fatigue during high-throughput workflows.

Applications

Ideal for clinical laboratories, biomedical research institutes, microbiology labs, pharmaceutical quality-control labs, and academic teaching labs. Primary applications include resuspending cell and bacterial pellets, mixing reagents in microtubes, preventing blood coagulation in hematology tubes, molecular hybridization assays, ELISA plate mixing, DNA and RNA extraction protocols, and quick reagent blending before PCR or qPCR setup.

Frequently Asked Questions

Q: What is a vortex mixer used for in a laboratory?

A: A vortex mixer is used for rapid mixing of small liquid volumes in tubes, microplates, and similar containers. It is commonly used for resuspending cell pellets, mixing reagents, preventing blood coagulation, and preparing samples for PCR, ELISA, and DNA extraction workflows.

Q: What is the difference between the BKMAMLAB Labshark VM-3A and VM-3D vortex mixers?

A: The VM-3A provides fixed-speed rocking motion for routine resuspension, while the VM-3D combines rocking, eccentric, and continuous mixing modes behind a digital display for programmable protocols. The VM-3D is recommended for laboratories requiring flexible, reproducible mixing across multiple workflows.

Q: Can the vortex mixer be used with microplates?

A: Yes, BKMAMLAB Labshark vortex mixers are compatible with microplates, microcentrifuge tubes, test tubes, and other small containers. For high-throughput microplate mixing, the VM-3C or VM-3D models are recommended.

Q: How should the vortex mixer be maintained?

A: Disconnect power before cleaning. Wipe the exterior with a damp cloth using mild detergent. Never submerge the unit or use conductive cleaning fluids. Ensure the anti-slip rubber feet remain clean for stable operation.