This high-low axis roller mixer is engineered for reliable performance and smooth, consistent mixing. The high-quality silicone rollers are wear-resistant and gentle on tube surfaces, while the combined rocking-and-rolling motion ensures thorough, homogeneous sample mixing throughout each run. With built-in timer and speed-control functions and a brushless motor for stable, low-maintenance operation, this roller mixer delivers the durability and precision that professional laboratories demand.

Digital Control with Flexible Roller Configuration
Smooth Silicone Rollers with Anti-Jamming Design
Lab mixers are widely used in biomedical research for cell culture, PCR, and immunoassays, ensuring uniform and reliable mixing of samples. In the chemical industry and scientific laboratories, lab mixing equipment supports catalytic reactions, solution preparation, protein crystallization, and nucleic acid hybridization, improving experimental stability and repeatability. In clinical testing and diagnostics, laboratory vortex mixers are commonly used for preparing blood and urine samples and for antimicrobial susceptibility testing, ensuring accurate and dependable results.
| Model | SISCO-LM-RM-6 | SISCO-LM-RM-6Pro | SISCO-LM-RM-8Pro |
| Motion Type | Rocking & Rolling | Rocking & Rolling | Rocking & Rolling |
| Motor Type | Brushed Motor | Brushless Motor | Brushless Motor |
| Speed Range | 20~80 rpm | 20~80 rpm | 20~80 rpm |
| Number of Rollers | 6 | 6 | 8 |
| Max. Load Capacity | 10 × 50 ml centrifuge tubes / 0.5 kg | 10 × 50 ml centrifuge tubes / 0.5 kg | 14 × 50 ml centrifuge tubes / 0.7 kg |
| Roller Length | 280 mm | 280 mm | 280 mm |
| Roller Center Spacing | 34 mm | 34 mm | 34 mm |
| Applicable Tube Diameter | φ6~34 mm | φ6~34 mm | φ6~34 mm |
| Timer Range | None | 1 min~23h59 min | 1 min~23h59 min |
| Control Mode | Knob | Digital Display + Button | Digital Display + Button |
| Ambient Temp. & Humidity | 5~40°C, 80% RH | 5~40°C, 80% RH | 5~40°C, 80% RH |
| Power Supply | AC 100~220 V | AC 100~220 V | AC 100~220 V |
| Rated Power | 25 W | 25 W | 25 W |
| Product Dimensions | (440 × 255 × 105) mm | (440 × 255 × 105) mm | (430 × 320 × 100) mm |
| Net Weight | 3 kg | 3 kg | 4 kg |

Q1: What is the practical difference between the non-digital and digital display models?
A1: The non-digital roller mixer offers a straightforward, cost-effective solution well-suited to routine mixing tasks where precise speed or time control is not a critical requirement. The digital display model, by contrast, features an LCD touch screen for exact parameter input and real-time data monitoring — making it the preferred choice for laboratories that need to replicate specific mixing conditions, maintain detailed experimental records, or ensure strict reproducibility across runs. For research-grade or regulated environments, the digital model provides a clear advantage in traceability and operational consistency.
Q2: Can this roller mixer handle sample tubes of different diameters at the same time?
A2: Yes. Any sample tube with a diameter within the φ6–34 mm range can be placed between the rollers and run simultaneously. For the most consistent mixing results, it is advisable to group tubes of similar diameter within the same batch, as this ensures even contact pressure across all samples. If your workflow involves a wide range of tube sizes, consider the spacing differences between the 6-roller and 8-roller models when selecting the most suitable configuration.
Q3: Will the lab roller mixer experience jamming or unusual noise during long-term operation?
A3: This mixer features an internally optimized, anti-jam drive structure that effectively minimizes mechanical friction, ensuring smooth, stable operation under normal working conditions. Should any unusual noise occur, we recommend checking that all sample tubes are seated flat and evenly between the rollers, and that the instrument is placed on a stable, level surface. The built-in brushless motor further reduces mechanical wear, supporting reliable long-term performance with minimal maintenance.
Tips: How should I choose between the 6-roller and 8-roller mixers?
The right choice comes down to the tube sizes and throughput requirements of your typical experiments.
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.