Watson Marlow 505U Digital Peristaltic Pump with 501RL Pumphead

The Watson Marlow 505U Digital Peristaltic Pump, paired with the durable 501RL pumphead, is designed for precise, contamination-free liquid handling across laboratory, biotech, pharmaceutical, and industrial environments. With its wide flow range of 0.1 mL/min to 3000 mL/min (tubing dependent), reversible pumping direction, and compatibility with a variety of tubing materials, this system offers the flexibility needed for both routine transfers and highly controlled dosing tasks. Its digital interface allows accurate, step-by-step speed adjustments, while the robust pumphead construction ensures long tubing life and dependable performance with minimal maintenance.

At HiTechTrader, we make advanced equipment like the 505U accessible at a fraction of the cost of new models. Each refurbished unit undergoes a meticulous inspection and servicing process to verify flow accuracy, pumphead reliability, and digital control precision. This ensures that researchers and production teams can achieve the same high-quality results expected from brand-new systems, without straining their budgets. By combining Watson Marlow's trusted engineering with HiTechTrader's commitment to quality refurbishment, laboratories gain a cost-effective, high-performance tool built to support demanding workflows.

Performance Specifications

1. Pump Speed Range: 2–220 RPM, adjustable in 1 RPM increments
2. Flow Rate Range (505U): ~0.1 mL/min to 2000 mL/min (tubing dependent)
3. Max Flow Rate (501RL Pumphead): Up to 3000 mL/min (47.55 USGPH)
4. Flow Direction: Reversible (clockwise / counterclockwise)
5. Tubing Compatibility: Silicone, Marprene, Viton, and others (0.5 mm–8 mm bore, 1.6 mm wall optimized)
6. User Interface: Digital keypad with LED display, lockable for secure settings
7. External Control: Remote start/stop and speed regulation available
8. Pumphead Construction (501RL): Polycarbonate body, stainless steel & Delrin rollers
9. Operating Temperature: 5°C–40°C (41°F–104°F)
10. Electrical Requirements: Dual voltage (100–120V / 220–240V, 50/60 Hz)
11. Pumphead Weight: ~1.1 kg

Operational Features

1. Digital keypad interface with bright LED display for precise control
2. Twin spring-loaded rollers extend tubing life and improve consistency
3. Smooth, low-pulsation flow ideal for sensitive or sterile processes
4. Compact benchtop design minimizes space requirements
5. Reversible direction supports filling, draining, and purging tasks
6. External control options enable integration with automated systems

Applications

1. Accurate metering, dosing, and dispensing in laboratory workflows
2. Sterile transfers in pharmaceutical and biotech processes
3. Pilot-scale and small-scale chemical production
4. R&D environments requiring flexible integration and automation
5. Media delivery, reagent transfer, and general laboratory fluid handling

Design Features and Benefits

1. Digital Precision: 1 RPM increments provide highly accurate flow regulation
2. Contamination-Free: Fluid only contacts tubing, safeguarding sterile processes
3. Versatility: Supports a wide range of tubing materials and bore sizes
4. Durability: 501RL pumphead with stainless steel and Delrin rollers ensures longevity
5. Flexibility: Reversible pumping and remote control adapt to diverse workflows

Why Buy from HiTechTrader

Choosing HiTechTrader means securing a pump that performs to professional standards while offering exceptional value. Each Watson Marlow 505U with 501RL pumphead is carefully tested for digital accuracy, flow stability, and mechanical reliability. This ensures consistent operation in critical environments, from precise laboratory dosing to pilot-scale production. For organizations seeking dependable performance without the high cost of new equipment, the refurbished 505U is a proven solution that combines cutting-edge digital control with the rugged reliability Watson Marlow is known for.