Peristaltic Pump

Watson Marlow 505di Peristaltic Pump

Condition Used
Stock Number 413097
This listing is for The Watson-Marlow 505Di


The unit is in full working condition and is ready for immediate release


This a peristaltic pump designed for precise fluid handling applications, often used in laboratory, industrial, and pharmaceutical settings. It is part of the 505 series and features digital control for accurate and repeatable dosing.


Key Features:
Digital Display Control: Provides precise speed and flow control.
Flow Rate: Dial-up flow rates from 4 microliters/min to 4.4 liters/min, depending on the tubing size.
Speed Range: Adjustable from 0 to 350 rpm.
High-Speed Dispensing: Can dispense 100 ml in less than 1.4 seconds.
Accuracy: ±0.5% or better for reliable dosing.
Remote Control Options: RS232 control via serial communications.
Programmability: Stores up to 50 dispensing programs for repeated tasks.
Reversible Flow: Allows easy priming and purging.
Tube Compatibility: Works with various tubing materials (e.g., silicone, Marprene, or Tygon) to handle different chemicals.
Easy Maintenance: Peristaltic design eliminates the risk of cross-contamination and simplifies cleaning.
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505L Pumphead:
This peristaltic pump comes with a 505L pumphead, which features a virtually pulse-free flow with its ‘double-Y’ twin tube design. This ensures smooth and consistent fluid delivery. Flow rates reach up to 4,375 ml/min, supporting both single and twin-channel flows. Additionally, the non-drip function eliminates drips at the end of dosing, preventing waste and ensuring precise fluid handling.


Technical Specifications:
Voltage: 100-220 V / 220-240 V
Power Consumption: 100 W
Speed Range: 0 – 350 rpm
Operating Temperature: 5 – 40 °C
Dimensions (W x D x H): 220 x 400 x 120 mm