Watson Marlow Qdos 60 Manual: Article Plan (05/04/2026)

This comprehensive manual details the Qdos 60 peristaltic pump, covering installation, safety, specifications, and control wiring—updated as of today’s date.

The Qdos 60 is a compact, accurate peristaltic pump designed for precise fluid transfer, offering versatile control and chemical resistance for diverse applications.

Overview of the Qdos 60 Peristaltic Pump

The Watson Marlow Qdos 60 is a digitally controlled peristaltic pump renowned for its accuracy and reliability in fluid handling. It utilizes a tube assembly to gently squeeze fluid, minimizing shear and ensuring gentle pumping.

This pump excels in dosing, dispensing, and transfer applications across various industries, including chemical processing, pharmaceuticals, and food & beverage. Its compact design and robust construction make it suitable for both laboratory and industrial settings. The Qdos 60 offers precise flow control and repeatable performance.

Key Features and Applications

The Qdos 60 boasts features like simple intuitive programming, a chemical-resistant pumphead, and a wide flow rate range. It offers both universal and remote control options, alongside PROFIBUS communication capabilities for seamless integration.

Applications span precise chemical dosing, pH control, sample addition, and dispensing viscous fluids. Industries benefiting include water treatment, biotechnology, and coatings. Its gentle pumping action preserves fluid integrity, making it ideal for shear-sensitive materials.

Unpacking and Initial Inspection

Carefully unpack the Qdos 60, inspecting for damage during transit. Verify all components are present, referencing the included checklist for completeness.

Packaging and Disposal Guidelines

The Qdos 60 is packaged to protect it during shipping; retain packaging for potential future transport or warranty claims. Dispose of packaging materials responsibly, following local regulations for recycling plastics, cardboard, and any cushioning materials.

Ensure compliance with waste electrical and electronic equipment (WEEE) directives when disposing of the pump itself at the end of its service life. Do not discard with general waste; utilize designated collection points.

Component Checklist: What’s Included

Upon unpacking, verify the presence of all components: the Qdos 60 pump unit, pumphead assembly, tubing (length varies by model), and this comprehensive user manual.

Also included are mounting brackets for secure installation, a multi-language quick start guide, and a document declaring conformity to relevant standards; Inspect all items for shipping damage; report any issues immediately to your supplier.

Optional Accessories Available

Enhance your Qdos 60’s functionality with available accessories. These include a variety of tubing options tailored for specific chemical compatibility and flow rates, alongside different pumphead configurations.

Additional options encompass mounting kits for diverse installations, external control modules for remote operation, and specialized connectors for seamless integration into existing systems. Contact Watson-Marlow or a distributor for a complete accessory catalog and pricing details.

Safety Precautions and Guidelines

Prioritize safety by adhering to all outlined warnings and cautions; proper handling ensures operator wellbeing and prevents damage to the Qdos 60 pump.

General Safety Notes

Always disconnect the pump from the power source before any maintenance or servicing. Ensure the pump is properly grounded to prevent electrical hazards. Avoid operating the Qdos 60 in explosive atmospheres.

Never exceed the pump’s maximum pressure rating, as this could lead to component failure and potential injury. Regularly inspect tubing for wear and tear, replacing it as needed.

Only qualified personnel should perform installation and repairs. Familiarize yourself with all safety information before operating the pump, and heed all warning labels.

Important Warnings and Cautions

Caution: Do not operate the Qdos 60 with incompatible fluids, as this may damage the pumphead and void the warranty. Warning: Incorrect installation can create a hazardous situation.

Always verify chemical compatibility before use. Avoid dry running the pump for extended periods, as this can damage the tubing.

Ensure adequate ventilation when handling hazardous fluids. Never attempt to modify the pump’s internal components. Follow all local safety regulations when disposing of waste fluids.

Pump Specifications and Technical Details

This section provides detailed technical data, including pump specifications, power supply standards (AC & DC), and precise physical dimensions and weights.

Detailed Pump Specifications

The Qdos 60 boasts impressive flow rates, ranging from 0.0001 to 8.0 ml/rev, and can handle pressures up to 2 bar.

Its tubing bore sizes accommodate various applications, while the pump’s robust design ensures reliable performance.

Accuracy is paramount, with ±1% repeatability, and it operates efficiently within a wide temperature range.

These specifications make the Qdos 60 ideal for precise fluid transfer in diverse industries.

AC Mains Power Supply Standards

The Qdos 60 is designed to operate with a universal AC mains power supply, accepting inputs from 100-240V, 50/60Hz.

Compliance with international standards, including IEC 61010-1, ensures safety and reliability.

The pump incorporates appropriate fusing for overcurrent protection, safeguarding both the device and the user.

Proper grounding is essential for safe operation, adhering to local electrical codes and regulations.

DC Power Supply Standards (12-24V)

The Qdos 60 offers operational flexibility with a 12-24V DC power supply option, providing an alternative to AC mains power.

Ensure the DC power supply is adequately rated for the pump’s current draw to maintain consistent performance.

Polarity must be observed correctly during connection to prevent damage to the pump’s internal circuitry.

A regulated DC power source is recommended for stable operation and to maximize pump lifespan and accuracy.

Physical Dimensions and Weights

Understanding the Qdos 60’s physical footprint is crucial for integration into existing systems and ensuring adequate space allocation.

Detailed dimensional drawings are available in the full manual, specifying height, width, and depth for precise mounting considerations.

The pump’s weight, approximately [weight to be added from source], is important for structural support and transportation logistics.

These specifications aid in planning installation and minimizing potential interference with surrounding equipment.

Materials of Construction

The Qdos 60 utilizes robust materials for both the external casing and fluid path, ensuring chemical compatibility and long-term reliability.

External Casing Materials

The Watson Marlow Qdos 60’s external casing is constructed from high-quality materials designed for durability and resistance to common industrial environments. Typically, the casing incorporates a robust polycarbonate, offering excellent impact resistance and chemical inertness.

This material choice ensures the pump can withstand demanding applications while maintaining a sleek and professional appearance. The polycarbonate also contributes to the pump’s lightweight design, facilitating easy installation and portability.

Pumphead and Fluid Path Materials

The Qdos 60 pumphead utilizes materials specifically chosen for compatibility with a wide range of fluids and to ensure accurate, reliable pumping. The pumphead body is often constructed from polypropylene, known for its chemical resistance.

Fluid path components, including the rotor and tubing, are designed to minimize contamination and maximize pump life. Compatibility depends on the tubing selected, offering options like Viton, silicone, and Tygon.

Wetted Components and Material Compatibility

Components potentially wetted within the Qdos 60 include the rotor, tubing, and pumphead interior surfaces. Material compatibility is crucial to prevent degradation and ensure process integrity.

The manual emphasizes selecting tubing appropriate for the pumped fluid; incompatible materials can lead to failure. Common wetted materials include polypropylene, Viton, silicone, and Tygon, each offering varying chemical resistance.

Installation and Setup

Proper installation involves following detailed instructions, adhering to ‘do’s and don’ts’, and considering pressure capabilities to ensure optimal Qdos 60 performance.

Installation Instructions

Mount the Qdos 60 securely on a stable, level surface, ensuring adequate ventilation around the unit. Connect all tubing correctly, verifying a tight fit to prevent leaks.

Before powering on, double-check all connections and confirm the pumphead is properly installed with the correct tubing size.

Always refer to the detailed diagrams within this manual for specific mounting and connection procedures.

Do’s and Don’ts of Installation

Do ensure the pump is grounded properly and installed within its specified operating temperature range. Do verify tubing compatibility with the fluid being pumped.

Don’t install the pump in a hazardous environment without appropriate certification. Don’t overtighten tubing connections, as this can damage the pumphead.

Always disconnect power before performing any maintenance or adjustments to the installation.

Pressure Capability Considerations

The Qdos 60’s maximum pressure is dependent on tubing selection and pumphead configuration; Exceeding the specified pressure limits can lead to pumphead failure or inaccurate flow rates.

Regularly inspect tubing for signs of wear or damage, especially when handling high-viscosity or abrasive fluids.

Ensure the system’s back pressure does not exceed the pump’s capabilities, and consider using a pressure relief valve for added safety.

Dry Running Guidelines

While the Qdos 60 is designed for robust operation, prolonged dry running should be avoided as it can cause premature wear to the pump tubing and potentially damage the pumphead components;

If temporary dry running is unavoidable, minimize its duration and reduce the pump speed.

Always ensure fluid is present during normal operation to maintain optimal performance and extend the lifespan of the peristaltic pump.

Power Supply Connection

This section details connecting the Qdos 60 to either an AC mains power supply or utilizing the optional 12-24V DC power supply configuration.

Connecting to AC Mains Power

Before connecting to AC mains, ensure the pump is correctly grounded and the power supply voltage matches the pump’s specifications. Verify the AC mains power supply adheres to relevant standards, as detailed in the manual. Connect the power cord to a properly earthed socket. Always disconnect the power before any maintenance or adjustments. Incorrect voltage or improper grounding can cause damage or pose a safety hazard. Double-check all connections for security before powering on the Qdos 60.

Utilizing the DC Power Supply Option

When employing the 12-24V DC power supply, confirm compatibility with the pump’s requirements as outlined in the specifications section. Ensure correct polarity is observed during connection to prevent damage. A regulated DC power supply is recommended for stable operation. The DC power supply must provide sufficient current to meet the pump’s operational demands. Regularly inspect the DC power supply connections for tightness and integrity. Disconnect the DC power before any servicing or adjustments are made.

Automatic Control Wiring

This section details wiring for universal and remote models, including pin assignments, relay module connections, and PROFIBUS control configurations for automation.

Universal and Remote Models (Without Relay Modules) ౼ Pin Assignments

For direct control, these models utilize specific pin assignments at the pump for inputs and outputs. Understanding these connections is crucial for seamless integration with external control systems. Pin assignments facilitate start/stop control, speed adjustment, and feedback signals. Refer to detailed diagrams for precise wiring configurations, ensuring correct functionality. An optional input lead can simplify connections, while optional output leads provide status signals. Proper wiring prevents damage and ensures reliable operation of the Qdos 60 pump.

Relay Module Wiring (Universal Models) ー Module Access

Accessing the relay module within Universal models requires careful cover removal and refitting procedures. This allows for wiring connections to facilitate advanced control functionalities. The module housing is designed for easy access, but requires attention to avoid damage. Ensure the pump is de-energized before attempting access. Proper handling prevents component misalignment or breakage. Detailed instructions guide the process, ensuring secure module installation post-wiring, maintaining the pump’s integrity and operational safety.

Relay Module Wiring ౼ Terminal Connectors and PCB Connectors

Connecting the relay module involves utilizing both terminal and PCB connectors for secure signal transmission. Terminal connectors facilitate external wiring for control signals, while PCB connectors establish internal connections within the pump. Proper wiring ensures reliable operation of automated functions. Careful attention to polarity and connector alignment is crucial. Incorrect connections may lead to malfunction or damage. Refer to the wiring diagrams for precise terminal and PCB connector assignments.

PROFIBUS Control Wiring

The Qdos 60 supports PROFIBUS communication for seamless integration into industrial networks. Establishing a PROFIBUS connection requires adherence to specific wiring standards and parameter configurations. Proper termination resistors are essential for reliable data transmission. Address assignment must be unique within the network. Detailed wiring diagrams and configuration guidelines are provided to ensure successful implementation. Incorrect wiring or configuration can disrupt network communication and pump control.