The Refurbished Harvard Apparatus PHD 4400 Programmable Syringe Pump is a high-precision fluid handling instrument designed for controlled infusion and withdrawal applications in research, pharmaceutical development, biotechnology laboratories and analytical testing environments. Harvard Apparatus syringe pumps are recognized worldwide for their reliability, accuracy and ability to deliver reproducible flow rates for demanding laboratory applications.

Accurate fluid delivery is critical in modern scientific research. The PHD 4400 Programmable Syringe Pump allows researchers to precisely control infusion rates, withdrawal rates and delivery volumes, helping improve experimental reproducibility and data quality. The programmable architecture enables complex dosing protocols while reducing manual intervention during experiments.

The system supports both infusion and refill operations, making it suitable for long-duration experiments requiring automated fluid management. Researchers can configure delivery parameters, target volumes and syringe dimensions directly through the integrated control interface.

Technical Specifications

Specification	Details
Manufacturer	Harvard Apparatus
Model	PHD 4400
Product Type	Programmable Syringe Pump
Operation Mode	Infuse & Withdraw
Control Type	Microprocessor Controlled
Programming	Programmable Flow Profiles
Display	Digital LCD Interface
Connectivity	RS232 Communication
Syringe Compatibility	Multiple Syringe Sizes
Application	Fluid Delivery & Dosing
Condition	Refurbished
Quality Status	Fully Tested

Key Features

Programmable infusion profiles
Programmable withdrawal profiles
RS232 communication support
Digital user interface
Precision fluid delivery
Microfluidics compatibility
Drug delivery research applications
Pharmaceutical laboratory support
Biotechnology research applications
Continuous infusion operation
Automated dispensing capability
Laboratory-grade reliability

Applications

The Refurbished Harvard Apparatus PHD 4400 is commonly used for:

Drug delivery research
Pharmaceutical development
Microfluidics experiments
Analytical chemistry
Biotechnology research
Cell biology studies
Neuroscience research
Chromatography applications
Flow chemistry systems
Medical device testing
Laboratory automation
Academic research

Why Choose the Harvard Apparatus PHD 4400?

The PHD 4400 provides precise and repeatable fluid handling performance while supporting advanced programmable operation.

Benefits include:

Accurate flow control
Reliable infusion performance
Automated operation
Reduced manual intervention
Reproducible experimental results
Flexible programming options
Research-grade performance

Benefits of Purchasing Refurbished

A refurbished Harvard Apparatus PHD 4400 allows laboratories to obtain premium fluid handling technology at a significantly lower investment cost.

Advantages include:

Reduced capital expenditure
Proven laboratory technology
Reliable fluid delivery performance
Sustainable laboratory procurement
Cost-effective laboratory expansion
Long-term operational value

withdrawal pump

Refurbished Harvard Apparatus PHD 4400 Programmable Syringe Pump