Global Marketplace for Affordable, High-Quality Lab Equipment

Buy, sell, and compare used, refurbished, and second-hand scientific equipment with confidence.

Why Choose QuestPair?

Fast Delivery

“Partnered with reliable suppliers for timely shipments.

Only Good Quality Lab Equipment

“Strict quality checks ensure every product meets your standards.

Affordable Prices

Save up to 50% by choosing second-hand and refurbished equipment.”

Case Study: Pivot Park – Affordable Lab Equipment Delivered in Record Time

In November 2024, Pivot Park trusted QuestPair to source and deliver 15+ high-quality lab devices under tight deadlines. By leveraging our extensive supplier network, we ensured fast delivery, significant cost savings, and sustainability through refurbished equipment.

Key Results:

  • Up to 40% cost savings
  • On-time delivery
  • Sustainable choice

Handpicked Lab Equipment for You

Hettich 1742 adapters 4x-cover
Sartorius Biostat B-DCU Bioreactor System

System consists of: 1x Sartorius Stedim BioPAT DCU Control Tower 4x Sartorius Stedim Biostat B-DCU Bioreactor Unit 4x Sartorius Stedim Univessel SU Reactor Holder 8x Sartorius PMA7501 Scale 4x Sartorius BB Reactor Heating Blanket 4x Sartorius Filter Heater The Biostat B-DCU is a fermenter/bioreactor specifically designed to accommodate the requirements of process optimization and characterization in the biotech and biopharmaceutical industry. It provides enhanced functionality and an unrivalled level of options for cell culture and microbial processes making it the ideal scale-down model for your large scale process. Supply Tower Gases – Gas supply pressure 1.5 bar (Gasses must be dry, oil and dust-free), connection of gas hoses with d external 6 mm Water – Water supply pressure: 2 – 4 bar, Flow rate up to 20 l/min, Temperature minimum 4°C, Degree of hardness: 12° dH max. Integrated water pressure reduction down to: 1.5 bar Interfaces – 3+ external signal inputs 0–10 V 3+ external signal inputs 4–20 mA Fieldbus for serial or ethernet devices Digital output 24 V for on/off control of external devices Up to 4 analoge outputs for external pumps Connection for control of external drive motor (0–10 V) Dimensions (WxHxD): 360 x 768 x 432 mm Weight: 45 kg Motor drive Rotation speed: 20 – 400 rpm Process Control Temperature: Pt100 0 – 150°C (temperature control 0 – 80°C) Dissolved oxygen: single-use DO sensor patch 0–100% pH: single-use pH sensor patch 6.5 – 8.5 pH Redox: Combined measurement with pH sensor –1,000 –1,000 mV Balance substrate: 7 kg / 1 g Gravimetric flow controller: Accuracy for 7 kg balance 5 g/h O2 offgas: Zirconium dioxide 0–50 vol% CO2 offgas: Infrared 0–10 vol% Temperature control module for UniVessel SU Single-use Culture Vessel With Heating Blanket Electrical heating blanket Temperature control up to 50°C Heating capacity 2 L : 200 W

Meet Our Team

Welcome to QuestPair, where innovation meets passion! We are a dynamic team of data-driven individuals, fueled by our shared love for science and a common goal to revolutionise the way researchers find lab equipment.

With diverse backgrounds in science, technology, and data, we collaborate enthusiastically to build QuestPair into a seamless online marketplace for used lab equipment. Our dedication to simplifying the equipment search process is fueled by our passion for the future of scientific research.

To learn more about each member of our team or our commitment, visit our About Us page.

What Our Customers Say

⭐⭐⭐⭐⭐ - TrustPilot
“Brilliant service. Everything arrived and was exactly as expected"
— Jon Welburn (GB)

⭐⭐⭐⭐⭐ - TrustPilot
“Great Customer service! Got me great options for the equipment I was looking for and in a timely manner."
— Pamela (US)

⭐⭐⭐⭐⭐ - Google
“Harm is very responsive to help me find the right equipment. The product I received is in a good condition."
— Hsin-Wen Liang (US)

Who We Worked With

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