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BioTek BioStack 4 Automated Benchtop Microplate Stacker for Plate Loading and Unloading

UsedBioTekMicroplate readersUnited States

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Plate Compatibility
Standard-height microplates with or without lids; supports low-profile PCR plates and taller plates when properly stacked
Maximum Plate Height
Up to 22 mm (plates without lids using tall lidded stacks)
Maximum Plate + Lid Height
Up to 23.2 mm (when requirements are met)
Maximum Plates per Stack
Up to 30 plates (unlidded, standard stack) Approximately 25 plates with lids (30-plate stack, varies by plate/lid type) Approximately 8 plates with lids (10-plate stack)
Operating Temperature
18 °C to 40 °C (64.4 °F to 104 °F)
All 11 specifications
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Specifications 11

Brands
BioTek
New/Used
Used
Plate Compatibility
Standard-height microplates with or without lids; supports low-profile PCR plates and taller plates when properly stacked
Maximum Plate Height
Up to 22 mm (plates without lids using tall lidded stacks)
Maximum Plate + Lid Height
Up to 23.2 mm (when requirements are met)
Maximum Plates per Stack
Up to 30 plates (unlidded, standard stack) Approximately 25 plates with lids (30-plate stack, varies by plate/lid type) Approximately 8 plates with lids (10-plate stack)
Operating Temperature
18 °C to 40 °C (64.4 °F to 104 °F)
Operating Humidity
Noncondensing environment Up to 80% relative humidity at temperatures up to 31 °C Decreasing linearly to 50% relative humidity at 40 °C
Dimensions
21 × 8 × 24 in
Weight
26 lb
Electrical
100–240 V, 50/60 Hz

Product description

Automated BioTek benchtop microplate stacker with lidded plate support, stepper motor control, and batch processing.

The BioTek BioStack 4 Microplate Stacker is a compact, automated benchtop system designed for efficient microplate loading and unloading in laboratories utilizing BioTek instrumentation. Suitable for integration with BioTek microplate readers, washers, and liquid handling systems, this stacker supports both lidded and unlidded standard-height microplates, including low-profile PCR plates and taller variants when properly stacked.

Key technical features include:

  • Rotational wrist design enabling plate orientation at +90°, -90°, and 0° for compatibility with diverse instrument configurations.
  • Controlled stepper motor-driven movements ensure repeatable, precise handling during unattended batch processing.
  • Support for up to 30 plates per stack in unlidded configurations; approximately 25 plates with lids in a 30-plate stack and about 8 with lids in smaller stacks.
  • Automated lid removal and replacement functionality during instrument access to maintain plate integrity and reduce contamination risk.
  • Operates reliably within an environmental range of 18 °C to 40 °C with controlled humidity up to 80% relative humidity at 31 °C, decreasing to 50% at 40 °C, suitable for typical biomedical and bioprocessing environments.
  • Compact footprint measuring 21 × 8 × 24 inches, weighing 26 lbs, optimized to conserve valuable bench space in biomanufacturing and molecular diagnostics labs.

The BioStack 4's seamless integration with BioTek’s Gen5 data analysis software and liquid handling control systems enhances workflow automation essential in molecular biology, synthetic biology, and clinical research laboratories. Its precise plate handling capabilities make it critical in bioprocessing applications such as high-throughput screening and gene editing workflows.

This microplate stacker provides a reliable, efficient solution for automated batch microplate processing, widely adopted in biotechnology and biomedical engineering settings where contamination control and process reproducibility are paramount.

Why Questpair exists

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We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.

We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.

Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Can't find the exact configuration?

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Last updated 19 October 2026