What is PIXL Dark?

PIXL Dark is an automation-ready variant of the ultra-reliable and super-easy-to-use microbial colony picker PIXL that makes it quick and easy to integrate a robotic arm into your workflow, now or in the future. Its seamless compatibility with multiple integration providers enables walkaway automation for colony picking workflows while maintaining the safe, sterile environment you need for your experiments.

Why PIXL Dark?

Momentum arm picking up plate

Scale up

Automate the picking of 437,760 colonies a month* (based on a 24 hour run) to achieve a reliable cost effective method for precision colony picking.
*Based on an average of 600 colonies picked per hour with precision technology and zero downtime.

PIXL with Momentum arm

Robot friendly

Tested with multiple integration providers, with excellent documentation, and an API provided with every unit, PIXL Dark is automation-ready from day one.


Keep your options open. Once you’ve perfected the science, you’ll be ready to seriously ramp up your colony picking capabilities. PIXL Dark makes that easy,  supporting seamless integration with a robotic arm for full round-the-clock walkaway automation.

Small Footprint

Maximise your bench space. PIXL has a small footprint enabling it to fit on standard laboratory benches or be operated within an anaerobic chamber with ease.

Create a colony picking workflow in minutes

Multiple user logins with PIXL_icon_colony picker

1. Login

PIXL remembers the last used settings; stores templates and logs user actions and parameters.

Select your plate type with PIXL_Icon_colony picker

2. Select the plate

Petri or PlusPlate. Pick from the whole plate or define sectors of interest.

Choose colonies with PIXL_icon_colony picker

3. Choose colonies

Filter selected colonies by size, colour, proximity, intensity, and shape.

Select target plate with PIXL_icon_colony picker

4. Select the target plate

Select the number of replicates; on any density, in any pattern, agar, or liquid.

Picking colonies with PIXL icon_colony picker

5. Pick colonies

Review your workflow, estimated time, and number of plates required, then press go and walk away.

Export colony data with PIXL_icon_colony picker

6. Export data

Export your protocol, colony information, and parameters as a CSV file.

PIXL Dark Workflows

Random Colony Picking icon_colony picker

Random Colony Picking

Pick random colonies from circular, rectangular, or square plates to agar or liquid target plates. Customise your workflow with loads of sectoring, layout, and mixing options.

Colony Detection icon_colony picker

Colony Detection

Image and detect your colonies of interest and export experimental data without running a workflow.

Zone of inhibition Analysis icon_colony picker

Zone of Inhibition Analysis

Automatically identify central colonies, measure their inhibition zones, and pick colonies of interest.

Re-array Colonies_colony picker

Re-array Colonies

Pick colonies from user-defined locations and place them at user-defined positions. This is completely customisable and can use several plate types. Select exact colony coordinates or traditional well locations.

Which PIXL Dark setup is right for you?


PIXL, is for users looking to automate manual colony picking with an intuitive and user-friendly robot.

Precision Microbial Colony Picker PIXL in Anaerobic Chamber.

PIXL Dark with Anaerobic Chamber

A customised anaerobic chamber designed for PIXL with user experience in mind, making integration seamless.

Automation-ready PIXL Dark

PIXL, is equipped with a light curtain that can be easily integrated with various robotic arm providers.

PIXL Resources

Precision Microbial Colony Picker PIXL picking yeast.

Precision Microbial Colony Picker PIXL.

Synthesising a designer yeast chromosome with the help of PIXL

Frequently asked questions

Source plates can be 90mm and 150mm Petri dishes, OmniTray SBS rectangular plates or 120mm square plates. Target plates can be 96 and 384 multiwell, deep well and PCR plates and OmniTray rectangular plates with pinning densities ranging from 96-1536. Allowing you to create custom workflows to suit your lab’s needs.

Watch PIXL picking to a variety of plate types: https://www.singerinstruments.com/resource/versatile/

PIXL maintenance is very minimal and intuitive, with easy-to-follow instructions on the user interface. Changing the PickupLine is straightforward, minimising experimental downtime.

“The maintenance is really low, even changing the filament is a piece of cake. Everyone can use the machine.” Dr. Daniel Schindler from the Max Planck Institute

We have distributors across the world in:

China (Punmicro)
Japan (Asahi and MinervaTech)
Korea (Hoil Biomed)
Poland (A-BioTech)
Latin America (Mendel)
Taiwan (Major Instruments)
Australia (BioTools)
India, Nepal and Bangladesh (ILB)
UK & rest of the world (Singer Instruments)

If you have any questions regarding distribution please get in touch here.

PIXL was designed with automation in mind. We are happy to work with automation providers to integrate PIXL into larger workflows. Get in touch here to find out more information.

PIXL holds one source plate and four destination plates, however, in re-array mode, you can cherry-pick from multiple source plates to the same destination plate. Schedule a chat with a Scientific Advisor here to explore how to automate your workflow with PIXL.

PIXL can use both liquid and agar source plates, and it can pin to liquid and agar target plates in any combination.

Get in touch

Our product experts are on hand to answer your questions about our robots and scopes.
Whether you want to explore your workflow needs, get a quote, request a live demo,
or geek out about science.

What would you like to do?