BioTek ELx405U Select Microplate Washer

Microplate Readers
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The BioTek ELx 405U Select is from the industry leader in plate washing, BioTek. This microplate washer is built to be esay to use, and can be paired with a BioStak Robot handler for even better efficiency and time savings. The BioTek ELx 405 Select can dispense into both 384 well and 96-well plates. This plate washer features BioTek’s dual action manifold that ensures independent filling and evacuation control. In addition, the ELx405 Select has built in overflow washing and overflow protection. The BioTek ELx405U Select is capable of low flow rates and angled dispensing, which helps with cell based assays.Cleaning and caring for this microplate washer is simple, thanks to the ultrasonic function to help keep tubes and manifolds clear of workflow derailing clogs.

The BioTek ELx405U Select contains a patented Dual-Action manifold with independent filling and evacuation control for precise overfill washing and overflow protection. Available low-flow rates and angled dispensing make the ELx405U Select particularly useful in cell-based assays. The ELx405U Select and a paired BioStack Robot can be directly controlled from the easy to navigate key pad and screen. Alternately users can opt to use BioTek liquid handling control software and control your BioStack and ELx405 Select from a windows based PC. This microplate washer system can be paired with another great BioTek product (Synergy HT, Synergy, etc) or one of the other many manufacturers who made their products BioTek compatible.

The BioTek ELx405U Select is capable of washing 96 and 384-well plates less than 50mm in height. This elisa plate washer can be used to automate the dispensing and aspiration steps of common ELISA assays. The ELx405U Select contains an internal positive displacement pump and allows you to use any size reservoir. This plate washer has the option to connect an external valve module which allows for the connection of up to 4 reagents bottles with automatic switching. There is also built in priming that allows the ELx405U Select Microplate Washer to avoid having to use blank plates during the process and avoids wasting consumables.  

Biotek ELx405U Select Microplate Washer Specifications:

Vacuum filtration time range: 

5 to 999 seconds

Selectable: Approximate final at 30 seconds:

Lowest: -38 mmHg Low: -113 mmHg Medium: -200 mmHg High: -390 mmHg Highest: -506 mmHg



Flow Rates

High flow to low flow Optimized rates for cell assays

Wash Speed

96-wells, 300 µL/well, 3 cycles: <30 seconds

Dispense Precision

≤3% CV: 300 µL/well (96-well washing)

Residual Volume

<2 µL/well (standard & deep well 96-well plates)

Supply bottle

3.7 L

Buffer/reagent Selection

Auto switching module for up to 4 buffers (option)

Wash Cycles

1 -10

Volume Range

50 to 3000 microliter increments

Manifold Types

96 Tube Dual Action manifold for 96-well washing


Programmable up to 60 minutes

Onboard Software

Create, edit and run multiple protocols

Microplate Types

96-well plate/strips 384-well plates Low profile and standard height Deep well plates up to 50 millimeters


17x29x15 inches


100 - 240 Volts AC. 50/60 Hz


40 lbs

  • BioTek ELx405U Select Microplate Washer
  • Waste & Wash Bottles
  • Vacuum Pump
  • Plate Adapter
  • Splash Guard
  • Operator's Manual
  • 30-Day Warranty

This BioTek ELx405 Select  Microplate Washer has been fully inspected and is performing beautifully. All of our lab equipment comes backed with our standard warranty. Should you have any questions, please don't hesitate to contact us.

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