BioTek ELx405US Select Microplate Washer

Microplate Readers
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The BioTek Elx405US microplate washer is designed and manufactured by a leader in plate technology.  The ELX405US from Bio-Tek well microplate washer dispenses liquids and aspirates which is ideally suited for DNA sequencing labs looking for high efficiency.  The Biotek ELISA Washer works great with DNA Sequencing Reactions and clean-up.  The vacuum filtration on this microplate washer leaves nothing behind and comes with sample/waste bottles.  The ELx405US washer plate works with standard microplates and is a great solution for labs looking for solid bottom microplate washing.

The BioTek ELx405US incorporates an ultrasonic cleaning function and operates by rapidly creating and collapsing minute vacuum bubbles, creating an agitation that scrubs the inside and outside of the washer eliminating even heavy protein and salt build up. It’s recommended by BioTek that you prime, clean, sonication and then re-prime with rinse cycle each time so the ELx405 is ready to go for the next wash. This microplate washer is compatible with the BioStack BioRobot making this a great addition to any high-throughput (HTS) laboratories.  This reliable plate washer from BioTek has a built-in over-flow sensor for precision filling of microplates. In addition, the BioTek ELx405 comes equipped with prime, sonicate tubes and cleaning protocols built right into the control pane. The BioTek ELx405US is a great addition to any lab and can be yours for a fraction of the cost new.

Biotek ELx405US 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-well: < 30 seconds: 3 aspirate / dispense cycles, 300 µL/well, no soak, final aspirate

384-well: < 80 seconds: 3 aspirate / dispense cycles, 100 µL/well, no soak, final aspirate

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

Two manifolds, one with 96 aspirate tubesand another with 96 dispense tubes to process 96- and 384-well plates.


Programmable up to 60 minutes

Onboard Software

Create, edit and run multiple protocols


40 lbs


17x29x15 inches


100 to 204V, 50/60Hz, 8.0A

Microplate Types

96-well plates/strips

384-Well plates

Low profile and standard height

Deep well plates up to 50 millimeters

  • BioTek ELx405US Microplate Washer
  • Waste & Wash Bottles
  • Vacuum Pump
  • Plate Adapter
  • Splash Guard
  • Operator's Manual
  • 30-Day Warranty

This BioTek ELx405US Microplate Washer has been thoroughly inspected and is free of clogs. 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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