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The 50™ TS Washer offers functionality that is unsurpassed in its class. The color touchscreen provides a visual interface that makes creating protocols fast and intuitive. Its performance for conventional plate washing is excellent, and it is also ideal for cell-based assay washing and for processing biomagnetic or polystyrene bead and vacuum filtration protocols. Used in conjunction with the 800™ TS Absorbance Reader or other detection system, the 50 TS brings convenience and consistently high quality results to your laboratory’s plate washing workflows.


The 50 TS automates the aspirate, dispense shake and soak steps required for many assays including cell-based assays, biomagnetic and polystyrene bead-based assays.

50 TS
The 50 TS can be used for ELISA protocols, such as the one described in this Application Note.

These are just a few examples of the many important applications for 50 TS. Visit our Applications page to see more.


High quality, high performance automated microplate washing at an affordable price

50 TS
These qualities make BioTek the #1 plate washer brand in the world. As an ISO certified and FDA registered Medical Device manufacturer, BioTek understands the importance of accurate, repeatable results, low maintenance, and reliability in the clinical and research laboratory.

Application versatility: ELISA to cell-based assays and bead-based assays

Applications for the 50 TS extend far beyond simple dispense and aspirate routines typical of many ELISA processes. Optimize fluid delivery for gentle cell-based assay washing, or run bead-based processes with the available biomagnetic and vacuum filtration modules.
Ring Magnet

Color touchscreen for quick, easy programming and operation

The 50 TS software includes pre-defined protocols with commonly used wash parameters for quick selection. Creating custom protocols onboard the 50 TS is easy – the touchscreen and menu-driven software make multi-step program creation intuitive and simple!
Touch Screen

Automated maintenance routines for continued reliable operation

Pre-defined, automated maintenance routines, including daily and overnight protocols keep the fluid path clean and prevent buildup of salt, protein or other material that can block manifold tubes, causing inadequate washing.

Automated switching of up to 3 buffers

To facilitate complex wash protocols or automated maintenance routines, the automated buffer switching capability adds even greater automation to the system.
50 TS buffer

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