Test Tube Photometer

Photometer for measurement of microorganism culture density in a test tube


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This is the test tube photometer we describe in our recent paper:

To make it real open source hardware we put together a shopping list and building instructions which you can find on openplant.science:

Building instructions: http://openplant.science/2017/12/21/photometer-build-instructions.html

Shopping list: http://openplant.science/2017/12/09/photometer-shopping-list.html

Materials and methods

Both, the main body and the sleeve were printed with a Ultimaker Original + using black PLA.

It is very important to use black material because it influences the light leakage to the sensor!



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Af73314372467823c74b5317e5993f9d?default=blank&size=40Paulo Cabrita added this to the Laboratorio collection ago
Mini 20026476  1 Alexander Kutschera published this design ago