User:Pranav Rathi/Notebook/OT/2012/05/21/pH-rocker for DNA-sequencing experiments
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Introduction
Motivation
Design and Construction
Design and construction of the rocker is easy. It is one of the easiest things I made. I have completed all the work within 5 hours.
Components
Most of the components were available in my lab. Some i bought. The slide show has all the parts with part number and company.
pH-rocker stand
- 1 X MB6 thorlabs brad board
- 2 X TR12-thorlabs posts
- 1 X PH4 post holder
- 1 X CL6-thorlabs clamp
- Some 1/4 inch screws
Motor arm
- 1 X PK22G21-Hennkwell 12V high-torque planetary gear motor
- 1 X CP0@T-thorlabs cage plate
- 1 X TR6-thorlabs post
- 1 X RA90-thorlabs post clamp
- 1 X black disk (salvaged from a radio)
- 1 X ER1-thorlabs 1 inch cage rod
- 2 plastic wire holders and 2 rubber cushions
- some 8/32 and 4/40 screws
Power supply
- Powerline variable DC-power supply from amazon.com
pH sensor
- PH37-SS Hach company pH sensor
Well plate
- 96 Well plate for DNA-sequencing