The deep bucket being used for the virtual grit chamber in the float height versus chemical dosing experiment was not deep enough to allow testing of the full 20cm range of dosing motion. To test the full range of motion of the ACD efficiently the experiment was modified so that the lever arm was held in place by a ringstand and clamp. The ringstand was marked with a centimeter scale with zero being marked where the clamp help the lever arm such that no liquid came out the pressure break T, but any lower clamp position caused flow to occur.
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