Pump Performance Testing ENGR 120. Experimental Setup current measurement voltage measurement pump water collection pail on digital balance water reservoir.

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Presentation transcript:

Pump Performance Testing ENGR 120

Experimental Setup current measurement voltage measurement pump water collection pail on digital balance water reservoir Graduated pump exit holes insert hose into hole 12 VDC power supply backup collection pail

9 inches 6 inches 3 inches 0 inches Fill Water Reservoir Bucket to the Zero Inch Mark (top of the PVC fitting above the outlet)

Zero the Digital Balance The displayed weight is the actual weight of the water

Collect a Data Point

Record the Data Point

Measurement of Power Used by Pump (P = VI) - voltage measured ACROSS pump terminals - current flows THROUGH multimeter direction of current flow voltage current

Guidelines / Housekeeping / Safety You should take one set of data with increasing heights (going up) and another set of data coming down. Try to take data for 8 to 10 different heights (you can record less than every six inches if your pump won’t pump 72 inches). Keep water away from all electrical equipment except the pump, and do your best to keep the pump motor dry. Don’t handle the wall adapter or other power supply with wet hands or wet feet (or when in contact with water). Wipe up any water that leaks onto the floor. Report any problems encountered to the help desk.