Now, this is actually less than the original quote, but still an exorbitant amount for a tablet that cost me $229. However, Iâd like to draw your attention to the above image, sent to me of my tablet by the ASUS repair center.
1 You'll feel a slack in the line. 2  At the point where you feel the slack, mark the line at the top edge of the casing (you can tie a small knot in the line, use tape or a marker). 3  Pull the line back up from the casing. 4  Measure the length of the line from the bobber to the marked line. 5  This is your static water level.
If you will refer to FIG 1, you should get a clear picture of what is meant by static head. Note that we always measure from the center line of the pump to the highest liquid level. To calculate head accurately we must calculate the total head on both the suction and discharge sides of the pump.