Test is looking professional so far and promising. One concern for me though is that after all that careful flow calibration, they switched the water flow from bucket to sink - thereby changing the system under test. For example, by restricting water flow using a hidden control valve, they might cause the system to run much hotter even though the pump is doing the same work and could therefore report a much greater flow than is actually the case. Obviously, the wires need to be cut at the end of the test to check for sub-wires (or coax) that could deceive the clamp on meters. There is a labyrinth of redundant wires that should be disconnected if possible. Not happy about the interruption of the video stream, hope the observers check for tampering during this time.
Charles
