| 摘要 |
A portable or handheld testing apparatus for testing the integrity of membranes in a water treatment unit includes a pressurized gas supply element for pressurizing one side of membranes of a water treatment unit; a pressure sensor in communication with the gas on said one side of the membranes for sensing the pressure thereof; a controller in communication with the pressure sensor for comparing signals from the pressure sensor to pre-selected acceptance criteria; and an output device in communication with the controller for signaling results of the comparison.
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