We have had this tool for several years. It has worked well, improving both leak detection accuracy and efficiency.
This is really two tools: First is the leak rate gauge. It answers the first question we have; Is it leaking now? If so how much. Some evaporative systems are not leaking at the time we test them even though they have a stored code. This saves much time since we are not chasing ghosts. If it is leaking, the gauge gives an in
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