Feedwater, condenser cooling, service water, plant efficiency
Condenser cooling water headers are enormous, and a power station's tolerance for taking one out of service is close to zero. Above roughly 12″, an inline meter is a capital project; a clamp-on installation is an afternoon. Above 36″ it is not a close call.
Heat rate, condenser performance, cooling tower effectiveness — all of it is a thermal calculation, and all of it needs flow. A plant that cannot measure its cooling water flow cannot tell you why its efficiency dropped.
The BTU / heat meter configuration matters here: flow plus supply and return temperature gives you thermal energy without touching the water.
Clean, hot, and often on lines nobody will let you break. Transit-time territory — but pay attention to fluid temperature, because it decides the couplant grade, and the wrong grade will quietly bake out and take your meter with it over the following months.
Couplant degradation is the number one failure mode of a permanent clamp-on installation on a hot line, and it is entirely predictable and entirely preventable.
Put gain or signal quality on the historian, next to flow. A slow upward creep in gain over months is the transmitter turning up the volume to compensate for a weakening signal — which is your early warning, months before the reading visibly fails. Catch it there and the fix is a re-coupling. Miss it and the meter goes from “fine” to “dropped out” with no warning.
Large plants have a lot of installed flow measurement of uncertain vintage. A portable clamp-on meter is an independent, non-invasive second opinion on any of it, without taking anything out of service.
Send us the pipe and the fluid. An application engineer will confirm the right instrument — or tell you clamp-on is the wrong answer, which happens and which we would rather say first.
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