Acids, caustics, solvents, corrosives, batch monitoring
Sulfuric acid. Sodium hydroxide. Sodium hypochlorite. Ferric chloride. Solvents. Put a wetted sensor in that stream and you have started a clock. The sensor corrodes, the liner degrades, the electrodes foul.
And when a wetted meter fails on an acid line, it does not politely stop reading. It becomes a leak path for a fluid you very much do not want on the floor. That is a safety event, not a maintenance ticket.
A clamp-on transmitter has nothing in the stream. No gasket to fail, no flange to weep, no electrode to foul. Chemically, the instrument does not know what is in the pipe.
The Ultraflux Minisonic Fixed is specified for exactly this: water, acids, alkalis, chemicals. 0.5% of reading, 0.1% repeatability, IP67, isolated 4–20 mA and Modbus TCP.
The METRI IC-UPF does batching, manual totalizing, and — genuinely unusual at its price — product identification. It can distinguish fluids by their acoustic properties: water and oil have different speeds of sound, and a meter that measures speed of sound can tell you which one is going past. METRI calls out oil dewatering as an application.
Here the logic reverses, and people miss it. The problem is not that the fluid attacks the sensor. It is that the sensor contaminates the product. A wetted element in an ultrapure loop is a contamination source and a validation burden.
Clamp-on transducers on the outside of the pipe are neither. The Ultraflux Minisonic II P handles water and all homogeneous liquids, including DI and ultrapure.
An orifice plate costs you head permanently. Every hour it is installed, a pump works harder to push fluid past it, and you pay for that in electricity. On a large line over the life of an installation, that is not a rounding error. A clamp-on meter obstructs nothing.
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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