With the launch of its state-of-the-art ST80 Series Thermal Mass Flow Meter featuring Adaptive Sensor Technology, the measurement bar has been reset even higher.

Fluid Components International's (FCI) AST thermal mass flow technology for the ST80 Flow Meter features an innovative hybrid sensor drive.

This patent-pending measuring technique combines, for the first time, both of the industry’s highly proven constant power (CP) and constant temperature (CT) thermal dispersion sensing technologies in the same instrument.

Complementing this new measurement drive technique are a choice of four different flow sensor element designs to further ensure best installed performance, including FCI’s new wet gas solution.

When operating in AST mode, the new ST80 Flow Meters measure in CT during start-up and through the lower flow ranges, and will then seamlessly shift into CP mode at mid-range and higher flow rates.

The result is a best of both technologies performance level where the advanced ST80 meters deliver extremely fast response with extended measuring ranges, at low power consumption to maximize sensor reliability and reduce instrument energy expenses.

The ST80 Flow Meters feature FCI’s rugged no-moving parts flow element design, which provides direct mass flow measurement with just a single process penetration. This approach prevents the performance degradation encountered with other flow technologies, which require the addition of expensive temperature and pressure sensors to compute an inferred mass flow.

With no moving parts to plug or foul and clean, the ST80 Flow Meters deliver extensive lifecycle cost savings over higher maintenance technologies.

The result is accurate and highly repeatable mass flow measurement at the lowest total installed cost.

While a single calibration is sufficient for many processes, the ST80 meters can optionally provide two unique calibration groups. For example, the meter can be calibrated for two different compositions of mixed gases or two completely different gases.

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