Radar level measurement in steam boilers

K-TEK, a leading manufacturer of level instrumentation for liquid detection, has announced the new MT2000 Wave Guide Model C9P81. The MT2000 uses guided wave radar to make measurements, which means no moving parts and, therefore, virtually no maintenance. A waveguide directs the microwave pulses, eliminating the beam divergence problems common to conventional non-contact radar transmitters. The new C9P81 Waveguide is designed specifically for saturated steam applications, such as those found in power generation plants and industrial heat processes. The C9P81 Waveguide features an alumina ceramic insulator that allows accurate and reliable measurements up to 2000 psi (138 bar) at 635 F. “Unlike traditional contact devices, such as displacers, the C9P81 Waveguide does not depend on fluid density to make measurements,” stated Robert Hotard, Product Manager for Radar and RF products at K-TEK Corp. “As a result, readings do not fluctuate with shifts in the specific gravity of the fluid and are not subject to variations in dielectric constants. This allows for significantly tighter control throughout the steam cycle, from boilers to feedwater heaters to de-aerators”. The MT2000 level transmitter features the industry’s largest selection of probe materials, including 316 stainless steel, 304 stainless steel, Hastelloy, Monel, and titanium. This means the instrument works even under the harshest conditions, including high temperatures, high pressures (saturated steam), or corrosive environments, such as hydrochloric acid. The standard housing for the MT2000 is powder-coated aluminium; an optional stainless steel housing handles corrosive environments.

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