GWR transmitter for level measurement

According to Magnetrol, it is revolutionising the next generation of guided wave radar (GWR) solutions with its ECLIPSE Model 706 guided wave radar transmitter for level measurement.

The new instrument offers a strong, accurate signal, powerful diagnostics and an extensive probe offering designed to meet the demands of temperature, pressure, viscosity, liquid interface, extended ranges and other variables. From hydrocarbons to water-based media, the ECLIPSE Model 706 accurately measures top level and interface liquids, slurries, and bulk solids with a dielectric range from 1.2 to 100.

Incorporating GWR technology, its measurement performance is not process-dependent; therefore, varying specific gravity or dielectric constant have little or no effect on measurement accuracy. It also uses many special-purpose probes, including those with high-temperature (to +454°C), high-pressure (to 6250 psig/430 bar), ultra-low dielectric (=1.2) and bulk solids probes with 3000 lb. pull-down capability. Flexible probes with an extended measuring range up to 30m can be utilised. Innovation in the transmitter GWR circuitry allows the Model 706 to achieve both a higher transmit pulse amplitude and improved receiver sensitivity, resulting in superior signal-tonoise ratio (SNR), explains the company.

Another feature of the device is its overfill capability. An Overfill Safe probe is one defined by the fact that it has predictable and uniform characteristic impedance all the way down the entire length of the waveguide (probe). These probes allow the ECLIPSE Model 706 to measure accurate levels to within specification up to the top of the probe, without any unmeasurable zones. Overfill safe GWR coaxial and caged probes can be installed in various configurations, even when the risk of flooding exists.

With the user interface, the LCD diagnostics convey critical real-time waveform and trend data with ease of use; and the transmitter can be configured to automatically capture troubleshooting waveforms based on diagnostic events or on time.


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