The Importance Of Overfill-Safe Operation For Accurate Level Detection Using Guided Wave Radar
Although approvals like the German Federal Water Act (WHG) obtained from TUV, or the Flemish Regulation on Environment (VLAREM), certify Overfill-proof Protection, defined as the tested, reliable operation when the transmitter is used as overfill alarm, it is assumed in the analysis that the installation is designed in such a way that the vessel or side-mounted cage will not physically overfill. In other words, transmitters can obtain overfill-proof approval, without necessarily having the capability to measure level to the top of the probe. The only requirements are that the transmitters be installed properly and used within their defined measuring range.
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