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Discrepancies between actual and measured levels—due to temperature and fluid changes—may result in unnecessary maintenance. I need accurate PV measurements from my instruments. YOU CAN DO THAT. 
The DLC3020f fieldbus digital level controller provides next generation performance and information access to help users improve operations. In addition to displacement sensor technology for measuring liquid level, the DLC3020f uses the digital FOUNDATION™ fieldbus communication protocol to help users improve performance, while avoiding unexpected downtime. Intuitive graphical displays, real-time access to historical operating logs, and easily-configured process fluids add real value to level control systems. The capability to easily select and define process fluids allows on-the-fly fluid changes for batch or continuous applications without calibration, saving time and recalibration costs.