The Krohne OPTIFLEX 2200 is a 2-wire (4…20 mA) guided radar level transmitter based on the Time Domain Reflectometry (TDR) technology. Offering a large variety of probes, the device is designed for liquids and solids in midrange applications of the chemical industry as well as the oil and gas, energy, water and wastewater, mining or pulp and paper sectors. The OPTIFLEX 2200 is also a replacement for traditional level transmitters that require higher maintenance such as displacer and pressure level transmitters.