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Setting Up and Calibrating MonoScan 31 level measurements you should configure

MonoScan User Manual - 15188 Configuring 4mA Current Output

Pr04 and Pr05 for level values. For example, if we measure a tank with tank height configured for 5 meters, the 4mA values will represent zero tank level and 20mA values will represent full tank level. Therefore, the value entered in Pr04 function enables you to enter values to be used as the 4mA mark for remote monitoring. You can define the 4mA values for Level, Distance or Flow measurements. The measurement values types should be defined in Pr.04 (described on page 31). These definitions will be applicable as well for the 20mA values defined in Pr.05. Distance and level measurements can be defined for both Solid and Liquid MonoScan models. For MonoScan Flow models, distance, level and flow measurements can be defined. To set 4mA and 20mA for Pr04 will be 0.000m and the value entered in Pr05 will be 5.000m. When setting 4mA and 20mA for distance measurements, 4mA values will represent the minimal distance between the surface of the target and the sensor and 20mA values will represent the maximal distance between the sensor and the surface of the target. Therefore, 4mA represents the full part of the tank and 20mA represents the empty part of the tank.