Electronic level sensor
LW2720
3
10.1.1 Level too high / too low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1.2 Measured value is stuck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1.3 Measured value drops when level close to antenna . . . . . . . . . . . . . . . . . . . . . . . . . . 36
10.1.4 Measured value fluctuates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
10.1.5 Measured value is occasionally unstable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
10.1.6 Lagging of measured value during rapid level changes . . . . . . . . . . . . . . . . . . . . . . . 38
10.1.7 Measured value correct at 0% (4 mA) but incorrect at 100% (20 mA) . . . . . . . . . . . . 39
10.1.8 Incorrect measured value when level is above 50% . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10.1.9 Measured value drops to zero close to tank bottom . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10.1.10 Level measurement is lost in an empty tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
10.1.11 Alert mode when level close to tank bottom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
GB
