ENDRESS + Hauser 's Levelflex M guided microwave measuring unit is a level measuring device suitable for use in potentially explosive dusty applications such as grain silos.
Levelflex M provides reliable level monitoring, even in the largest bulk solids tanks. It is based on the time of flight principle and proven level monitoring technology. It is a low-maintenance solution that delivers continuous, accurate, and reliable measurement of levels of bulk solids within containers.
It measures the level of the material in a container by first sending high-frequency microwave pulses down a probe. It then analyses the time it takes the signal to be reflected off the change of dielectric between the surface of the stored material and the air above.
The system is unaffected by surrounding conditions within the storage container, including angles of repose, changes in dielectric, moisture, density, particle size, or dust. It is also the only measuring system that provides reliable measurement during noisy and dusty filling.
This makes well suited to measuring the level of both granular and powdery bulk solids. Since the technology has no moving parts, maintenance costs are minimal.
Levelflex M suits a wide range of level measurement applications, including chemical processing, mining, grain, and other bulk solids. It is compatible with all tank materials and geometry, and is available with a rod probe, a coaxial probe, or a high tensile strength, small-diameter rope probe for silos and tanks up to 35m tall. All probes are interchangeable, user-replaceable, and suitable for use in temperatures up to 400ºC.
Direct configuration and system integration are available through Profibus PA or Foundation Fieldbus systems. All models are equipped with the HART communication protocol, ensuring compatibility with any existing analogue topologies.
Endress + Hauser's PC-based time of flight software platform is included free. It enables simple and safe commissioning, maintenance, diagnosis, and documentation.
Also included is a high-resolution LCD panel, which displays the radar signal as an envelope curve and helps indicate potential trouble spots inside the vessel. It also doubles as a programming control panel with four-line, 80-character display for on-site set-up and resetting.