Dust, Rain, Doppler effect from moving ore, Long range up to >50 meters (>160 feet)
Level Technology Choice:
The choice of a non-contact level technology is required. Both Acoustic and Radar will work in this application, under normal operation. Positioning of the transducer is important as Coal and Ore flow cannot impede the measuring beam. Acoustic transmitters are better suited when high speed level monitoring is required, such as profile monitoring of the stockpile.
Low frequency 10 kHz Acoustic transmitters are also an advantage for self-cleaning capabilities.