Paddle switch level measurement Point level detection in bulk solids Point level switch Soliswitch FTE20 Rotary paddle switchSimple mechanical mechanism, extremely robust and cost-effective point level switch for bulk solids Point level switch Soliswitch FTE30 rotary paddle switchSimple mechanical mechanism, extremely robust and cost-effective point level switch for bulk solids Point level switch Soliswitch FTE31 Rotary paddle switchSimple mechanical mechanism, extremely robust and cost-effective point level switch for bulk solids