Model E-Chek -On-Line Sand bed Expansion Check Monitor

The E-Chek Sand Bed Expansion Check, combining media suspended solids and sand depth expansion measurements, is a low-cost microprocessor-based monitoring unit. The E-Chek profiler unit is intended for continuous operation to monitor Suspended Solids (mg/l or % solids) of the media and Sand Bed Expansion (mm or %) during the backwash process.