Clack (R7035-50K) 50K OHM Resilites DI LightClack Corporation Clack R7035 50K 50K OHM Resilites DI Light Precision electronic monitoring for deionization systems, providing real time visual indication of resin bed exhaustion with 50,000 ohm resistance threshold. 110V Operation 1 2" MIP Connection 50K OHM Threshold WHY IT WORKS Electronic Conductivity Monitoring for DI Systems 50K OHM Sensitivity Calibrated to detect when resin bed exhaustion reaches 50,000 ohm resistance, triggering visual