Automatic Sensor Cleaning (ASR®)

This analyzer was installed in a drinking water application sourced from ground water using free chlorine chemistry. The ground water source contained high amounts of iron and manganese, which fouled the probe. The operators in charge of the equipment found themselves frequently manually cleaning the probe.

After using Cloud Connect® to view and analyze the data, Kuntze Trial Managers instructed the customer to increase the Automatic Sensor Cleaning (ASR®) frequency to one cleaning per day.

For the case without ASR®, the analyzer signal dropped as the probe fouled, while the DPD measurements remained around 1.0 ppm. On Day 4, the operator removed the probe and performed a manual clean. For the case with an ASR® schedule of one cleaning per day, the analyzer signal dropped slightly over the course of the day, but remained within compliance.