Automated chlorine testing for mine site safety

A leading global mining company manages a water treatment plant at one of its Australian mine sites. The plant stores raw water, treats it – including chlorine disinfection – and reticulates it across the site for human consumption.

Maintaining safe chlorine levels is critical for health and safety compliance. Previously, the company relied on manual sampling: external lab staff collected samples, transported them off-site for analysis, and then delivered reports – creating delays, higher costs, and potential for human error.

They needed a faster, automated solution that would still deliver accurate, reliable chlorine level data in real time.

The company deployed the Captis Multi device integrated with a Low Power Residual Chlorine and pH Sensor. A custom flow cell enabled inline installation with existing plumbing, simplifying deployment.

To support remote, uninterrupted operation, the system included:

• Solar power and a charge controller
• A compact battery for off-grid uptime
• 15-minute sampling intervals
• Daily data transmissions to the device management platform
• Real-time alarms if chlorine levels exceeded defined thresholds

The result? A fully automated, on-site chlorine monitoring system that protects worker safety, saves time, reduces lab costs, and ensures compliance with drinking water standards- without the lag of external testing.