pH measurement
Monitor pH in a representative sample flow. Select a suitable sensor, installation arrangement and controller input for your water conditions.
Measure / Understand / Control
Pool Water Quality Monitoring in the UAE
Turn water quality readings into a controlled dosing response. A practical monitoring approach for hotel pools, resorts, water parks and commercial facilities.
pH monitoringORP monitoringFree chlorineController-led dosing
Instruments in the systemFrom the A80 display
From the A80 display
to the monitoring panel.
APURE A80 is a multi-parameter controller option. The display, connected sensors and sample-flow arrangement are selected as one monitoring scope.
Controller and cabinet options
The APURE range includes A80 multi-parameter controllers and KS-200 digital monitoring cabinets. A80 brings multiple measurements into one interface; the KS-200 cabinet combines a touchscreen with application-selected digital sensors. Confirm the sensor set, outputs and communication options for the proposed configuration.
Your application comes first
Know what your pool needs. Then act on it.
Manual spot checks alone do not show every change between measurements. Online monitoring helps operators see changes and coordinate dosing, while routine testing and maintenance remain essential.
- Changing pH during operation
- Disinfectant demand that varies with pool use
- Manual dosing decisions without continuous readings
- Separate instruments and pumps that need coordinated control
A coordinated equipment scope
Build the right configuration.
Components are selected to work together. Final scope depends on your application and confirmed technical requirements.
ORP measurement
ORP indicates oxidation-reduction conditions. It is not a direct free chlorine reading and should not be treated as a universal substitute for chlorine measurement.
Free chlorine measurement
Where direct residual measurement is required, select a compatible chlorine instrument and define sample conditioning and maintenance requirements.
Automatic control
Match controller outputs to dosing pumps. Define setpoints, delays, limits and interlocks with the project team before operation.
Alarms & operator checks
Include a response plan for abnormal readings and loss of sample flow. Validate readings against an appropriate independent test method.
Optional remote monitoring
Confirm available signals, communication interfaces and network access before selecting remote visibility or building management integration.
Selection & project support
Monitoring that fits the complete dosing system.
Instruments need suitable flow conditions, calibration access and a clear relationship with the dosing equipment. We support equipment selection and project coordination; site-specific controls and commissioning requirements must be agreed with your project partners.
Useful details to send us
- Pool type and approximate volume
- Existing instruments and controller model
- Circulation and sample line arrangement
- Required measurements and control signals
- Remote monitoring or BMS requirements
From sensor to controller, pump and BMS
A representative sample passes the pH, ORP, free chlorine and temperature sensors. The controller evaluates valid readings and local permissives before commanding compatible metering pumps. A PLC can coordinate circulation, tank levels and alarms; a BMS can receive operating values and fault information.
Remote visibility is separate from the local dosing loop. Agree the safe response to loss of sample flow, invalid measurements, empty chemical tanks and communication failure. Internet or BMS availability should not be the only protection against uncontrolled dosing.
Documented interface options
The supplied APURE catalogue lists 4–20 mA and RS485 Modbus RTU interfaces for the A80 controller range, and RS485 Modbus RTU for the KS-200 monitoring cabinet. Confirm the ordered configuration, channel allocation, register map and pump input before specifying an interface.
An analogue signal requires matching scaling and fault handling at both ends. Modbus integration requires matching addresses, communications settings and a documented register list. These options do not imply that every sensor or controller supports every protocol.
Choose a measurement for the decision it supports
pH measurement supports a separate correction loop and provides essential context for chlorine control. ORP measures oxidation-reduction potential in millivolts. Free chlorine measurement reports disinfectant residual using the selected instrument’s method. Temperature supports interpretation and instrument compensation where provided.
ORP is not a direct chlorine concentration measurement. A control strategy must account for the water chemistry, sample conditions and the facility’s operating requirements. See the ORP versus free chlorine selection guide before choosing between these approaches.
Make measurements maintainable
Provide access to the sample panel, isolation and drains, cleaning and calibration points. Select sample flow and pressure within the sensor specifications. Compare online readings with an appropriate independent test, investigate drift, and record service actions.
Identify the response time from the pool to the sampling point. Review alarms and trend data during commissioning rather than compensating for poor sampling with increasingly aggressive pump settings.
Connect monitoring to a complete dosing system ↗Pool engineering resources
From operating requirements to equipment selection.
How to Select a Commercial Pool Dosing System ↗
A practical pool dosing selection checklist: circulation, chlorine demand, sensors, pumps, interlocks, BMS interfaces and the information needed for a quote.
ORP vs Free Chlorine Monitoring for Commercial Pools ↗
Understand what ORP and free chlorine measure, why readings differ, and how to choose and verify monitoring for a commercial swimming pool.
Hotel Pool Dosing Systems UAE ↗
Plan hotel and resort pool dosing around peak bather load, separate pools and spas, BMS signals, operator checks and practical retrofit requirements.
Water Park Dosing Systems UAE ↗
Coordinate dosing across water park pools and attraction loops: peak loads, continuous measurements, central alarms, chemical supply and selection inputs.
Review the complete pool dosing solution, monitoring equipment and Dubai pool-plan requirements before sending your project details.
Practical questions
Before you specify a system.
Is ORP the same as free chlorine?
No. ORP measures oxidation-reduction potential; free chlorine instruments measure residual chlorine. Water chemistry and measurement conditions affect readings. The appropriate control approach depends on the application.
Can monitoring be added to an existing pool?
Potentially. Existing circulation, sampling, instruments, dosing pumps and control interfaces need review before confirming compatibility.
Does automatic monitoring replace manual testing?
No. Operators still need routine verification, sensor care, calibration and the operating checks required for their facility.
Dubai / Serving the GCC
Let’s discuss your water system.
Equipment supply, system selection and project coordination for UAE, Saudi Arabia and GCC customers.