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Ph Controller Technology

pH control is critical to biological process stability, chemical precipitation efficiency, and regulatory compliance. Our pH control systems combine industrial-grade pH electrodes with programmable logic controllers, chemical dosing pumps, and mixing tanks to maintain set-points within ±0.1 pH unit.

Dual-redundancy electrode configurations with automatic buffer calibration reduce maintenance and prevent control failures. The control algorithm incorporates feed-forward compensation for known disturbances and adaptive tuning for seasonal load variations, ensuring stable operation across the full operating envelope.

Specifications & Operating Parameters

pH Range

0 – 14

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ORP Range

-1,500 to +1,500 mV

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Accuracy

±0.01 pH, ±1 mV ORP

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Temperature

-10 to +80°C (sensor)

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Output

2 x 4-20 mA, 4 x relay

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Communication

RS485 Modbus, optional Ethernet

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Sensor Types

Glass pH, antimony, ISFET

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Enclosure

IP65 wall-mount, IP54 panel-mount

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Where This Equipment Is Used

Proven across a wide range of industrial water and wastewater treatment processes.

pH neutralisation

Balancing acidic or alkaline wastewater to meet discharge limits.

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Coagulation Control

Automated monitoring and adjustment of coagulant dosing rates.

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Disinfection

Inactivating bacteria, viruses, and pathogens in treated water.

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Effluent Monitoring

Continuous measurement of flow, pH, and pollutant concentrations.

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Process Control

Automated monitoring of pH, flow, level, and water quality parameters.

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Cooling Towers

Managing blowdown water quality and controlling scaling and biofouling.

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Related Processes

This equipment is commonly integrated into the following treatment processes.

Chemical Dosing Systems

Automated pH control with chemical dosing.

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Physico-Chemical Treatment

pH adjustment for precipitation.

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Containerised Systems

Integrated pH control in package plants.

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Cooling Water Treatment

Blowdown pH and conductivity control.

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Related Equipment

Explore complementary equipment within our product range.

Chemical Dosing Pump

Precision acid/alkali dosing.

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Flow Meter

Flow-proportional dosing control.

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SCADA Integration

Central monitoring and control.

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Lime Dosing System

Automated lime slurry dosing for pH raise.

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Industries We Serve

Our expertise spans multiple industries with sector-specific water treatment solutions.