Online pH Indicator/Controller – Arka

Our pH Meter is a compact, high-performance instrument built for online and continuous pH monitoring in a wide range of industrial applications. It features a user-friendly interface, rugged construction, and advanced signal processing to deliver fast and reliable pH readings in real-time.

Designed to be installed in control panels or instrument enclosures, this pH meter integrates seamlessly with SCADA, DCS, or PLC systems via analog and digital outputs, allowing centralized control and monitoring. It’s ideal for industries such as water treatment, chemical processing, food and beverage, pharmaceuticals, and power generation.

Key Features

• Accurate & Real-Time Monitoring : provides continuous and precise pH measurements with high resolution and stability for critical process control.
• Panel Mount Design : Compact DIN-standard panel mount housing allows easy integration into industrial control panels or instrument cabinets.
• Wide pH Measurement Range : Supports full pH range (typically 0 to 14 pH) with high resolution and automatic temperature compensation (ATC).
• Temperature Compensation (ATC) : Built-in temperature compensation ensures accurate pH readings even under varying process temperatures.
• Dual Output (Analog & Digital) : Features 4–20 mA output and optional Modbus/RS485 digital communication for easy integration with PLC/SCADA systems.
• Configurable Alarms & Relays : Programmable high/low alarms with relay outputs for process control or safety interlocks.
• Backlit OLED Display : Bright, clear digital display shows real-time pH values, temperature, and device status.
• Sensor Diagnostics : Alerts for probe condition, calibration status, and signal stability to ensure reliable operation and reduce downtime.
• User-Friendly Interface : Intuitive menu system for easy calibration, configuration, and troubleshooting – no specialist training required.

Applications

• The Online Panel Mount pH Meter is ideal for continuous pH monitoring in:
• Water & Wastewater Treatment: pH control in influent, effluent, neutralization tanks, and chemical dosing systems.
• Chemical Processing: Real-time monitoring in reactors, mixing tanks, and process lines.
• Food & Beverage Industry: Ensuring pH compliance in fermentation, brewing, and cleaning-in-place (CIP) systems.
• Pharmaceutical Production: Process pH control in production lines and purified water systems.
• Pulp & Paper: Monitoring pH in pulp bleaching and paper finishing processes.
• Power Generation: Boiler feed water and cooling tower pH monitoring.
• Mining & Metallurgy: pH control in leaching, flotation, and tailing ponds.