Technical Specifications

• Measurement Capabilities:
  • pH Range: -2 to 16 pH units with ±0.02 pH accuracy.
  • Redox (ORP) Range: -1200 to +1200 mV with ±2 mV accuracy.
  • Temperature Compensation: Automatic or manual Nernstian compensation (-10°C to +200°C) 17.
• Input Configuration:
  • Supports single or dual-channel measurements for pH/ORP, with optional temperature sensor integration.
  • Compatible with glass, enamel, antimony pH electrodes, and metal ORP sensors 17.
• Communication:
  • Modbus RTU/TCP for seamless integration with PLCs, HMIs, and SCADA systems.
  • Optional Profibus DP connectivity for advanced process control 17.
• Power Supply:
  • Operates on 100–240 V AC (50/60 Hz) or 12–30 V DC with ≤10 W power consumption 17.
• Physical Design:
  • Wall-mount version: IP65 protection (dimensions: 192 x 230 x 94 mm; weight: 1 kg).
  • Panel-mount version: IP65 front protection (dimensions: 96 x 96 x 162 mm; weight: 0.6 kg) 17.
• Environmental Parameters:
  • Temperature Range: -10°C to +55°C (standard); -20°C to +50°C for extended operation 217.
  • Humidity: 0–95% non-condensing, ensuring stability in high-moisture environments.

Functional Features

1. Precision Measurement:
   • High-resolution LCD display with backlight and auto-off function for energy efficiency.
   • Automatic calibration with stability detection, supporting multiple standards (ABB, DIN, NIST) 17.
2. Control and Automation:
   • Built-in PID controller for closed-loop process regulation (e.g., chemical dosing).
   • 3 relay outputs and 2 analog outputs (4–20 mA) for alarm signaling and process control 317.
3. Data Management:
   • Electronic logbook records calibration history, alarms, and process events for traceability.
   • Real-time clock ensures timestamped data logging 17.
4. Safety and Reliability:
   • Password protection secures configuration settings.
   • Self-diagnostic functions monitor sensor health and signal integrity.
5. Expandability:
   • Optional add-on boards increase relay outputs to 5 and analog outputs to 4 for complex systems 3.

Application Scenarios

1. Water and Wastewater Treatment:
   • Monitors pH/ORP in filtration, disinfection, and sludge processing to ensure regulatory compliance.
   • Controls chemical dosing systems for optimal coagulation and flocculation 317.
2. Chemical and Pharmaceutical Industries:
   • Maintains pH stability in reactor processes and clean-in-place (CIP) systems.
   • Monitors ORP in electroplating and oxidation reactions for quality control 317.
3. Power Generation:
   • Optimizes pH in boiler feedwater and cooling systems to prevent corrosion.
   • Monitors ORP in condensate polishing for steam cycle integrity 317.
4. Food and Beverage:
   • Ensures pH consistency in pasteurization, fermentation, and cleaning protocols.
   • Detects ORP changes in sanitization processes to maintain microbial safety 17.

Integration and Compatibility

• System Architecture:
  • Part of ABB’s Industrial IT ecosystem, enabling integration with ABB’s System 800xA and third-party control systems.
  • Supports Modbus, Profibus, and HART protocols for interoperability 17.
• Software Tools:
  • Configured via ABB’s Control Builder M for parameter setup and firmware updates.
  • Enables remote diagnostics through ABB Ability™ Condition Monitoring 2.
• Installation Flexibility:
  • Wall-mount, pipe-mount, or panel-mount options with IP65 protection for harsh environments.
  • Cable glands or knockout hubs accommodate diverse wiring requirements 17.

Environmental and Safety Considerations

• Sustainability:
  • RoHS-compliant materials reduce environmental impact.
  • Energy-efficient design aligns with EU ErP Directive standards.
• Rugged Reliability:
  • Resistant to vibration, shock, and electromagnetic interference (EMI) per IEC 61000-6-2.
  • Conformal coating option enhances durability in corrosive environments 17.
• Safety Compliance:
  • Electrical isolation (2 kVrms) protects against voltage spikes.
  • CE certification ensures adherence to European safety and EMC standards 15.

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