Technical Parameters of ABB AX400 Transmitter

The ABB AX400 Transmitter (Model AX460/100010/STD) is a high-performance industrial analyzer designed for precise measurement and control of pH, Redox (ORP), and conductivity in demanding applications. Below are its key technical specifications:

General Specifications

• Model: AX460/100010/STD
• Manufacturer: ABB Measurement & Analytics
• Type: Process transmitter for pH, Redox (ORP), and conductivity
• Configuration: Single- or dual-input capable (supports pH, ORP, or conductivity sensors)
• Display: High-visibility backlight LCD with 16-character diagnostic line and multi-language support
• Enclosure Rating: IP66/NEMA 4X (weatherproof and dust-tight for harsh environments)

Electrical Specifications

• Power Supply:
  • Voltage: 240VAC ±15% (50/60 Hz)
  • Power Consumption: ≤25 VA (typical)
  • Optional Power: 24VDC (reduces annual safety testing costs)
• Output Signals:
  • Analog Outputs: 2 × 4–20 mA (isolated, configurable for pH, ORP, or conductivity)
  • Relay Outputs: 3 × standard relays + 2 × optional relays (programmable for alarms or control)
  • Digital Communication: Modbus RTU/TCP, Profibus-DP, or HART (optional)

Measurement Specifications

• pH Measurement:
  • Range: 0–14 pH
  • Accuracy: ±0.01 pH
  • Resolution: 0.001 pH
  • Temperature Compensation: Automatic (Pt100/Pt1000 sensor input)
• Redox (ORP) Measurement:
  • Range: ±2000 mV
  • Accuracy: ±1 mV
  • Resolution: 0.1 mV
• Conductivity Measurement (if configured):
  • Range: 0–2000 mS/cm
  • Accuracy: ±0.5% FS
  • Temperature Compensation: Automatic (0–100°C)

Environmental Specifications

• Operating Temperature: -20°C to +60°C (storage: -40°C to +85°C)
• Humidity: 5–95% RH (non-condensing)
• Altitude: Up to 2000 m (derate above)
• Vibration Resistance: IEC 60068-2-6 (10–500 Hz, 2 g)

Process Connections & Mounting

• Sensor Inputs:
  • pH/ORP: 2 × BNC connectors (glass, antimony, or metal redox sensors)
  • Conductivity: 2 × M12 connectors (4-electrode or 2-electrode probes)
• Mounting: Panel, wall, or pipe mounting (IP66-rated housing)
• Cable Entry: 2 × M20 cable glands (for sensor and power cables)

Control & Alarm Functions

• PID Controller: Integrated P, PI, or PID control (adjustable parameters)
• Dosing Control: Dual-channel proportional control for chemical addition
• Alarm Logic: High/low setpoints, deadband, and hysteresis configurable
• Diagnostic Alarms:
  • Sensor breakage detection
  • Cable fault detection
  • Out-of-range measurement alerts

Maintenance & Cleaning

• Auto-Cleaning:
  • Pulse water wash or air jet cleaning (user-adjustable frequency/duration)
  • Optional 60L cleaning station with low-level alarm
• Calibration: Automatic 1-, 2-, or 3-point calibration with buffer recognition
• Data Logging: Stores 2660 sets of historical data (measured values, alarms, calibration events)

Approvals & Compliance

• Certifications: CE, cULus, ATEX (Zone 2), IECEx (optional)
• EMC Compliance: EN 61326-1 (industrial environments)
• Safety Standards: IEC 61010-1 (overvoltage category II, pollution degree 2)

Applications

• Water/Wastewater Treatment: pH/ORP control in aeration basins, sludge digestion, and disinfection
• Chemical Processing: Corrosion monitoring, acid/base neutralization
• Power Generation: Condensate monitoring, boiler feedwater control
• Food & Beverage: CIP (Clean-in-Place) validation, product quality control

10. Warranty & Support

• Warranty: 2-year manufacturer’s warranty (extendable with service contracts)
• Technical Support: 24/7 global assistance via ABB’s service network

The ABB AX460/100010/STD transmitter combines robust design, advanced diagnostics, and flexible communication to deliver reliable process control in harsh industrial environments. For detailed configuration guides or compatibility checks, refer to ABB’s official documentation or contact an authorized distributor.

© 2025 ABB Group. All rights reserved. Specifications subject to change without notice.