ATI Q45P/ORP AutoClean pH/ORP Monitor

  • Durable, accurate and versatile monitoring

    Stay compliant with current Environment Agency standards
  • Auto cleaning technology

    Ensures reliable performance in adverse environments
  • Internal diagnostics

    Used to troubleshoot any issues
  • ATI Q45P/ORP AutoClean pH/ORP Monitor

The ATI Q45P/ORP is a pH/ORP monitor with an automatic cleaning feature. The Q45P/ORP is designed for use in waste water and industrial effluent monitoring applications. The auto-cleaning feature utilises compressed air to remove contaminated solids from the sensor surface. This feature extends sensor cleaning intervals and means that you can depend on the Q45P/ORP to deliver reliable readings even in the most adverse environments.

This product is also available without the auto-clean feature here.


  • Display Range pH: 0-14
  • Display Range ORP: -100mV to +1000mV
  • Power: 85-256VAC, 24VDC, 16-35VCD loop powered  
  • Analogue Outputs: 2 x 4-20mA

Technical Specifications

  • Display Range pH: 0-14
  • Display Range ORP: -100mV to +1000mV
  • Power: 85-256VAC, 24VDC, 16-35VCD loop powered 
  • Analogue Outputs: 2 x 4-20mA
  • Control Relays: 2 x SPDT relays
  • Digital Outputs: Profibus DP, Modbus
  • Enclosure: IP65
  • Operating Conditions (Monitor): -20oC to 60oC, 0-95% RH non condensing
  • Operating Conditions (Sensor): -5oC to 95oC

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