Online pH Controller (Model No: HVO-OPH-11)

Online pH Controller (Model No: HVO-OPH-11)


  • Rs. 41,311.00

Online pH Controller



  • Range: -1.00~1s.00pH
  • Resolution: 0.01pH
  • Accuracy: ±0.01pH
  • Calibration Points: 1 to 3 points
  • pH Buffer Options: USA (4.01/7.00/10.0l) or NIST (4.01/6.86/9.18)


  • Range: ±1000mV
  • Resolution: 1mV
  • Accuracy: ±1mV


  • Range: 0~100°C
  • Resolution: 0.1°C
  • Accuracy: ±0.1°C


  • Signal Output: 4~20mA.
  • Low / High Alarm: 0.00~14.00pH (selectable)
  • Communication Interface: RS485
  • Connection Terminals: Detachable screw terminals
  • Temperature Compensation: 0~100°C, Automatic
  • Environmental Conditions: Ambient temperature <50°C, relative humidity <70%
  • Power Requirements: DC24V

Salient Features

  • 1 to 3 points calibration with auto-buffer recognition
  • Selectable pH buffer set, including the USA or NIST options.
  • Automatic temperature compensation ensures accurate readings over the entire range
  • Automatic electrode diagnosis helps the user decide whether to replace the sensor
  • Setup menu allows setting the number of calibration points, alarm limits, hysteresis value, 4 to 20mA output, etc.
  • Reset function automatically resumes all settings back to the factory defaults

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