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This pH Controller is an upgraded version of our PH-201 Controller. It allows you to monitor pH as well as controlling pH levels using just one unit. The large and informative display is capable of displaying the status of the current conditions in the aquarium and setting values. 

This controller can be used in aquaculture, beverage, fish hatcheries, water ponds, whirlpool, spa, food processing, photography, laboratory, paper industry, swimming pool, plating industry, quality control, water conditioning, schools and many other applications.  


  • Best for heavy duty or Industrial use 
  • Bigger and re-engineered body structure 
  • Fast response and easy to calibrate 
  • REPLACEABLE pH Electrode 
  • Durable and built to last long 
  • With big digital display and accurately measures & is easy to use 
  • Heavy-duty, Compact & Lightweight for mobility and extremely easy-to-use 
  • Accurate testing results guaranteed 
  • APPROVED BY STRICT QUALITY AND SAFETY STANDARDS which ensures a reliability, durability, long and trouble-free life 
  • Uses the Protection Dead Band feature
  • Gives you an option to mount it on the wall or hung on the solution's container while using or installing the unit 
  • Available in 110V or 220V


  • Measuring Range: 0.00~14.00pH
  • Resolution: 0.01PH
  • Accuracy: ±0.1%+2 digits
  • Input Resistance: 1012Ω
  • Set Range: 3.50~10.50pH
  • Voltage: available in 110V & 220V
  • Calibration: Double Points
  • Display 4 LED display reading
  • Power Supply: in Label
  • Environment: 
    • Operation Temp. : 0 to 50 °C (32 to 122 °F)
    • Ambient Humidity : 90 or less than 90 % R. H.
  • Power Requirement : AC110V ±10% 60Hz / AC220V ±10% 50Hz
  • Power Consumption: 2 watts
  • Relay Contact : 5A for AC 110V and 220V
  • Output Voltage : the same as power supply voltage
  • Dimensions: 160x 102x 40mm
  • Weight: 772g


Set Includes

  • 1 x Digital pH Controller
  • FREE pH4.003 + pH6.864 calibration (buffer) solutions
  • 1 x Detachable pH electrode
  • 1 x English Operation Manual
  • 1 x Mini-screw driver
  • 1 x Controller Holder for hanging the device
  • 1 x Power Cord 

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