PH-803 DIGITAL PH ORP (2 in 1) CONTROLLER + ELECTRODES + CO2 & O3 Relay 110V/220V

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PH-803 DIGITAL PH ORP (2 in 1) CONTROLLER + ELECTRODES + CO2 & O3 Relay 110V/220V

Regular Price $84.90
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This 2-in-1 pH & ORP controller and monitor simultaneously measures and displays both pH value and redox value (ORP). It comes with 2 BNC electrodes (pH and redox) and 2 output power sockets. Both electrodes are detachable, they can be replaced easily at any time. As for the relay output power sockets, you can plug in your own 110V/ 220V device to it, e.g. air outlet stone, O3 ozoniser, oxygen pump, CO2-regulator, electromagnetic valve and other ORP & pH control devices. Simply set the desired Hi/ Low pH/redox values in the controller. It will turn on your device if the currently measured pH or Redox value is lower than your set value, and it will turn off your device if the measured value is higher than your set value. 

Applications & Usage:

Fish hatchery, wine production, swimming pool (bath), laboratories, water conditioning, schools & colleges, floristics, for analysis of fluids (ph-value), ponds, various industrial application, Pisciculture, Koi, Kois, Boilere, Pond, Pool, Spa, swimming pools, pool, analysis of liquids, orchids breed, breeder, hemp, grow, etc.The suitable way for you to keep an eye on the different water parameters in your tank! A MUST to have a perfect way to automate 7 regulate the control devices in your aquarium to ELIMINATES FATALITY and MAINTAIN a HEALTHY WATER SYSTEM!


  • Instantly display pH value and redox value (ORP) all at the same time on its LCD screen
  • Equipped with 2 probes (pH and redox), and 2 power sockets.
  • Simultaneously control other pH & ORP related devices to regulate the pH and redox values in liquids
  • Accurately, easily and systematically MONITORS and CONTROLS pH and ORP values as well as the other pH and ORP related control devices all in one single unit
  • Features fast response and easy to calibrate REPLACEABLE pH & ORP Electrodes, no need to buy and replace the whole unit
  • APPROVED BY STRICT QUALITY AND SAFETY STANDARDS ensures a reliability, stability, long and trouble-free life and can be transported easily
  • Uses the Protection Dead Band feature
  • Gives you an option to mount it on the wall or hang on the solution's container while using or installing the unit
  • Available in 110V and 220V


  • Display: double 4 LED, DUAL display reading
  • Conformity: CE and RoHS
  • Measuring range
    • PH: 0.00 ~ 14.00pH
    • ORP: -1999 ~ 1999mV
  • Accuracy
    • PH: ±0.1%+0.02PH
    • ORP: ±5mV
  • Resolution
    • PH: 0.01pH
    • ORP: 1mV
  • Set Range
    • PH: 3.50 ~ 10.50pH
    • ORP: -500 ~ 500mV
  • Relay Contact: 5A for AC 110V or 220V
  • Environment
    • Operation Temperature :  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
  • Voltage:   110V or 220V 
  • Dimensions:  160 x 102 x 40mm
  • Weight:  872g

Set Includes

  • 1 x Dual Aquarium Controller for pH & ORP
  • 1 x 4.003 + 1 x 6.864 + 1 x 9.182 calibration (buffer) solution
  • 1 x Detachable 300cm pH electrode
  • 1 x Detachable 300cm ORP electrode
  • 2 x Rubber cable holder with suction cap
  • 1 x Metal wall hanger
  • 1 x Mini-screwdriver
  • 1 x English Operation Manual

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