PIGNAT pH Control – BRPH1000



  • Study and adjust a pH control loop
  • Study and set the parameters of the pH sensor and controller
  • Use the test rig in batch mode for titration

Proposed experiments:

  • Study of control system:
    • Variation in static gain depending on operating point.
    • Open loop identification.
    • Closed loop identification.
    • Values of PID control actions.
    • Controller identification (study of control algorithm).
    • Reaction of system to a disturbance.

Technical Description:

  • Solenoid valve, adjustable flow by potentiometer.
  • Membrane dosing pump, frequency controllable by 4-20mA, and piston stroke manual setting, (digital display of the frequency setting).
  • Electric stirrer with adjustable stirring speed. SS 316L shaft and three-paddle helix.
  • Glass reactor, capacity 1l, rapid dismounting lid, draining valve. Adjustable overflow tube.
  • pH probe combined with gel delivered with a solutions set , pH4 and pH5 standard.
  • Polyethylene storage tank, capacity 10 L.
  • Polyethylene storage tank, capacity 10 L.
  • Polyethylene effluent storage tank, capacity 10L.
  • Electric pH transmitter with local display.
  • Configurable electronic PID controller and self adaptive Modbus link.


  • PID configurable electronic controller.
  • pH electronic transmitter de pH with local display, signal 4-20mA.

Dim : 80 x 60 x 80cm – 30 kg
Aluminum profile framework 45 x 45mm

For a complete product data sheet and a list of reference sites please call 1-877-967-2726.