Select from the files and links below:

» Instruction Manual (PDF)   » Spec Sheet (PDF)   » Customer Service/Technical Support Download the free Adobe Acrobat Reader to view PDF files.

TOPAX® DE 4 Controller

• Free chlorine measuring and controller device.
• pH value, temperature and ORP controller device.
• pH compensation.

  Measuring unit

• Measurements:Free chlorine content, pH value, temperature, ORP
• Measuring range:
         - 0.00 - 4.00 mg/l H2O2 - Chlorine measurement
         - 0.00 -14.00 pH - pH measurement
         - -22 - 284°F - Temperature measurement
         - -1500 … +1500 mV - ORP
• Display: Measurement values with relative units. Status messages, sensors. Calibration, controller and alarm.
• Temperature compensation: Either manual or automatic, Pt 100 measuring principle.

  Controller unit

• Hysteresis: 0.00 - 4.00 mg/l or 0.00 - 14.00 pH
• Proportional gain KP: 0.00 - 4.00 mg/l or 0.00 - 14.00 pH
• Integral gain KI: 0 - 2000 sec
• Derivative gain KD: 0 - 500 sec
• Minimum impulse: 0.0 - 9.9 sec
• Pulse + pause time: 01 - 99 sec
• Impulse frequency: 100 - 7200 impulses/h
• Servo-motor runtime: 20 - 300 sec
• Switch-on delay: 0 - 2000 sec
• Alarm function: 2 minimum and maximum threshold values and delay times
• Control: 0 – 2000