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Dosing and Regulation System for two parameters ETWIN S
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ETATRON D.S. S.P.A.
Rome, Italy
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The eTwin is a compact, easy-to-use equipment consisting of two dosing pumps and two parameters controllers designed to measure pH, Redox, and Chlorine plus the temperature. Mainly conceived for the pool industry, the dosing pumps are available either in peristaltic or solenoid versions. On request, the device could be equipped with a complete calibration kit, including sensors and mounting accessories.

pH/pH
• Microprocessor controller
• Flow rate up to 3 l/h
• Working pressure up to 1,5 bar
• pH range: 0÷14 pH
• Set point selection
• Direct or Inverse intervention
• Timer mode: daily/weekly
• Level probe input
• Flow sensor input
• Proximity switch
• Pt100 probe (0÷100°C)
• Output: 4÷20 mA
• Relay dedicated to alarm signals
pH/Rx
• Microprocessor controller
• Flow rate up to 3 l/h
• Working pressure up to 1,5 bar
• pH range: 0÷14 pH
• Redox range: -1000÷+1000 mV
• Set point selection
• Direct or Inverse intervention
• Timer mode: daily/weekly
• Level probe input
• Flow sensor input
• Proximity switch
• Pt100 probe (0÷100°C)
• Output: 4÷20 mA
• Relay dedicated to alarm signals
Cl/pH
• Microprocessor controller
• Flow rate up to 3 l/h
• Working pressure up to 1,5 bar
• pH range: 0÷14 pH
• Chlorine range: 0÷2, 0÷20, 0÷200 ppm
• Set point selection
• Direct or Inverse intervention
• Timer mode: daily/weekly
• Level probe input
• Flow sensor input
• Proximity switch
• Pt100 probe (0÷100°C)
• Output: 4÷20 mA
• Relay dedicated to alarm signals

  1. Overdosing alarm
  2. set-point with working mode ON-OFF, proportional, hysteresis regulation, the delay time for pump activation depending on the set-point value
  3. Power supply: 230V 50-60Hz*;
  4. Supplied with complete installation kit: Suction hose: PVC Cristal®; Discharge hose: Polyethylene
  5. Level control, the alarm output relay
  6. Three relays selectable from the user, set-point (measures + temperature), or timer
  7. Antacid plastic box, backlighted graphic display, wall mounting, IP65 protection degree, complete installation kit (injection valves, foot filters, suction/delivery tubes).

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