Dosing and Regulation System

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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.

Model ETWIN CL-PH

• Over-dosing alarm
• Power supply: 230V 50-60Hz*;
• PP or PVDF Pump head
• O-Ring: Viton®
• Valves: Ceramic
• Supplied with complete installation kit: Suction hose: PVC Cristal®; Discharge hose: Polyethylene
• level control, the alarm output relay
• three relays selectable from the user, set-point (measures + temperature), or timer
• antacid plastic box, backlighted graphic display, wall mounting, IP65 protection degree, complete installation kit (injection valves, foot filters, suction/delivery tubes).
• Backlighted graphic display, 5 keys keypad
• 3 relays completely selectable: on timer mode (weekly/daily) or as an additional set-point (including the temperature)
• 3 programming menus: set-point, calibration, settings
• Measurement range: PPM: 0 – 2; 0 – 10, 0 – 20, and 0 - 200 ppm; pH 0 ÷ 14; Temperature 0 – 100 °C (PT100)
• Inputs: level probes; flow sensor; PT100 probe; proximity switch
• Manual dosing (ON-OFF) 0 ÷ 120 pulses/minute
• Proportional dosing by self-regulation of the stroke frequency
• Flow rate up to 5 l/h and pressure up to 6 bar
• Hysteresis
• Activation delay when switched on
• 1 additional relay dedicated to alarm signals
• 4-20mA output fully programmable