Dosing and Regulation System ETWIN PH-PH

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ETATRON D.S. S.P.A.

Rome, Italy

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Dosing and Regulation System for two parameters
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.

PP Standard Kit
All Etwins PDE are supplied with a standard kit made up of a PP injection valve, PP foot filter, PVC suction tube, and PE discharge tube.

• Backlighted graphic display, 5 keys keypad,
• 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
• Measures available: pH-pH; pH-Rx; Cl-Ph
• Measurement range:
➢ pH 0 ÷ 14
➢ Redox: - 1000 / + 1400 mV
➢ PPM: 0 – 2; 0 – 10, 0 – 20 e 0 - 200 ppm
➢ Temperature 0 – 100 °C (PT100)
• Hysteresis
• Activation delay when switched on
• 3 programming menus: set-point, calibration, settings.
• 3 relays completely selectable: on timer mode (weekly/daily) or as an additional set-point (including the temperature).
• 1 additional relay dedicated to alarm signals
• 4-20mA output fully programmable.
• Inputs: level probes; flow sensor; PT100 probe; proximity switch
• Over-dosing alarm
• Power supply: 230V 50-60Hz*;
• PVDF Pump head
• O-Ring: Viton®
• Valves: Ceramic
• Supplied with complete installation kit:
➢ Suction hose: PVC Cristal®
➢ Discharge hose: Poliethylene