Automatic pH and Nutrient Doser $387

Unit designed to monitor EC or ppm and pH continuously . Will also turn the pumps on if the readings exceed the set value. User can reverse the set points for High or Low control of the pH and EC values via the sketch.

Power : 12vdc wall adapter

EC range: 0-5000 microS/cm or 0-3200 ppm or 0-5 EC. With +/- 2% error.

pH : 0-14pH

Conductivity sensor : 2 electrode with temperature compensation. 4Ft cable

pH sensor . Double junction with 8f cable..

Set points : User programmable HIGH or LOW.

pH UP, pH DOWN, EC.

Calibration: User adjustable trim pots

Peristaltic pump:12vdc . 0-100ml per min. Tube ID: 2.5mm OD : 4.7mm

Enclosure : ABS wall mount.