“Low-Flow” general features ? specific in order to satisfy the requirements of small volumes to dose ? the reduction of the unit volume allows to conserve unchanged the strokes number ? the dosage quality remains guaranteed to available in these versions: ? AKL (analogic interface) Constant flow rate manually adjustable, 2 frequency range (/5), Power-ON led indicator and level control input. ? TPG (digital interface) Constant flow rate manually adjustable, with proportional flow rate according to an external analog (4-20 mA) or digital signal (water meter); Timer function; ppm proportional dosing; Statistics; Password; Input On-Off (remote control).