Analogue chemical dosing pump with constant flow rate manually adjustable, proportional flow rate according to an external analogue (4÷20 mA) or digital pulse signal (e.g. from water meter).
- Control dial (percentage and “n” value in multiplication mode)
- 6 position adjustable switch:
- 3 in division mode (1, 4, 10 = n)
- 1 in multiplication mode (n=1)
- 1 for proportional 4÷20 mA signal – 1 for constant functionality
- “Pacing” function adjustable by dip switch