Manufacturer Burkert Part Number 8623-2
This PI (Proportional Integral) controller allows easy setup of a closed loop control for controlling flow or mixing ratios. It can be combined with a solenoid control valve (i.e. 6022, 6023, 6223 and 2832, 2834, 2836) and a flow sensor with frequency signal (i.e. 8020, 8030 or 8040).