Centrifugal pump EW-77919-xx series

waterelectricindustrial

Precision digital drives offer a maintenance-free high-accuracy motor and graphical interface that makes setup and operation easier than ever Graphical LCD shows four operating modes continuous run, timed dispense, copy dispense, volume dispense. View pump performance continually. Menu-driven interface lets you select one of seven languages for programming and operation Dispense by mL—volume in mL of each dispense, 0.001 to 9999 mL; Copy—1 to 9,999 dispense cycles; or Time—time interval of on/off cycles (1 sec to 99 hr, 59 min, 59 sec per cycle) Brushless, maintenance-free motor offers ±0.1% speed control accuracy with a 6000 to 1 turndown ratio Remote control via DB25 female connector on drive: --Speed control input 0 to 20 mA, 4 to 20 mA, or 0 to 10 V; --Pumping direction requires open collector or contact closure; --Start/stop/purge requires open collector or contact closure; --Tachometer output 0 to 20 mA, 4 to 20 mA, or 0 to 10 V, open collector