Pump controller for electromagnetic metering pumps

EA-50:

• Controller for 4 to 20 mA proportionate control.
• Converts analog input signal (4 to 20 mA DC) into a pulse output signal for EH pump control.
• Proportionately controls the number of pump strokes.

EC-50:

• Controller for count control.
• Starts the pump by an external contact signal or manually.
• Automatically stops the pump after operating for a preset number of shots.

EN-50:

• Controller for dividing control.
• Controls the pump proportionally according to an external pulse signal.
• Operates the pump one shot for every “n” pulse signals.

PH-70P/OR-70P:

• Controller for pH/ORP proportionate control.
• Low-cost design.
• Large size LCD with backlight LED.
• Capable of both sides proportional control or ON/OFF control.