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Water quality control

Multifunction pump controller for LK-F series metering pumps

Pump controller MFC
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Cooling tower conductivity controller TC-300

 The MFC controller is designed specifically for LK-F series metering pumps & offers excellent controllability. Automatic control of pump stroke rate between 0 and 120 spm is possible. The MFC controller automatically monitors the actual stroke feed back signal to enable accurate stroke rate control. The large LCD display and touch keys offer user-friendly operation. A key lock function is also provided for control security.
The combination of LK-F series pump with MFC pump controller offers low cost with a wide range of automatic control operation for chemical dosing applications.

• Capable of analogue input (4~20mA) and pulse input (Dividing/Multiply) operation.
• Operating functions of the pump can be monitored via external output signal.
• Easy key touch operation and a large LCD display give good control legibility.
• Display preference of flow rate (L/min) or stroke rate (SPM) is user-selectable.
• Combination of stroke length adjustment with stroke rate enables flow volume control over a wide range of 1:480.
• Various additional functions such as key lock, fast priming and control of external level sensors assist in management of chemical dosing requirements.

Application example
• Industrial wastewater treatment
• Municipal drinking water treatment
• Chemical dosing in chemical manufacture, paper mill and food manufacturing industries


Controller common specification
Operation function Manual (Manual operation)
EXT (External signal operation)
Control function Manual setting Stroke rate
• MFC-L10W-2: 1 - 120 spm   • MFC-L10W-1: 1 - 60 spm
EXT settting 1. Analog input operation
4 - 20mA, 0 - 20mA, 20 - 4mA, 20 - 0mA, Optional 2 points setting
2. Digital input operation
Multiply: 1 : n   N=1 - 999 , Dividing: n : 1   n=999 - 1
Input Control current input Signal input range: 4 - 20mA (0 - 20mA)
Pulse input Open collector input (DC12V 10mA or below) Low Active: 100Hz or below
2-step level sensor Open collector input (DC12V 10mA or below) Low Active:
Pre STOP (LCD display/AL output) STOP (Pump stop, LCD display/AL output)
Note: Not usable for high active type sensor.
Diaphragm rupture detector Open collector input (DC12V 10mA or below) Low Active
Flow counter Open collector input (DC12V 10mA or below) Low Active
Output Power for sensor 12V 20mA
Transmission output 4 - 20mA Load resistance 500 ohms or below
Alarm output Mechanical contact (AC250V 5A)  AL1, AL2
Set items: STOP/Pre STOP/Multiply/Flow checker/Diaphragm rupture detector
Power source: AC200 - 240V 50/60Hz • Ambient temperature: 0 - 50˚C • Mass: 1.5 kg (controller)		 • Magnetic drive pumps
• Metering pumps
& dosing pumps • Pneumatic drive pumps
• Air pumps
• Gear pumps
• Turbine pumps
• Screw pumps
• Water quality control

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