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Water quality control

Measuring system with a sensor for conductivity & concentration measurement

Electromagnetic conductivity controller MC-70W

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MC-70W  Controller
ControllerSensor
GFRPP sensor:
Sensor holder is arbitrarily selectable.

MCS-GP05Y
Material: GFRPP
The IWAKI electromagnetic conductivity controller MC-70W measures solution conductivity & concentration via a sensor and operates a chemical dosing pump such as the EHN & EK series in conductivity & concentration proportional control through driving pulse output. This wall-mounted controller is now available at an affordable price.

• Highly cost effective electromagnetic conductivity controller.

• The controller can be configured to read in 4 conductivity measurement units (mS/m,S/m, and % concentration) to best suit the application.

• Conductivity measurement is extremely reliable due to the non-contacting, toroidalsensor technology used. This eliminates the contamination and calibration irregularities that can occur with direct contacting sensors.

• The wall-mounted system eases installation work and also reduces setup cost.

• Immersion and In-Line mounted sensor is selectable.




Controller specification
Measuring range0.0mS/m-199.9S/m
Preset measuring range: 0.0-199.9mS/m, 0-1999mS/m,
0.00-19.99S/m, 0.0-199.9S/m (Conductivity can be shown in %)
Power sourceAC90 - 240V 50/60Hz 25VA
InputSensor inputElectromagnetic conductivity sensor
Temp. input0-99.9˚C (Pt1000Ω)
Pump stop inputNo-voltage contact signal (Max applied voltage: DC5V 5mA) Pump stops when signal is inputted.
OutputPump outputNo-voltage contact: 1N/Ox1 AC240V 0.1A
ON/OFF operation control (Upper/Lower motion): 0.0mS/m-199.9S/m
Pulse proportional control: 0.0mS/m-199.9S/m between 0-360spm
Alarm outputNo-voltage contacts: 1N/O×1 AC250V 10A Resistive load
Upper/Lower limit alarm: 0.0mS/m-199.9S/m Select 2 lines between AL1-4
Hysteresis width: 0.1mS/m-199.9S/m
Delay time:0-99 seconds
Transmission output
(Conductivity)
DC0-20mA Load resistance 500Ω or below.
Isolated type (can be set between 0.0mS/m-199.9S/m arbitrarily)
"Continuous out put" or "hold" excepting control mode.
Transmission output
(Temperature)
DC0-20mA Load resistance 500Ω or below.
Isolated type (can be set between 0.0˚C-99.9˚C arbitrarily)
"Continuous out put" or "hold" excepting control mode.
FunctionMAN calibrationCalibration in the air and 1 point calibration
Measured value shift rangeTemperature: ±50˚C Concentration: ±50.00%
Concentration curve selectionPreset data: NaCl(0-20%), HCI(0-15%), NaOH(0-10%), H2SO4(0-25%)
Optional straight and curve line data can be stored 1 each.
Error messageOut of measuring range (conductivity, concentration, or temperature)/ Wrong setting/ Error in calibration in the air.


Option
Immersion mounted sensor holder

In-Line mounted flow cell
Used for Installation of In-Line type sensor.
MCH-GPTH
Material: GFRPP
MCH-GPIV
Material: PVC
Connection bore: JIS 10K 25A flange
MCH-GPIS
Material: SUS304
Connection bore: JIS 10K 25A flange
• 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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