Compact swimming pool Measurement & Regulation unit M 5265 C

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The unit M 5265C is intended for measurement and control of processes in swimming pool water.

Basic parameters of measurement are: free of chlorine, chlorine dioxide, pH, redox and temperature

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KEY FEATURES

  • 3  measuring electrodes: platinum / platinum + reference electrode
  • Continuous measurements: free chlorine, pH, redox, chlorine dioxide, temperature
  • 2 analogue and 3 digital outputs for metering pumps and motor valve
  • Stable measurement – open flow measuring cell with constant flow
  • Continuous cleaning of the measuring electrodes by a stepper motor
  • Insight into the measuring cell parameters to quickly detect any effect of disturbing elements
  • Modular electronics for simple service
  • Alarm for measuring cell or regulation errors
  • CANbus communication to easily connect several units to the control unit
  • Clear graphical display for all measured parameters
  • Isolated current outputs

GENERAL

The unit M 5265C is intended for measurement and control of processes in swimming pool water.

Basic parameters of measurement are: free of chlorine, chlorine dioxide, pH, redox and temperature

The unit provides the possibility to combine different measurement and regulation modules, that can measure only one parameter (chlorine, pH, redox potential), or a combination of modules, that measure all above mentioned parameters.

Amperometric measurement method of chlorine with two electrodes and an additional third reference electrode provides constant and continuous measurement.

The unit consists of the following subassemblies:

· a mechanical filter sample

· an indicator of the flow of the sample

· self-cleaning chlorine measuring cell

· pH and redox electrodes

· a measurement & regulation module

· cover

User interfaces for parameterization and calibration are carried out via graphical LCD displays, for each measured parameter separately.

Control and regulation of disinfection processes are enabled by analogue and digital outputs and CANbus digital communication. Control modules support connection of actuators – dosing pump with analogue and digital inputs as well as solenoid and motorized valves – for two-point and continuous dosing.

Software design for control modules contain several protective mechanisms against overdosing.

Technical data (pH)

Measuring range (MR)
0 - 14pH
Measured value resolution
0,01pH
Deviation of indication, measured value
max 0,5% from MR

Technical data (redox)

Measuring range (M.R.)
-2000 +2000 mV
Measured value resolution
1 mV
Deviation of indication, measured value
max 0,5% from MR
Automatic temperature compensation range
0...+50ºC

Technical data (CI2)

Measuring range (M.R.)
0 - 1 mg/l
Measured value resolution
0,01 mg/l
pH range
6,5….8,5

Electrical data (pH)

Power
2 W Maximum
Current range
2 x 4...20 mA
Output Mode
- pH output
- Temperature
- Regulator output

Electrical data (Redox)

Supply voltage
24 VAC±20% or 24 VDC±20%
Power
2 W Maximum
Isolation voltage
500V ; to sensor, output signal, regulator connections
Modules
2
Current range
2 x 4...20 mA
Load
At 24 VDC 800E
Output range
adjustable to (M.R.)
Output Mode
Selectable:
- Redox output
- Regulator output
Regulator connector (each electronic):
- Regulator
3 point or PI regulator
- Outputs
3 x 24 VAC / 250 mA
- Inputs
3 x 24 VAC
- Mode
Selectable
- Motor Control
- Pump Control
GENERAL DATA:
Ambient temperature
-10...+50ºC
Relative humidity
10...95 % non-condensation
Control unit protection
IP 65
Dimensions
322 x 670 x 113
Weight
7,0 kg
Flow
Minimum 0,5 l/min
Water conductivity
> 50µS

Electrical data (CI2)

Power
5 W Maximum
Current range
2 x 4...20 mA
Output Mode:
- Free chlorine output
- Temperature
- Regulator output

Control options

Flow proportional
Free Residual chlorine
Compound loop

Documents

BUL00056.pdf
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