grundfos Water Treatment
Measuring cells, AquaCells & Electrodes
Measurement and control accessories
Measuring cells, AquaCells, electrodes, and armatures
Measuring cells, AquaCells and electrodes
Electrodes and sensors
Grundfos measuring cells and electrodes for dosing and disinfection applications are made especially for tasks in water
treatment, such as drinking water, boiler feed water, pure
water, swimming pool water, food industries (e.g. dairies
and breweries) industrial process water and waste water (for
effluent disinfection).
In addition to the AquaCell, Grundfos offers a wide range of
sensors, single-rod measuring chains and electrodes for specific measuring needs. So you can always find a sensor to match
your application.
AquaCells for chlorine, chlorine dioxide or ozone
AquaCells are modular potentiostatic measuring cells that
have been especially developed for disinfection processes.
• AQC-D11: pressure-proof measuring cell with electrical
cleaning motor.
• AQC-D12: pressure-proof measuring cell with hydromechanical cleaning
• AQC-D13: pressureless measuring cell with hydromechanical cleaning
AquaCells feature integrated water filters, regulating devices
and temperature measurement. Pressure-proof AquaCells
are suitable for applications where no loss of sample water is
acceptable.
Monitoring parameters
• pH
• Redox
• Temperature
• Hydrogen peroxide
• Peracetic acid
Electrode holders and accessories
Grundfos offers a wide range of equipment suitable for your
processes: single armatures or complete electrode holders
and flow-through fittings with electrode cables. Other accessories include buffer solutions, starting reagents, etc.
Electrode holders and accessories for:
• Hydrogen peroxide
Monitoring parameters
• Chlorine
• Peracetic acid
• Chlorine dioxide
• Redox
• Ozone
• pH
• Redox potential (ORP)
• Temperature
• pH
Technical data: AquaCells for Cl2, ClO2, or O3
AquaCell body
Flow-type holder made of plexiglass
Measuring parameters
• Free chlorine (Cl2), chlorine dioxide (ClO2) and ozone (O3)
• pH value, Redox potential (ORP)
• Temperature (compensation of temperature variations during pH, Cl2, ClO2, and O3 measurements)
Sample water
•
•
•
•
Perm. ambient temperature
0 to 45 °C
Temperature: 0 to 40 °C
Admiss. pressure: min. 0.2 bar, max. 6 bar
Free of solids
Pressureless AquaCell: free outlet required
• pH value: • Minimum conductivity: • AquaCell: -20 to +65 °C
Max. 90 % (not condensing)
• Electrodes: -5 to +30 °C
Water flow
Min. 30 up to approx. 60 l/h
Parts in contact with the liquid
PMMA, PVC, nickel, stainless steel (DIN 1.4571), gold, platinum, PTFE, EPDM, glass
Material of electrodes
Gold or platinum (electrode Cl2, ClO2, O3), glass, nickel, PVC
Connections, inlet/outlet
PVC tube 6/12 mm or PVC pipe 10/12 mm
Mains voltage of cleaning motor
230/240 V, 50/60 Hz or 115/120, 50/60 Hz, 24 VDC
Weight
Approx. 1.5 kg (approx. 2 kg including cleaning motor)
95732780 0113
Perm. storage temperature
Perm. relative humidity
pH 4.5 to 8.2
50 µS/cm
AQC-D11
AQC-D12
AQC-D13
Measuring range
Cl2, ClO2, O3
Cl2, ClO2, O3: 0.03 to 50 mg/l
Cl2, ClO2, O3: 0.05 to 50 mg/l
Cl2, ClO2, O3: 0.05 to 50 mg/l
Measuring range
pH, Redox,
pH:
Redox:
pH:
Redox:
pH:
Redox :
Measuring
sensitivity
< 20 ppb
< 20 ppb
< 10 ppb
Measuring accuracy of upper
limit of measuring range
< ±5 %
< ±5 %
< ±5 %
Repeatability
< ±3 %
< ±5 %
< ±5 %
Response time, t90
60 s
< 60 s
< 60 s
Electrode cleaning
Pressure-proof cell
with cleaning motor
Pressure-proof cell
with hydro-mechanical cleaning
(with integrated water sensor)
Pressureless cell with
hydro-mechanical cleaning
0.00 to 14.00
-1500 to +1500 mV
0.00 to 14.00
-1500 to +1500 mV
0.00 to 14.00
-1500 to +1500 mV
Measuring data from other sensors
Description
Diaphragm
Parameter
Measuring range
Single-rod measuring chain
Ceramic diaphragm
PTFE ring diaphragm
Perforated-diaphragm
Three diaphragms
pH
pH
pH
pH
pH 1 - 12 (max. 14 briefly)
pH 1 - 12 (max. 14 briefly)
pH 1 - 12 (max. 14 briefly)
pH 1 - 12 (max. 14 briefly)
Ceramic diaphragm
PTFE diaphragm
Redox (ORP)
Redox (ORP)
± 2000 mV
± 2000 mV
Diaphragm covered
Diaphragm covered
Peracetic acid (PAA)
Hydrogen peroxide (H2O2)
0 to 2000 mg/l
0 to 2000 mg/l
Measuring cells
Grundfos Holding A/S
Poul Due Jensens Vej 7
DK-8850 Bjerringbro
Tel: +45 87 50 14 00
www.grundfos.com
The name Grundfos, the Grundfos logo, and be think innovate are registered trademarks owned by Grundfos Holding A/S or Grundfos A/S, Denmark. All rights reserved worldwide.
Measuring data