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7. Safety information
7.1 Obligations of the owner
The owner of the plant is responsible for
•
compliance with country-specific safety regulations
•
training of operating personnel
•
provision of prescribed protective gear
•
implementation of regular maintenance.
7.2 Avoidance of danger
Warning
Cleaning, maintenance and repairs must only be
carried out by authorised personnel!
Warning
Other applications than those described in section
6. Applications
are considered as non-approved and
are not permissible.
Derivates of chloro isocyanuric acid cannot be
measured or controlled.
Grundfos cannot be held liable for any damage
resulting from incorrect use.
8. Technical data
8.1 General data
The AQC-D13 is an unpressurised measuring cell with
hydromechanical cleaning and open outlet of sample water.
•
Measuring parameters:
– free chlorine, chlorine dioxide, ozone
– optional: pH value, redox potential, temperature
(for compensation of pH, Cl
•
Sample water:
– free of solids
– min. conductivity: 50 µS/cm
– temperature: 0-40 °C
– pH value (only measuring parameter Cl
– inlet pressure: max. 6 bar, min. 0.2 bar
– counterpressure: p
(open outflow).
amb
•
Permissible ambient temperature: 0 to 45 °C.
•
Permissible storage temperature:
– -20 to +65 °C
– Electrodes: -10 to +30 °C.
Observe the installation and operating instructions of
Caution
the electrodes!
•
Permissible humidity: max. 90 % relative humidity
(without condensation).
•
Sample water flow rate: approx. 15 l/h.
•
Materials of parts that come into contact with the media:
PMMA, PVC, EPDM.
•
Electrode materials: gold, platinum, glass, nickel, PVC.
•
Connections:
– inlet: for PVC hose 6/12 or PVC pipe 12 x 1.2
– outlet: for PVC hose 12/16.
, ClO
, O
).
2
2
3
): pH 4.5 - 8.2
2
Measuring parameters: chlorine, chlorine dioxide and ozone
•
Measuring ranges: Dependent on the measuring amplifier.
See section
8.3.1 Measuring ranges for Cl
ORP.
•
Sensitivity: < 10 ppb.
•
Accuracy: < - 5 %/+ 5 % of full-scale value.
•
Repeatability: < - 5 %/+ 5 %.
•
Response time: t
< 60 s.
90
8.2 Versions
•
Power supply:
– 230/240 V, 50/60 Hz (standard)
– 115/120 V, 50/60 Hz
– 24 VDC (not with DIP).
•
Equipment / options:
– gold electrode for free chlorine, chlorine dioxide, ozone
(standard)
– platinum electrode
– redox single-rod measuring chain (electrode)
– redox electrode (with DIP)
– pH single-rod measuring chain (electrode).
8.2.1 AquaCell AQC-D13
•
Cables:
– connecting cables for the electrodes, 3 m, with free cable
end
– cable for measuring electrode, 3 m, with free cable end.
•
Options:
– water sensor with cable, 3 m.
– Pt100 temperature sensor with cable, 3 m.
8.2.2 Preassembled systems
•
Cables:
– connecting cables for the electrodes, 1 m, preconnected
– cable for measuring electrode, 1 m, preconnected.
•
Options:
– water sensor with cable, 1 m.
– Pt100 temperature sensor with cable, 1 m.
Product numbers of the spare parts and optional accessories, see
section
14. Spare parts and
accessories.
, ClO
, O
, pH,
2
2
3
9
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