Table of contents
Specifications on page 3 Maintenance on page 16
General information on page 4 Troubleshooting on page 20
Installation on page 6 Replacement parts on page 22
Operation on page 10
Specifications
Specifications are subject to change without notice.
Specification Details
Measurement range 0 to 20 ppm
1
Lower limit of detection 30 ppb (0.030 ppm)
Resolution 0.001 ppm (1 ppb)
pH operating range 4 to 9 pH units
Accuracy
(chlorine concentrations
within ±2 ppm or 20%
(whichever is smaller) of the
calibrated point)
Free chlorine (0 to 10 ppm):
• ± 3% of the reference test
2
(DPD) at constant
pH less than 7.2 (±0.2 pH unit)
• ± 10% of the reference test
2
(DPD) at stable
pH less than 8.5 (±0.5 pH unit from the pH at
chlorine calibration)
Total chlorine (0 to 10 ppm):
• ± 10% of the reference test
2
(DPD) at stable
pH less than 8.5 (±0.5 pH unit from the pH at
chlorine calibration)
• ± 20% of the reference test
2
(DPD) at pH
greater than 8.5
Specification Details
Repeatability 30 ppb or 3%, whichever is greater
Response time Free chlorine: 140 seconds for 90% change (T
90
)
at a stable temperature and pH
Total chlorine: 100 seconds for 90% change (T
90
)
at a stable temperature and pH
Sampling time Continuous
Interferences Free chlorine: Monochloramine, chlorine dioxide,
ozone and chalk deposits
Total chlorine: Chlorine dioxide, ozone and chalk
deposits
Pressure limit 0.5 bar, no pressure impulses and/or vibrations
Flow rate 30 to 50 L/hour (7.9 to 13.2 gal/hour)
40 L/hour (10.5 gal/hour) – optimal
Power requirements 12 VDC, 30 mA maximum (supplied by controller)
Operating temperature 5 to 45 °C (41 to 113 °F)
Storage temperature Sensor: 0 to 50 °C (32 to 122 °F) dry without
electrolyte
Electrolyte: 15 to 25 °C (59 to 77 °F)
Dimensions
(length/diameter)
195 mm (7.68 in.)/25 mm (0.98 in.)
Cable length/type 1 m
Cable connection 5 pin, M12 connector
Measurement method Reagentless, electrochemical, amperometric,
three-electrode system
Calibration methods 1-point or 2-point (zero and slope) calibration
Temperature compensation Internal temperature sensor
1
The chlorine sensors are not applicable for applications with consistently low (< 0.1 ppm) or zero chlorine concentrations.
2
The test must be conducted at the analyzer sampling point.
English 3
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