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AMI Codes-II
Product Description
2.
Application
Range
Disinfectant
Measurement
Signal
Outputs
A-96.250.571 / 050517
Product Description
The AMI Codes-II analyzer is a complete monitoring system for the
automatic, continuous measurement and dosing control of chlorine
and other disinfectants based on the DPD colorimetric method
AWWA 4500 Cl-G and on EN ISO 7393-2.
It can be used for measuring disinfectants in:
Potable water
Swimming pools
Cooling water
Effluent
Seawater
It is also applicable for water containing additives like corrosion in-
hibitors, cyanuric acids and antiscalants.
For the determination of free chlorine, chlorine dioxide, bromine
and iodine the reagents:
Oxycon on-line DPD
Oxycon on-line Buffer
are needed.
The measurement of monochloramine or ozone requires an addi-
tional reagent:
Oxycon on-line KI; which is added to Oxycon on-line Buffer
Disinfectant
Ozone
HOCl / free chlorine /
Monochloramine
Chlorine dioxide /
Iodine / Bromine
Two signal outputs programmable for measured values (freely
scaleable, linear or bilinear) or as continuous control output (control
parameters programmable).
Current loop:
Maximal burden:
Third signal output available as an option. The third signal output
can be operated as a current source or as a current sink (selectable
via switch).
Measuring range
0.000–1.000 ppm
0.00–1.00 ppm
1.00–3.00 ppm
3.00–5.00 ppm
0.00–2.00 ppm
2.00–6.00 ppm
0/4–20 mA
510
Accuracy
± 0.005 ppm
± 0.01 ppm
± 0.06 ppm
± 0.20 ppm
± 0.02 ppm
± 0.12 ppm
9
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Do you have a question about the AMI Codes-II and is the answer not in the manual?
Questions and answers
Using the AMI Codes-II, there is Chlorine in the system, yet the system reads 0.00. Reseted, still no feedback. what could be the problem.
If the Swann AMI Codes-II system reads 0.00 for chlorine despite chlorine being present, possible issues could include:
1. Reagent Issues – The required reagents (OXYCON ON-LINE DPD, buffer solutions, etc.) might be depleted, expired, or improperly mixed.
2. Clogged or Dirty Components – The sample inlet, inlet filter, or flow regulating valve might be clogged, preventing proper water flow.
3. Calibration or Sensor Issues – The system may need recalibration, or the sensor might be faulty or improperly installed.
4. Power or Electrical Issues – The instrument may not be receiving proper power, or there could be an electrical fault affecting measurement.
5. Interference from Additives – Certain water additives like corrosion inhibitors or cyanuric acid might interfere with chlorine detection.
Checking reagent levels, cleaning components, recalibrating, and verifying power and water flow can help identify and resolve the issue.
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