8 A-96.250.111 / 211019
AMI Trides
Safety Instructions
1.3. Restriction for use
Sample
requirements
Addition or presence of disinfectants containing stabilizers like cy-
anuric acid or 5,5-Dimethylhydantoin or organic chlorine com-
pounds perturb the measurement. A controlled dosing system
depending on chlorine surplus cannot operate with these products.
Cleaner and corrosion preventives (phosphates) may perturb the
measurement.
Do not use copper tubes in the water treatment area. Copper per-
turbs the sensor system.
No sand (or other polishing material) or oil are allowed in the sam-
ple.
Dechlorination After Dechlorination the disinfectant value is always (near) zero: To
prevent biological growth, we strongly recommend to flush the flow
cell and sensor occasionally with water of higher disinfectant con-
centration, e.g. by switching to a sample line before dechlorination.
To do a sensible correction, a certain amount of chlorine is re-
quired, which may not be available during normal operation.
Mixture of
several
disinfectants
The Trides always measures the total of all added disinfectants.
Separation measurements are not possible.
Reagents Calibration Solution pH 4
Calibration Solution pH 7
Calibration Solution pH 9
Download
MSDS
The current Material Safety Data Sheets (MSDS) for the above list-
ed Reagents are available for downloading at www.swan.ch.
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