AMI Trides
Product Description
A-96.250.111 / 211019 9
2. Product Description
2.1. Description of the System
Application
Range
The AMI Trides is used to measure and control in potable water,
sanitary water and swimming pools the following disinfectants:
Hypochlorous acid
Free chlorine
Ozone
Chlorine-dioxide
Bromine
Iodine
There are two main applications:
1 Control of set-point
The instrument is used to measure and maintain a certain disinfec-
tant value in the system. The disinfectant is added with a dosing
unit.
2 Dechlorination
The disinfectant is removed to protect a device, which is sensitive
to disinfectants, e.g. a reverse osmosis. The instrument detects the
remaining disinfectant level after dechlorination and superintends
that the disinfectant concentration does not exceed the max. limit
value. Otherwise a warning is issued.
Signal
Outputs
Two signal outputs programmable for measured values (freely scal-
able, linear, bilinear, log) or as continuous control output (control
parameters programmable).
Current loop: 0/4–20 mA
Maximal burden: 510 Ω
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).
Relays Two potential-free contacts programmable as limit switches for
measuring values, controllers or timer for system cleaning with au-
tomatic hold function.
Maximum load: 1 A/250 VAC
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