Maintenance and cleaning
Alyza IQ PO4
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05/2020
5.7.3 Checking the temperature control
For correct measured values, it is required to control the temperature of some
areas of the Alyza IQ.
The Alyza IQ has 3 areas that are temperature-controlled differently:
Heating units, cooling units and ventilators are used to control the temperature
of the areas.
The correct temperature control is continuously and automatically monitored for
each area in the Alyza IQ.
If an area of the Alyza IQ is not within the specified range, a message appears
in the log book. If the deviation from the specified range is great, the Alyza IQ is
automatically stopped. The error is documented by an error message in the log
book.
You can check very easily and at any time the current status of the temperature
control in the Alyza menu / tab
Info
. All temperatures (outside temperature, tem-
perature inside the housing, temperature within the measuring unit) and the op-
erating condition of the ventilators, heating and cooling unit are documented.
Range
Temperature control
Housing inside
+5 ... +40 °C (+41 ... +104 °F)
Measuring unit
20 °C (68 °F)
Photometer unit
45 °C (113 °F)
Содержание WTW Alyza IQ PO4
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