Overview
Alyza IQ PO4
14
ba76201d03
05/2020
1.3.2 Measuring unit
14 shows the open measuring unit (without front cover).
How it functions
The measuring unit is controlled and supplied with DC voltage by the control unit
ACM. Communication with the IQ S
ENSOR
N
ET
takes place via the
IQ S
ENSOR
N
ET
cable, as with all other sensors.
In the overflow vessel, sample that is fresh, filtrated, and nearly free of air bub-
bles is quasi continuously provided for the measurements. The filtration unit
(FM/PC - available as an accessory) in conjunction with the filtration pump (in-
strument variant) provides an optimally prepared sample.
A syringe pump in the measuring unit makes all the liquids move (sample, re-
figure 1-5 Open measuring unit (without front cover)
1
Tube fastening
2
Control unit ACS
3
Locking device of the MultiPort valve (
MPV
)
4
Receptacle for the MultiPort Valve (
MPV
) with tubes
5
Contact that detects whether the measuring unit is closed with the
front cover.
(If there is the risk of condensation of air humidity in an open
measuring unit, a warning is triggered.)
6
Status LED of the measuring unit
(The status of the status LED is visible through a light duct at the
outside of the front cover.)
7
Waste tube of the measuring unit
8
ChemBags, suspended from a supporting rod
9
Photometer unit
2
3
4
8
9
5
6
1
7
Before opening: Drain the system!
ES: Antes de abrir: vaciar el sistema!
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Содержание WTW Alyza IQ PO4
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