Hach PHOSPHAX sigma High Range User Manual page 11

Hose pinch valves
There are four hose pinch valves. Three hose pinch valves in the upper part of the
instrument (Q1, Q2 and Q3) connect the sample, reagent B, air and standard solution to
the sample pump.
The fourth hose pinch valve in the refrigerator (QA) pipes reagent A and air to the reagent
A pump.
Analysis part
1 Discharge pump
2 Sample/reagent/standard B pumps
3 Reagent A pump
4 Reagent C/D pumps
5 Hose pinch valve Q2
English
Figure 4 Analysis part
6 Hose pinch valve Q1
7 Hose pinch valve Q3
8 Hose pinch valve QA
9 Digestion cuvette
Installation
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