Hach POLYMETRON 8810 ORP Manuel D'utilisation De Base page 7

Figure 2 Measurement chamber components
1 Stirrer motor
2 Measurement chamber cover
3 Electrode
Installation
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the document.
Mains power should only be connected once installation has been completed and checked.
Mechanical installation
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the document.
Mounting the analyzer
The analyzer should be mounted as near as possible to the sample inlet, and should be located in an easily
accessible area to facilitate periodic checking of the sample flow rate, and for regular maintenance. In an
environmental enclosure that supplies protection from precipitation and direct sunlight, good ventilation and
temperature control if installed outdoors. Wherever the analyzer is to be mounted, it is important to note that it
must be placed in an upright position with the electronic unit (No. 1 in
recommended to use a spirit level to ensure that the analyzer is correctly positioned and not leaning to one side
or forward. This is essential to guarantee the accuracy of the analyzer.
Panel mounting
This model is designed as a 19 inch (48.26 cm) rack system. Delivery includes six M6 screws for
mounting the panel onto a rack. All internal connections are factory prepared. Canisters for reagents
can be fitted onto an optional storage tray.
Wall mounting
All internal connections are factory prepared. Cables and tubing are threaded through the cable
glands located on the bottom right side of the cabinet. Canisters for reagents can be fitted onto an
optional storage tray.
4 Electrode cable
5 Siphon
6 Drain valve
D A N G E R
C A U T I O N
N O T I C E
7 Drain tubing
8 Overflow pipe
9 Threaded fittings
Figure 1 on page 6) at the top. It is
English 7