Oxymax W COS61
Installation
Hauser
13
3.4.3
Retractable assembly
The assembly is designed for installation on tanks and pipes. Suitable nozzles must be available for
this.
Install the assembly at places with constant flow. The minimum pipe diameter is DN 80 (3").
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Fig. 13:
Permissible and impermissible sensor installation positions with retractable assembly COA451
1
Ascending pipe, best position
2
Horizontal pipe, sensor top down, impermissible due to air cushion or foam bubble forming
3
Horizontal pipe, installation with permissible installation angle (acc. to sensor version)
4
Overhead installation, critical due to possible sediment buildup on fluorescence cap
5
Down pipe, impermissible
!
Note!
• Do not install the assembly at places, where air cushions or foam bubbles can be formed or where
suspended particles can settle on the sensor optics (
• Measuring errors can occur, if:
– the sensor is not immersed into the medium
– suspended particles are settled on the sensor membrane
– the sensor is installed overhead.
3.5
Post-installation check
• Sensor and cable undamaged?
• Fluorescence cap undamaged?
• Compliance with permissible sensor installation position?
• Is the sensor installed in an assembly and is not suspended from the cable?
• Avoid moisture by rain by fitting the protective cap to the immersion assembly?
5
3
4
1
2
3
Detail A,
(top view)
Detail A, rotated
(side view)
90°
