Hach-Lange POLYMETRON 8398 - Manual (Page 15)

Inductive Probe 8398
12
Installation direction
The opening of the probe must face the conduit's flow direction, thus avoiding the
influence of flow rate and to perform the self-cleaning of this opening. For optimal
operation, the "POLYMETRON" marking should be positioned in the conduit's flow
direction, as shown in the following figure:
o : flow direction in the conduit