Hach 8398 Series User Manual page 5

Installation
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the document.
Sensor mounting
Personal injury hazard. Always consider the temperature and pressure rating of the mounting hardware that is
used to install the sensor. The hardware material usually limits the temperature and pressure rating of the system.
For optimum performance, the sensor (including the Pt100 temperature sensor) must be completely
submerged in the sample with the sensor opening facing the flow direction. Make sure there is at
least a 1 cm gap around the sensor to avoid any measurement interference:
1 Pt100 sensor
Figure 2 Mounting examples
1 Sanitary (CIP) flange mount
2 Union T-mount
W A R N I N G
W A R N I N G
2 Minimum gap of 1 cm
3 End of pipe immersion
4 Ball valve insertion
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